Notice of Expiration of Patents
Due to Failure to Pay Maintenance Fee
35 U.S.C. 41 and 37 CFR 1.362(g) provide that if the required main-
tenance fee and any applicable surcharge are not paid in a patent requiring
such payment, the patent will expire at the end of the 4th, 8th or 12th
anniversary of the grant of the patent depending on the first maintenance
fee which was not paid.
According to the records of the Office, the patents listed below have
expired due to failure to pay the required maintenance fee and any ap-
plicable surcharge.
PATENTS WHICH EXPIRED ON March 31, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Application Issue
Number Number Date
4,653,132 06/815,597 03/31/87
4,653,133 06/895,776 03/31/87
4,653,139 06/699,795 03/31/87
4,653,140 06/781,697 03/31/87
4,653,143 06/835,189 03/31/87
4,653,144 06/844,573 03/31/87
4,653,147 06/720,674 03/31/87
4,653,160 06/549,662 03/31/87
4,653,164 06/580,038 03/31/87
4,653,166 06/688,602 03/31/87
4,653,173 06/708,192 03/31/87
4,653,178 06/760,891 03/31/87
4,653,179 06/761,019 03/31/87
4,653,180 06/703,599 03/31/87
4,653,181 06/821,539 03/31/87
4,653,186 06/756,328 03/31/87
4,653,189 06/745,218 03/31/87
4,653,190 06/478,835 03/31/87
4,653,197 06/884,171 03/31/87
4,653,202 06/826,257 03/31/87
4,653,204 06/793,035 03/31/87
4,653,206 06/800,713 03/31/87
4,653,208 06/861,526 03/31/87
4,653,209 06/664,593 03/31/87
4,653,217 06/731,371 03/31/87
4,653,233 06/726,527 03/31/87
4,653,234 06/643,373 03/31/87
4,653,235 06/800,001 03/31/87
4,653,245 06/689,027 03/31/87
4,653,246 06/692,042 03/31/87
4,653,255 06/754,026 03/31/87
4,653,263 06/820,797 03/31/87
4,653,277 06/873,883 03/31/87
4,653,283 06/811,506 03/31/87
4,653,284 06/625,925 03/31/87
4,653,296 06/857,017 03/31/87
4,653,310 06/597,921 03/31/87
4,653,316 06/839,604 03/31/87
4,653,317 06/752,930 03/31/87
4,653,320 06/769,981 03/31/87
4,653,328 06/726,748 03/31/87
4,653,335 06/712,569 03/31/87
4,653,336 06/851,586 03/31/87
4,653,337 06/825,616 03/31/87
4,653,342 06/742,622 03/31/87
4,653,344 06/694,597 03/31/87
4,653,361 06/747,224 03/31/87
4,653,370 06/802,456 03/31/87
4,653,379 06/627,785 03/31/87
4,653,380 06/621,006 03/31/87
4,653,384 06/815,051 03/31/87
4,653,387 06/789,769 03/31/87
4,653,389 06/767,747 03/31/87
4,653,393 06/867,181 03/31/87
4,653,398 06/756,815 03/31/87
4,653,413 06/851,341 03/31/87
4,653,415 06/896,878 03/31/87
4,653,418 06/750,984 03/31/87
4,653,421 06/822,015 03/31/87
4,653,423 06/776,495 03/31/87
4,653,424 06/797,996 03/31/87
4,653,431 06/764,408 03/31/87
4,653,435 06/795,556 03/31/87
4,653,436 06/819,362 03/31/87
4,653,442 06/787,769 03/31/87
4,653,457 06/842,554 03/31/87
4,653,458 06/810,185 03/31/87
4,653,466 06/456,173 03/31/87
4,653,469 06/763,468 03/31/87
4,653,470 06/811,228 03/31/87
4,653,471 06/801,399 03/31/87
4,653,474 06/752,506 03/31/87
4,653,480 06/766,536 03/31/87
4,653,484 06/800,801 03/31/87
4,653,491 06/743,748 03/31/87
4,653,493 06/699,924 03/31/87
4,653,503 06/554,835 03/31/87
4,653,504 06/716,939 03/31/87
4,653,505 06/737,472 03/31/87
4,653,509 06/751,393 03/31/87
4,653,514 06/615,052 03/31/87
4,653,521 06/882,728 03/31/87
4,653,522 06/882,778 03/31/87
4,653,528 06/891,353 03/31/87
4,653,530 06/868,637 03/31/87
4,653,531 06/892,368 03/31/87
4,653,532 06/799,330 03/31/87
4,653,533 06/801,813 03/31/87
4,653,538 06/822,744 03/31/87
4,653,548 06/758,573 03/31/87
4,653,559 06/713,979 03/31/87
4,653,560 06/814,137 03/31/87
4,653,561 06/765,524 03/31/87
4,653,562 06/885,394 03/31/87
4,653,565 06/758,822 03/31/87
4,653,568 06/476,384 03/31/87
4,653,569 06/827,288 03/31/87
4,653,576 06/729,385 03/31/87
4,653,587 06/830,731 03/31/87
4,653,589 06/745,052 03/31/87
4,653,600 06/828,182 03/31/87
4,653,604 06/742,745 03/31/87
4,653,610 06/789,539 03/31/87
4,653,613 06/803,169 03/31/87
4,653,620 06/739,404 03/31/87
4,653,621 06/731,019 03/31/87
4,653,622 06/686,354 03/31/87
4,653,629 06/832,813 03/31/87
4,653,639 06/832,269 03/31/87
4,653,642 06/776,687 03/31/87
4,653,647 06/882,433 03/31/87
4,653,654 06/887,965 03/31/87
4,653,655 06/812,336 03/31/87
4,653,664 06/622,734 03/31/87
4,653,671 06/732,075 03/31/87
4,653,674 06/272,003 03/31/87
4,653,698 06/899,765 03/31/87
4,653,701 06/832,494 03/31/87
4,653,718 06/683,394 03/31/87
4,653,721 06/838,530 03/31/87
4,653,724 06/776,002 03/31/87
4,653,726 06/836,485 03/31/87
4,653,746 06/679,298 03/31/87
4,653,748 06/651,653 03/31/87
4,653,762 06/806,899 03/31/87
4,653,767 06/805,625 03/31/87
4,653,780 06/538,098 03/31/87
4,653,790 06/829,014 03/31/87
4,653,791 06/779,220 03/31/87
4,653,796 06/800,786 03/31/87
4,653,798 06/812,003 03/31/87
4,653,804 06/739,409 03/31/87
4,653,807 06/733,745 03/31/87
4,653,829 06/822,731 03/31/87
4,653,834 06/756,017 03/31/87
4,653,837 06/655,696 03/31/87
4,653,839 06/748,082 03/31/87
4,653,852 06/688,506 03/31/87
4,653,861 06/644,766 03/31/87
4,653,867 06/740,815 03/31/87
4,653,872 06/367,981 03/31/87
4,653,873 06/663,376 03/31/87
4,653,884 06/846,112 03/31/87
4,653,891 06/700,783 03/31/87
4,653,894 06/818,927 03/31/87
4,653,897 06/685,877 03/31/87
4,653,899 06/825,876 03/31/87
4,653,909 06/793,812 03/31/87
4,653,912 06/777,466 03/31/87
4,653,921 06/773,908 03/31/87
4,653,926 06/497,154 03/31/87
4,653,929 06/737,193 03/31/87
4,653,938 06/256,642 03/31/87
4,653,944 06/742,155 03/31/87
4,653,951 06/764,288 03/31/87
4,653,967 06/737,640 03/31/87
4,653,970 06/768,291 03/31/87
4,653,972 06/691,648 03/31/87
4,653,977 06/693,495 03/31/87
4,653,981 06/781,585 03/31/87
4,653,985 06/672,372 03/31/87
4,653,996 06/664,003 03/31/87
4,653,999 06/783,130 03/31/87
4,654,006 06/845,295 03/31/87
4,654,007 06/734,326 03/31/87
4,654,026 06/686,287 03/31/87
4,654,028 06/823,950 03/31/87
4,654,031 06/723,247 03/31/87
4,654,034 06/825,524 03/31/87
4,654,044 06/758,171 03/31/87
4,654,052 06/748,000 03/31/87
4,654,054 06/724,466 03/31/87
4,654,055 06/509,628 03/31/87
4,654,062 06/884,574 03/31/87
4,654,068 06/818,412 03/31/87
4,654,069 06/790,557 03/31/87
4,654,070 06/780,037 03/31/87
4,654,075 06/745,045 03/31/87
4,654,087 06/722,972 03/31/87
4,654,094 06/771,448 03/31/87
4,654,096 06/640,525 03/31/87
4,654,099 06/773,444 03/31/87
4,654,102 06/867,908 03/31/87
4,654,115 06/849,247 03/31/87
4,654,118 06/845,671 03/31/87
4,654,119 06/799,053 03/31/87
4,654,120 06/793,400 03/31/87
4,654,123 06/815,519 03/31/87
4,654,125 06/584,806 03/31/87
4,654,126 06/785,128 03/31/87
4,654,129 06/859,907 03/31/87
4,654,144 06/825,128 03/31/87
4,654,151 06/762,340 03/31/87
4,654,159 06/754,560 03/31/87
4,654,160 06/786,565 03/31/87
4,654,163 06/716,047 03/31/87
4,654,167 06/794,795 03/31/87
4,654,172 06/613,194 03/31/87
4,654,178 06/818,744 03/31/87
4,654,181 06/663,943 03/31/87
4,654,186 06/585,671 03/31/87
4,654,190 06/596,879 03/31/87
4,654,193 06/603,824 03/31/87
4,654,196 06/760,175 03/31/87
4,654,199 06/743,891 03/31/87
4,654,212 06/840,977 03/31/87
4,654,219 06/869,557 03/31/87
4,654,222 06/834,662 03/31/87
4,654,223 06/839,456 03/31/87
4,654,225 06/794,886 03/31/87
4,654,227 06/691,135 03/31/87
4,654,228 06/813,102 03/31/87
4,654,233 06/673,873 03/31/87
4,654,238 06/788,871 03/31/87
4,654,247 06/806,586 03/31/87
4,654,248 06/809,655 03/31/87
4,654,251 06/768,351 03/31/87
4,654,255 06/754,522 03/31/87
4,654,265 06/870,709 03/31/87
4,654,270 06/876,985 03/31/87
4,654,277 06/809,686 03/31/87
4,654,279 06/884,143 03/31/87
4,654,285 06/655,931 03/31/87
4,654,287 06/668,038 03/31/87
4,654,293 06/624,270 03/31/87
4,654,298 06/658,020 03/31/87
4,654,299 06/592,046 03/31/87
4,654,301 06/774,950 03/31/87
4,654,303 06/532,341 03/31/87
4,654,308 06/746,402 03/31/87
4,654,314 06/628,600 03/31/87
4,654,322 06/762,417 03/31/87
4,654,326 06/630,058 03/31/87
4,654,327 06/804,214 03/31/87
4,654,328 06/670,744 03/31/87
4,654,330 06/592,688 03/31/87
4,654,335 06/753,760 03/31/87
4,654,349 06/586,945 03/31/87
4,654,355 06/761,261 03/31/87
4,654,356 06/761,263 03/31/87
4,654,357 06/764,157 03/31/87
4,654,361 06/822,438 03/31/87
4,654,364 06/797,300 03/31/87
4,654,366 06/829,639 03/31/87
4,654,367 06/829,257 03/31/87
4,654,372 06/818,505 03/31/87
4,654,381 06/751,492 03/31/87
4,654,382 06/738,088 03/31/87
4,654,384 06/570,254 03/31/87
4,654,396 06/773,664 03/31/87
4,654,398 06/779,001 03/31/87
4,654,401 06/814,356 03/31/87
4,654,410 06/839,991 03/31/87
4,654,417 06/834,422 03/31/87
4,654,422 06/785,712 03/31/87
4,654,439 06/842,571 03/31/87
4,654,445 06/800,966 03/31/87
4,654,452 06/450,492 03/31/87
4,654,456 06/801,470 03/31/87
4,654,458 06/781,214 03/31/87
4,654,467 06/806,404 03/31/87
4,654,470 06/811,052 03/31/87
4,654,472 06/682,558 03/31/87
4,654,480 06/801,797 03/31/87
4,654,494 06/754,006 03/31/87
4,654,496 06/598,661 03/31/87
4,654,499 06/735,626 03/31/87
4,654,503 06/759,808 03/31/87
4,654,514 06/649,097 03/31/87
4,654,518 06/623,991 03/31/87
4,654,519 06/682,922 03/31/87
4,654,526 06/711,376 03/31/87
4,654,534 06/659,434 03/31/87
4,654,540 06/785,129 03/31/87
4,654,544 06/797,329 03/31/87
4,654,550 06/839,488 03/31/87
4,654,551 06/736,299 03/31/87
4,654,553 06/777,764 03/31/87
4,654,557 06/722,945 03/31/87
4,654,559 06/776,270 03/31/87
4,654,560 06/734,529 03/31/87
4,654,565 06/717,982 03/31/87
4,654,569 06/625,671 03/31/87
4,654,570 06/823,500 03/31/87
4,654,576 06/768,617 03/31/87
4,654,580 06/621,631 03/31/87
4,654,584 06/808,454 03/31/87
4,654,586 06/742,826 03/31/87
4,654,587 06/770,947 03/31/87
4,654,589 06/537,495 03/31/87
4,654,597 06/744,268 03/31/87
4,654,598 06/709,592 03/31/87
4,654,609 06/705,267 03/31/87
4,654,610 06/758,608 03/31/87
4,654,617 06/735,511 03/31/87
4,654,620 06/839,514 03/31/87
4,654,621 06/738,092 03/31/87
4,654,625 06/734,852 03/31/87
4,654,626 06/764,755 03/31/87
4,654,635 06/772,791 03/31/87
4,654,637 06/394,354 03/31/87
4,654,644 06/720,441 03/31/87
4,654,651 06/672,254 03/31/87
4,654,656 06/651,026 03/31/87
4,654,675 06/741,892 03/31/87
4,654,677 06/482,190 03/31/87
4,654,679 06/656,581 03/31/87
4,654,680 06/304,882 03/31/87
4,654,683 06/768,788 03/31/87
4,654,686 06/707,319 03/31/87
4,654,693 06/769,769 03/31/87
4,654,695 06/715,262 03/31/87
4,654,696 06/721,515 03/31/87
4,654,698 06/851,746 03/31/87
4,654,699 06/761,085 03/31/87
4,654,700 06/718,679 03/31/87
4,654,702 06/670,422 03/31/87
4,654,705 06/567,108 03/31/87
4,654,712 06/723,903 03/31/87
4,654,717 06/735,979 03/31/87
4,654,718 06/557,588 03/31/87
4,654,719 06/546,401 03/31/87
4,654,720 06/727,500 03/31/87
4,654,721 06/722,898 03/31/87
4,654,727 06/720,591 03/31/87
4,654,729 06/613,325 03/31/87
4,654,741 06/724,011 03/31/87
4,654,747 06/781,908 03/31/87
4,654,753 06/847,124 03/31/87
4,654,766 06/747,267 03/31/87
4,654,775 06/717,805 03/31/87
4,654,779 06/534,125 03/31/87
4,654,782 06/728,459 03/31/87
4,654,791 06/517,056 03/31/87
4,654,827 06/640,717 03/31/87
4,654,831 06/722,251 03/31/87
4,654,837 06/773,284 03/31/87
4,654,843 06/531,545 03/31/87
4,654,844 06/647,518 03/31/87
4,654,847 06/687,401 03/31/87
4,654,856 06/781,912 03/31/87
4,654,862 06/706,014 03/31/87
4,654,868 06/805,314 03/31/87
4,654,871 06/719,034 03/31/87
4,654,875 06/496,827 03/31/87
4,654,888 06/735,753 03/31/87
PATENTS WHICH EXPIRED ON March 26, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,001,784 07/481,042 03/26/91
5,001,794 07/461,299 03/26/91
5,001,795 07/485,352 03/26/91
5,001,809 07/400,875 03/26/91
5,001,817 07/537,733 03/26/91
5,001,818 07/251,694 03/26/91
5,001,829 07/459,898 03/26/91
5,001,831 07/375,461 03/26/91
5,001,834 07/535,044 03/26/91
5,001,839 07/358,333 03/26/91
5,001,842 07/463,140 03/26/91
5,001,844 07/529,567 03/26/91
5,001,851 07/322,134 03/26/91
5,001,856 07/375,903 03/26/91
5,001,857 07/394,365 03/26/91
5,001,861 07/394,974 03/26/91
5,001,864 07/426,579 03/26/91
5,001,870 07/401,843 03/26/91
5,001,880 07/514,286 03/26/91
5,001,883 07/407,399 03/26/91
5,001,884 07/430,886 03/26/91
5,001,885 07/239,194 03/26/91
5,001,892 07/473,860 03/26/91
5,001,894 07/433,545 03/26/91
5,001,899 07/209,227 03/26/91
5,001,907 07/476,855 03/26/91
5,001,909 07/228,711 03/26/91
5,001,910 07/495,025 03/26/91
5,001,918 07/348,494 03/26/91
5,001,923 07/462,484 03/26/91
5,001,927 07/412,190 03/26/91
5,001,930 07/432,261 03/26/91
5,001,931 07/529,519 03/26/91
5,001,933 07/457,045 03/26/91
5,001,934 07/459,951 03/26/91
5,001,935 07/485,585 03/26/91
5,001,937 07/432,075 03/26/91
5,001,943 07/396,800 03/26/91
5,001,949 07/284,519 03/26/91
5,001,950 07/470,425 03/26/91
5,001,952 07/442,074 03/26/91
5,001,953 07/529,131 03/26/91
5,001,955 07/508,824 03/26/91
5,001,968 07/446,927 03/26/91
5,001,969 07/538,374 03/26/91
5,001,978 07/500,342 03/26/91
5,001,988 07/287,326 03/26/91
5,001,989 07/312,195 03/26/91
5,001,992 07/428,869 03/26/91
5,001,995 07/320,079 03/26/91
5,001,999 07/493,758 03/26/91
5,002,002 07/581,070 03/26/91
5,002,003 07/533,179 03/26/91
5,002,006 07/556,735 03/26/91
5,002,013 07/436,075 03/26/91
5,002,014 07/495,753 03/26/91
5,002,015 07/282,075 03/26/91
5,002,019 07/472,955 03/26/91
5,002,024 07/471,599 03/26/91
5,002,026 07/524,445 03/26/91
5,002,027 07/410,586 03/26/91
5,002,029 07/438,872 03/26/91
5,002,032 07/334,427 03/26/91
5,002,033 07/470,370 03/26/91
5,002,034 07/490,696 03/26/91
5,002,035 07/443,601 03/26/91
5,002,037 07/520,903 03/26/91
5,002,038 07/448,935 03/26/91
5,002,043 07/091,648 03/26/91
5,002,044 07/418,575 03/26/91
5,002,055 07/252,198 03/26/91
5,002,065 07/183,901 03/26/91
5,002,072 07/317,591 03/26/91
5,002,079 07/284,871 03/26/91
5,002,082 07/275,086 03/26/91
5,002,088 07/405,874 03/26/91
5,002,089 07/502,895 03/26/91
5,002,090 07/361,887 03/26/91
5,002,091 07/382,128 03/26/91
5,002,095 07/422,628 03/26/91
5,002,099 07/468,632 03/26/91
5,002,101 07/461,314 03/26/91
5,002,103 07/396,334 03/26/91
5,002,106 07/454,583 03/26/91
5,002,107 07/470,070 03/26/91
5,002,108 07/413,843 03/26/91
5,002,115 07/375,412 03/26/91
5,002,121 07/403,651 03/26/91
5,002,126 07/508,218 03/26/91
5,002,129 07/447,307 03/26/91
5,002,131 07/466,985 03/26/91
5,002,139 07/378,769 03/26/91
5,002,141 07/447,795 03/26/91
5,002,145 07/303,169 03/26/91
5,002,146 07/244,375 03/26/91
5,002,147 07/260,984 03/26/91
5,002,152 07/529,963 03/26/91
5,002,153 07/559,086 03/26/91
5,002,158 07/562,364 03/26/91
5,002,160 07/025,333 03/26/91
5,002,177 07/387,354 03/26/91
5,002,179 07/401,785 03/26/91
5,002,183 07/256,567 03/26/91
5,002,185 07/490,718 03/26/91
5,002,187 07/386,907 03/26/91
5,002,188 07/548,325 03/26/91
5,002,197 07/545,366 03/26/91
5,002,203 07/364,817 03/26/91
5,002,206 07/426,629 03/26/91
5,002,215 07/490,880 03/26/91
5,002,216 07/384,655 03/26/91
5,002,218 07/479,705 03/26/91
5,002,221 07/350,047 03/26/91
5,002,222 07/459,084 03/26/91
5,002,223 07/463,369 03/26/91
5,002,225 07/417,130 03/26/91
5,002,226 07/464,912 03/26/91
5,002,228 07/379,929 03/26/91
5,002,229 07/097,946 03/26/91
5,002,232 07/480,655 03/26/91
5,002,233 07/462,077 03/26/91
5,002,245 07/394,355 03/26/91
5,002,251 07/407,535 03/26/91
5,002,255 07/485,985 03/26/91
5,002,256 07/522,543 03/26/91
5,002,267 07/424,766 03/26/91
5,002,273 07/389,938 03/26/91
5,002,279 07/421,744 03/26/91
5,002,280 07/502,780 03/26/91
5,002,282 07/351,445 03/26/91
5,002,285 07/550,466 03/26/91
5,002,298 07/423,385 03/26/91
5,002,300 07/156,962 03/26/91
5,002,301 07/442,458 03/26/91
5,002,305 07/010,632 03/26/91
5,002,310 07/265,053 03/26/91
5,002,313 07/234,380 03/26/91
5,002,317 07/476,824 03/26/91
5,002,321 07/532,619 03/26/91
5,002,325 07/379,587 03/26/91
5,002,334 07/349,826 03/26/91
5,002,335 07/307,745 03/26/91
5,002,341 07/410,989 03/26/91
5,002,344 07/388,837 03/26/91
5,002,346 07/451,220 03/26/91
5,002,351 07/215,747 03/26/91
5,002,358 07/472,219 03/26/91
5,002,363 07/456,483 03/26/91
5,002,364 07/470,993 03/26/91
5,002,367 07/268,315 03/26/91
5,002,376 07/351,225 03/26/91
5,002,384 07/001,337 03/26/91
5,002,394 07/472,170 03/26/91
5,002,395 07/305,196 03/26/91
5,002,397 07/421,263 03/26/91
5,002,400 07/454,504 03/26/91
5,002,401 07/488,864 03/26/91
5,002,419 07/538,091 03/26/91
5,002,425 07/337,882 03/26/91
5,002,427 07/391,114 03/26/91
5,002,431 07/446,026 03/26/91
5,002,442 07/579,157 03/26/91
5,002,443 07/378,366 03/26/91
5,002,444 07/543,542 03/26/91
5,002,445 07/465,456 03/26/91
5,002,451 07/456,705 03/26/91
5,002,453 07/422,016 03/26/91
5,002,457 07/486,814 03/26/91
5,002,489 07/300,062 03/26/91
5,002,506 07/501,227 03/26/91
5,002,508 07/401,943 03/26/91
5,002,517 07/498,440 03/26/91
5,002,519 07/510,305 03/26/91
5,002,526 07/456,016 03/26/91
5,002,527 07/280,500 03/26/91
5,002,534 07/473,599 03/26/91
5,002,541 06/945,844 03/26/91
5,002,549 07/322,754 03/26/91
5,002,556 07/363,889 03/26/91
5,002,573 07/411,821 03/26/91
5,002,576 07/362,153 03/26/91
5,002,579 07/049,989 03/26/91
5,002,587 07/414,995 03/26/91
5,002,588 07/451,904 03/26/91
5,002,589 07/449,186 03/26/91
5,002,591 07/464,244 03/26/91
5,002,594 07/565,163 03/26/91
5,002,614 07/332,741 03/26/91
5,002,624 07/185,035 03/26/91
5,002,632 07/441,134 03/26/91
5,002,634 07/411,702 03/26/91
5,002,636 07/529,250 03/26/91
5,002,640 07/316,914 03/26/91
5,002,645 07/386,342 03/26/91
5,002,647 07/382,283 03/26/91
5,002,651 07/319,984 03/26/91
5,002,658 07/441,758 03/26/91
5,002,679 07/529,671 03/26/91
5,002,681 07/335,917 03/26/91
5,002,683 07/396,413 03/26/91
5,002,699 07/291,811 03/26/91
5,002,700 07/334,680 03/26/91
5,002,711 06/751,220 03/26/91
5,002,712 07/420,015 03/26/91
5,002,713 07/455,987 03/26/91
5,002,715 07/366,846 03/26/91
5,002,716 07/349,886 03/26/91
5,002,723 07/333,934 03/26/91
5,002,733 07/385,678 03/26/91
5,002,737 07/271,724 03/26/91
5,002,744 07/522,109 03/26/91
5,002,746 07/372,469 03/26/91
5,002,754 07/207,281 03/26/91
5,002,759 07/384,446 03/26/91
5,002,762 07/404,719 03/26/91
5,002,764 07/397,365 03/26/91
5,002,768 07/279,295 03/26/91
5,002,772 07/200,801 03/26/91
5,002,773 07/414,381 03/26/91
5,002,778 07/425,509 03/26/91
5,002,781 07/579,284 03/26/91
5,002,795 07/471,420 03/26/91
5,002,797 07/335,911 03/26/91
5,002,798 07/335,406 03/26/91
5,002,804 07/378,007 03/26/91
5,002,808 07/307,813 03/26/91
5,002,809 07/359,338 03/26/91
5,002,814 07/130,005 03/26/91
5,002,817 07/516,566 03/26/91
5,002,829 07/559,421 03/26/91
5,002,835 07/480,395 03/26/91
5,002,838 07/393,806 03/26/91
5,002,839 07/422,262 03/26/91
5,002,843 07/367,572 03/26/91
5,002,849 07/416,174 03/26/91
5,002,863 07/272,431 03/26/91
5,002,864 07/347,396 03/26/91
5,002,865 07/489,747 03/26/91
5,002,870 07/495,256 03/26/91
5,002,875 07/090,623 03/26/91
5,002,878 07/223,718 03/26/91
5,002,881 07/365,842 03/26/91
5,002,893 06/937,107 03/26/91
5,002,895 07/431,448 03/26/91
5,002,906 07/414,413 03/26/91
5,002,912 07/507,290 03/26/91
5,002,920 07/429,224 03/26/91
5,002,921 07/546,679 03/26/91
5,002,928 07/433,456 03/26/91
5,002,933 07/328,159 03/26/91
5,002,936 07/261,673 03/26/91
5,002,944 07/350,366 03/26/91
5,002,945 07/364,999 03/26/91
5,002,951 07/046,597 03/26/91
5,002,952 07/385,998 03/26/91
5,002,973 07/426,495 03/26/91
5,002,982 07/484,601 03/26/91
5,002,983 07/476,604 03/26/91
5,002,990 07/315,569 03/26/91
5,003,000 07/545,169 03/26/91
5,003,001 07/366,493 03/26/91
5,003,009 07/221,671 03/26/91
5,003,029 07/534,085 03/26/91
5,003,037 07/562,621 03/26/91
5,003,048 07/223,717 03/26/91
5,003,053 07/497,734 03/26/91
5,003,056 07/288,786 03/26/91
5,003,058 07/090,550 03/26/91
5,003,064 07/314,026 03/26/91
5,003,065 07/206,592 03/26/91
5,003,075 07/282,424 03/26/91
5,003,081 07/461,688 03/26/91
5,003,089 07/379,412 03/26/91
5,003,092 07/360,394 03/26/91
5,003,100 07/548,488 03/26/91
5,003,111 07/310,187 03/26/91
5,003,114 07/362,584 03/26/91
5,003,117 07/389,521 03/26/91
5,003,132 07/403,610 03/26/91
5,003,133 07/452,695 03/26/91
5,003,140 07/371,366 03/26/91
5,003,144 07/506,054 03/26/91
5,003,146 07/400,513 03/26/91
5,003,148 07/255,782 03/26/91
5,003,156 07/323,321 03/26/91
5,003,159 07/496,451 03/26/91
5,003,163 07/511,866 03/26/91
5,003,174 07/456,666 03/26/91
5,003,180 07/511,127 03/26/91
5,003,181 07/498,323 03/26/91
5,003,187 07/465,788 03/26/91
5,003,199 07/484,949 03/26/91
5,003,208 07/389,776 03/26/91
5,003,214 07/574,567 03/26/91
5,003,219 07/433,494 03/26/91
5,003,220 07/064,731 03/26/91
5,003,226 07/437,749 03/26/91
5,003,231 07/336,869 03/26/91
5,003,250 07/230,318 03/26/91
5,003,251 07/405,998 03/26/91
5,003,253 07/318,744 03/26/91
5,003,257 07/366,941 03/26/91
5,003,276 07/392,609 03/26/91
5,003,283 07/468,241 03/26/91
5,003,292 07/530,265 03/26/91
5,003,296 07/535,909 03/26/91
5,003,297 07/505,238 03/26/91
5,003,301 07/210,238 03/26/91
5,003,312 06/855,151 03/26/91
5,003,315 07/590,704 03/26/91
5,003,317 07/378,593 03/26/91
5,003,335 07/379,807 03/26/91
5,003,341 07/360,025 03/26/91
5,003,343 07/473,615 03/26/91
5,003,345 07/458,482 03/26/91
5,003,349 07/508,205 03/26/91
5,003,360 07/379,928 03/26/91
5,003,365 07/528,261 03/26/91
5,003,374 07/197,544 03/26/91
5,003,381 06/797,246 03/26/91
5,003,386 07/447,994 03/26/91
5,003,391 07/405,488 03/26/91
5,003,392 07/410,124 03/26/91
5,003,395 07/414,038 03/26/91
5,003,402 07/433,240 03/26/91
5,003,413 07/401,229 03/26/91
5,003,417 07/285,835 03/26/91
5,003,419 07/330,494 03/26/91
5,003,424 07/274,113 03/26/91
5,003,433 07/303,227 03/26/91
5,003,441 07/374,526 03/26/91
5,003,443 07/561,200 03/26/91
5,003,448 07/476,159 03/26/91
5,003,454 07/462,682 03/26/91
5,003,457 07/291,135 03/26/91
5,003,462 07/200,688 03/26/91
5,003,465 07/212,292 03/26/91
5,003,470 07/282,409 03/26/91
5,003,471 07/277,415 03/26/91
5,003,472 07/449,369 03/26/91
5,003,486 07/315,924 03/26/91
5,003,487 07/212,529 03/26/91
5,003,495 07/078,231 03/26/91
5,003,505 06/607,541 03/26/91
5,003,524 07/289,349 03/26/91
5,003,529 07/418,967 03/26/91
5,003,533 07/385,241 03/26/91
5,003,550 07/494,620 03/26/91
5,003,561 07/417,150 03/26/91
5,003,566 07/364,336 03/26/91
5,003,568 07/554,963 03/26/91
5,003,571 07/532,222 03/26/91
5,003,581 07/272,928 03/26/91
5,003,582 07/468,313 03/26/91
5,003,586 07/430,640 03/26/91
5,003,587 07/299,800 03/26/91
5,003,592 07/504,943 03/26/91
5,003,594 07/454,032 03/26/91
5,003,600 07/388,880 03/26/91
5,003,604 07/321,153 03/26/91
5,003,606 07/418,419 03/26/91
5,003,611 07/226,775 03/26/91
5,003,618 07/380,208 03/26/91
5,003,624 07/501,689 03/26/91
5,003,625 07/365,071 03/26/91
PATENTS WHICH EXPIRED ON March 28, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,400,437 08/188,775 03/28/95
5,400,440 08/225,770 03/28/95
5,400,441 08/054,240 03/28/95
5,400,443 08/130,188 03/28/95
5,400,444 07/949,037 03/28/95
5,400,447 08/169,366 03/28/95
5,400,449 08/309,727 03/28/95
5,400,453 08/221,454 03/28/95
5,400,457 08/231,765 03/28/95
5,400,466 08/104,878 03/28/95
5,400,468 07/966,842 03/28/95
5,400,475 08/234,436 03/28/95
5,400,478 08/069,022 03/28/95
5,400,494 08/154,583 03/28/95
5,400,495 08/166,739 03/28/95
5,400,501 08/110,547 03/28/95
5,400,509 08/223,599 03/28/95
5,400,510 08/171,556 03/28/95
5,400,511 08/096,938 03/28/95
5,400,512 08/203,824 03/28/95
5,400,513 08/028,983 03/28/95
5,400,514 08/200,183 03/28/95
5,400,515 08/270,318 03/28/95
5,400,518 08/036,513 03/28/95
5,400,528 08/122,026 03/28/95
5,400,534 08/286,135 03/28/95
5,400,536 07/901,774 03/28/95
5,400,538 08/183,882 03/28/95
5,400,539 08/176,774 03/28/95
5,400,541 08/261,177 03/28/95
5,400,542 08/134,756 03/28/95
5,400,544 08/055,556 03/28/95
5,400,545 08/146,428 03/28/95
5,400,552 08/075,462 03/28/95
5,400,554 08/180,688 03/28/95
5,400,557 07/975,097 03/28/95
5,400,561 08/161,510 03/28/95
5,400,562 08/119,215 03/28/95
5,400,569 08/002,602 03/28/95
5,400,570 08/062,126 03/28/95
5,400,572 07/980,241 03/28/95
5,400,575 08/108,467 03/28/95
5,400,578 08/230,212 03/28/95
5,400,580 07/798,951 03/28/95
5,400,581 08/030,235 03/28/95
5,400,582 07/811,882 03/28/95
5,400,583 07/887,306 03/28/95
5,400,585 08/246,142 03/28/95
5,400,593 08/165,033 03/28/95
5,400,596 07/800,435 03/28/95
5,400,610 08/199,494 03/28/95
5,400,612 08/068,406 03/28/95
5,400,613 08/154,537 03/28/95
5,400,623 08/280,180 03/28/95
5,400,624 08/106,620 03/28/95
5,400,625 08/161,078 03/28/95
5,400,627 08/214,175 03/28/95
5,400,628 08/102,845 03/28/95
5,400,631 08/147,440 03/28/95
5,400,648 07/916,996 03/28/95
5,400,650 07/931,267 03/28/95
5,400,651 08/252,142 03/28/95
5,400,660 08/125,927 03/28/95
5,400,676 08/166,105 03/28/95
5,400,679 08/124,583 03/28/95
5,400,681 08/120,066 03/28/95
5,400,682 07/983,852 03/28/95
5,400,683 08/260,770 03/28/95
5,400,693 08/103,524 03/28/95
5,400,703 08/084,925 03/28/95
5,400,709 07/947,929 03/28/95
5,400,719 08/131,779 03/28/95
5,400,730 08/296,607 03/28/95
5,400,733 08/075,293 03/28/95
5,400,741 08/065,813 03/28/95
5,400,746 08/080,956 03/28/95
5,400,764 08/008,032 03/28/95
5,400,766 08/161,569 03/28/95
5,400,773 08/006,250 03/28/95
5,400,774 08/149,066 03/28/95
5,400,776 08/088,385 03/28/95
5,400,788 08/072,828 03/28/95
5,400,789 08/225,606 03/28/95
5,400,799 08/180,033 03/28/95
5,400,800 08/135,446 03/28/95
5,400,802 08/197,950 03/28/95
5,400,809 08/196,591 03/28/95
5,400,810 08/136,017 03/28/95
5,400,811 08/126,386 03/28/95
5,400,819 07/961,919 03/28/95
5,400,820 08/185,205 03/28/95
5,400,823 08/153,787 03/28/95
5,400,824 08/174,753 03/28/95
5,400,827 08/133,466 03/28/95
5,400,835 08/107,338 03/28/95
5,400,839 08/030,622 03/28/95
5,400,840 08/178,139 03/28/95
5,400,841 08/285,954 03/28/95
5,400,843 08/211,484 03/28/95
5,400,844 08/016,415 03/28/95
5,400,846 08/190,834 03/28/95
5,400,848 08/134,552 03/28/95
5,400,851 07/647,094 03/28/95
5,400,855 08/010,225 03/28/95
5,400,863 08/045,415 03/28/95
5,400,871 08/185,265 03/28/95
5,400,878 08/031,756 03/28/95
5,400,892 08/196,407 03/28/95
5,400,900 08/023,960 03/28/95
5,400,901 08/260,851 03/28/95
5,400,905 07/979,174 03/28/95
5,400,908 08/097,123 03/28/95
5,400,910 07/999,615 03/28/95
5,400,914 08/273,766 03/28/95
5,400,916 08/203,389 03/28/95
5,400,918 07/917,350 03/28/95
5,400,928 08/195,809 03/28/95
5,400,933 08/213,723 03/28/95
5,400,935 08/234,049 03/28/95
5,400,936 08/194,927 03/28/95
5,400,937 08/158,506 03/28/95
5,400,945 08/077,341 03/28/95
5,400,946 08/141,740 03/28/95
5,400,952 08/142,560 03/28/95
5,400,953 08/288,895 03/28/95
5,400,958 08/203,823 03/28/95
5,400,959 08/254,864 03/28/95
5,400,961 08/211,124 03/28/95
5,400,965 07/891,693 03/28/95
5,400,967 08/152,738 03/28/95
5,400,993 08/111,715 03/28/95
5,400,996 08/126,886 03/28/95
5,400,998 07/778,896 03/28/95
5,401,000 08/177,367 03/28/95
5,401,003 08/055,423 03/28/95
5,401,005 08/225,654 03/28/95
5,401,008 07/884,366 03/28/95
5,401,009 08/013,689 03/28/95
5,401,020 08/096,032 03/28/95
5,401,022 08/225,790 03/28/95
5,401,025 08/275,109 03/28/95
5,401,029 08/237,867 03/28/95
5,401,030 08/094,434 03/28/95
5,401,031 08/195,116 03/28/95
5,401,032 08/131,488 03/28/95
5,401,037 08/134,167 03/28/95
5,401,040 08/234,340 03/28/95
5,401,041 08/192,825 03/28/95
5,401,045 08/154,701 03/28/95
5,401,047 08/154,929 03/28/95
5,401,052 07/868,852 03/28/95
5,401,056 08/209,636 03/28/95
5,401,057 08/090,929 03/28/95
5,401,062 08/204,352 03/28/95
5,401,067 08/074,130 03/28/95
5,401,068 08/241,615 03/28/95
5,401,071 08/236,177 03/28/95
5,401,074 08/208,482 03/28/95
5,401,076 08/011,746 03/28/95
5,401,083 08/165,054 03/28/95
5,401,088 08/120,942 03/28/95
5,401,090 07/972,708 03/28/95
5,401,092 07/965,214 03/28/95
5,401,093 08/095,848 03/28/95
5,401,099 07/937,840 03/28/95
5,401,101 08/214,987 03/28/95
5,401,102 07/767,151 03/28/95
5,401,118 08/094,511 03/28/95
5,401,121 08/103,383 03/28/95
5,401,122 08/055,983 03/28/95
5,401,132 08/116,439 03/28/95
5,401,133 08/122,392 03/28/95
5,401,136 08/198,309 03/28/95
5,401,154 08/067,219 03/28/95
5,401,159 08/182,000 03/28/95
5,401,161 08/085,469 03/28/95
5,401,166 08/115,134 03/28/95
5,401,170 08/156,908 03/28/95
5,401,189 08/159,146 03/28/95
5,401,207 08/241,492 03/28/95
5,401,213 08/013,513 03/28/95
5,401,215 08/116,007 03/28/95
5,401,217 08/159,361 03/28/95
5,401,225 08/216,065 03/28/95
5,401,231 08/109,967 03/28/95
5,401,236 08/208,565 03/28/95
5,401,240 08/238,525 03/28/95
5,401,249 08/073,338 03/28/95
5,401,254 07/852,778 03/28/95
5,401,261 07/906,206 03/28/95
5,401,263 08/255,182 03/28/95
5,401,266 07/856,914 03/28/95
5,401,268 08/211,745 03/28/95
5,401,271 08/185,686 03/28/95
5,401,283 08/136,493 03/28/95
5,401,292 07/924,861 03/28/95
5,401,293 08/114,477 03/28/95
5,401,296 08/266,563 03/28/95
5,401,301 08/142,398 03/28/95
5,401,302 08/193,094 03/28/95
5,401,314 08/042,544 03/28/95
5,401,328 08/190,722 03/28/95
5,401,339 08/194,757 03/28/95
5,401,343 07/532,562 03/28/95
5,401,345 08/212,238 03/28/95
5,401,372 08/054,159 03/28/95
5,401,377 08/103,193 03/28/95
5,401,381 08/129,163 03/28/95
5,401,391 08/028,055 03/28/95
5,401,393 08/120,505 03/28/95
5,401,408 08/161,262 03/28/95
5,401,417 08/099,896 03/28/95
5,401,418 08/104,824 03/28/95
5,401,432 08/000,573 03/28/95
5,401,445 08/083,964 03/28/95
5,401,474 08/060,002 03/28/95
5,401,475 08/106,616 03/28/95
5,401,477 08/180,838 03/28/95
5,401,479 07/906,918 03/28/95
5,401,482 08/041,036 03/28/95
5,401,496 07/997,832 03/28/95
5,401,497 07/853,997 03/28/95
5,401,498 08/037,125 03/28/95
5,401,504 08/174,363 03/28/95
5,401,517 08/153,015 03/28/95
5,401,519 07/848,022 03/28/95
5,401,527 08/121,259 03/28/95
5,401,528 07/946,372 03/28/95
5,401,534 08/032,285 03/28/95
5,401,545 08/221,783 03/28/95
5,401,549 07/766,006 03/28/95
5,401,550 08/099,193 03/28/95
5,401,551 08/217,444 03/28/95
5,401,553 07/973,313 03/28/95
5,401,567 08/063,210 03/28/95
5,401,568 07/957,243 03/28/95
5,401,581 08/168,032 03/28/95
5,401,593 08/090,191 03/28/95
5,401,594 08/131,832 03/28/95
5,401,596 07/960,131 03/28/95
5,401,597 08/064,572 03/28/95
5,401,610 08/053,483 03/28/95
5,401,612 08/245,549 03/28/95
5,401,626 07/801,165 03/28/95
5,401,630 07/695,167 03/28/95
5,401,644 07/813,838 03/28/95
5,401,646 08/106,637 03/28/95
5,401,651 07/778,413 03/28/95
5,401,653 08/200,639 03/28/95
5,401,673 08/110,933 03/28/95
5,401,682 08/212,429 03/28/95
5,401,687 08/046,299 03/28/95
5,401,696 08/212,501 03/28/95
5,401,710 08/087,691 03/28/95
5,401,711 08/011,908 03/28/95
5,401,716 07/829,531 03/28/95
5,401,717 08/194,980 03/28/95
5,401,720 08/184,584 03/28/95
5,401,721 07/862,776 03/28/95
5,401,723 07/984,441 03/28/95
5,401,735 08/101,141 03/28/95
5,401,738 08/075,247 03/28/95
5,401,740 08/273,624 03/28/95
5,401,745 08/033,595 03/28/95
5,401,748 07/988,964 03/28/95
5,401,756 08/190,609 03/28/95
5,401,762 08/162,116 03/28/95
5,401,770 07/917,015 03/28/95
5,401,771 08/082,761 03/28/95
5,401,773 07/651,466 03/28/95
5,401,776 08/137,417 03/28/95
5,401,789 07/892,990 03/28/95
5,401,791 07/984,798 03/28/95
5,401,793 07/854,105 03/28/95
5,401,798 08/101,326 03/28/95
5,401,816 08/127,717 03/28/95
5,401,833 08/012,003 03/28/95
5,401,835 07/923,739 03/28/95
5,401,846 08/079,941 03/28/95
5,401,848 07/776,921 03/28/95
5,401,855 08/080,171 03/28/95
5,401,865 07/910,351 03/28/95
5,401,867 07/951,177 03/28/95
5,401,904 07/935,279 03/28/95
5,401,912 08/072,819 03/28/95
5,401,914 08/012,902 03/28/95
5,401,915 08/166,778 03/28/95
5,401,930 08/047,981 03/28/95
5,401,934 08/028,022 03/28/95
5,401,939 08/249,976 03/28/95
5,401,941 08/136,441 03/28/95
5,401,950 07/835,086 03/28/95
5,401,951 08/068,388 03/28/95
5,401,958 08/118,361 03/28/95
5,401,959 08/118,467 03/28/95
5,401,964 08/165,091 03/28/95
5,401,966 08/115,535 03/28/95
5,401,968 07/458,878 03/28/95
5,401,969 08/095,397 03/28/95
5,401,970 08/122,165 03/28/95
5,402,036 08/252,527 03/28/95
5,402,052 08/164,736 03/28/95
5,402,082 08/276,067 03/28/95
5,402,084 07/914,568 03/28/95
5,402,094 08/290,687 03/28/95
5,402,104 08/073,691 03/28/95
5,402,107 08/011,336 03/28/95
5,402,108 08/027,905 03/28/95
5,402,114 08/208,306 03/28/95
5,402,122 08/134,938 03/28/95
5,402,131 08/127,619 03/28/95
5,402,135 07/843,610 03/28/95
5,402,147 07/969,649 03/28/95
5,402,157 08/039,999 03/28/95
5,402,189 08/183,662 03/28/95
5,402,205 07/993,795 03/28/95
5,402,206 08/253,306 03/28/95
5,402,211 08/139,747 03/28/95
5,402,222 08/045,908 03/28/95
5,402,223 07/950,464 03/28/95
5,402,225 08/157,617 03/28/95
5,402,226 08/061,258 03/28/95
5,402,229 07/783,343 03/28/95
5,402,254 08/156,640 03/28/95
5,402,262 08/108,118 03/28/95
5,402,265 08/022,667 03/28/95
5,402,270 08/296,451 03/28/95
5,402,274 07/964,294 03/28/95
5,402,302 08/035,746 03/28/95
5,402,303 07/688,631 03/28/95
5,402,315 08/093,673 03/28/95
5,402,328 08/099,816 03/28/95
5,402,333 07/898,603 03/28/95
5,402,334 07/880,789 03/28/95
5,402,335 07/950,362 03/28/95
5,402,337 07/918,038 03/28/95
5,402,359 07/763,448 03/28/95
5,402,393 08/209,284 03/28/95
5,402,395 07/795,813 03/28/95
5,402,396 08/019,637 03/28/95
5,402,403 08/077,948 03/28/95
5,402,404 08/037,826 03/28/95
5,402,432 08/069,807 03/28/95
5,402,453 08/184,652 03/28/95
5,402,457 08/161,880 03/28/95
5,402,463 08/109,075 03/28/95
5,402,486 08/174,833 03/28/95
5,402,487 08/137,561 03/28/95
5,402,489 07/951,389 03/28/95
5,402,501 08/098,741 03/28/95
5,402,532 08/316,075 03/28/95