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.
THE FOLLOWING EXPIRED PATENTS
SHOULD HAVE APPEARED IN AN
EARLIER EDITION OF THE OFFICIAL GAZETTE
PATENTS WHICH EXPIRED ON April 21, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Application Issue
Number Number Date
4,658,446 06/817,958 04/21/87
4,658,450 06/797,804 04/21/87
4,658,451 06/699,828 04/21/87
4,658,466 06/723,249 04/21/87
4,658,473 06/812,747 04/21/87
4,658,475 06/659,308 04/21/87
4,658,479 06/839,192 04/21/87
4,658,485 06/768,724 04/21/87
4,658,491 06/750,296 04/21/87
4,658,501 06/753,141 04/21/87
4,658,506 06/744,276 04/21/87
4,658,509 06/775,425 04/21/87
4,658,514 06/663,381 04/21/87
4,658,522 06/834,392 04/21/87
4,658,534 06/887,791 04/21/87
4,658,536 06/766,056 04/21/87
4,658,545 06/745,118 04/21/87
4,658,549 06/826,061 04/21/87
4,658,553 06/758,970 04/21/87
4,658,556 06/642,143 04/21/87
4,658,568 06/677,188 04/21/87
4,658,569 06/840,295 04/21/87
4,658,573 06/720,846 04/21/87
4,658,577 06/796,276 04/21/87
4,658,578 06/714,351 04/21/87
4,658,581 06/861,009 04/21/87
4,658,584 06/708,884 04/21/87
4,658,586 06/703,951 04/21/87
4,658,595 06/801,807 04/21/87
4,658,603 06/895,449 04/21/87
4,658,607 06/799,882 04/21/87
4,658,610 06/722,475 04/21/87
4,658,613 06/802,870 04/21/87
4,658,617 06/688,298 04/21/87
4,658,621 06/677,571 04/21/87
4,658,625 06/717,675 04/21/87
4,658,631 06/846,937 04/21/87
4,658,632 06/807,257 04/21/87
4,658,634 06/828,965 04/21/87
4,658,638 06/882,324 04/21/87
4,658,640 06/824,762 04/21/87
4,658,659 06/682,653 04/21/87
4,658,665 06/473,930 04/21/87
4,658,667 06/820,627 04/21/87
4,658,669 06/879,381 04/21/87
4,658,674 06/378,059 04/21/87
4,658,681 06/786,439 04/21/87
4,658,702 06/780,026 04/21/87
4,658,704 06/693,564 04/21/87
4,658,705 06/625,015 04/21/87
4,658,708 06/814,750 04/21/87
4,658,715 06/851,589 04/21/87
4,658,722 06/657,649 04/21/87
4,658,723 06/829,859 04/21/87
4,658,743 06/840,236 04/21/87
4,658,744 06/819,228 04/21/87
4,658,751 06/762,799 04/21/87
4,658,761 06/671,958 04/21/87
4,658,763 06/851,815 04/21/87
4,658,768 06/892,743 04/21/87
4,658,774 06/792,923 04/21/87
4,658,794 06/796,057 04/21/87
4,658,798 06/825,540 04/21/87
4,658,818 06/722,967 04/21/87
4,658,827 06/740,178 04/21/87
4,658,829 06/785,966 04/21/87
4,658,832 06/733,543 04/21/87
4,658,845 06/812,972 04/21/87
4,658,847 06/753,272 04/21/87
4,658,848 06/565,431 04/21/87
4,658,851 06/784,601 04/21/87
4,658,852 06/789,449 04/21/87
4,658,866 06/762,667 04/21/87
4,658,882 06/757,910 04/21/87
4,658,887 06/771,153 04/21/87
4,658,888 06/810,690 04/21/87
4,658,898 06/737,617 04/21/87
4,658,903 06/799,805 04/21/87
4,658,908 06/548,511 04/21/87
4,658,912 06/726,587 04/21/87
4,658,915 06/805,664 04/21/87
4,658,925 06/660,050 04/21/87
4,658,927 06/798,864 04/21/87
4,658,934 06/517,523 04/21/87
4,658,937 06/741,237 04/21/87
4,658,946 06/805,684 04/21/87
4,658,947 06/670,397 04/21/87
4,658,948 06/705,545 04/21/87
4,658,959 06/800,490 04/21/87
4,658,962 06/719,292 04/21/87
4,658,963 06/724,008 04/21/87
4,658,965 06/790,944 04/21/87
4,658,968 06/860,836 04/21/87
4,658,969 06/860,998 04/21/87
4,658,971 06/563,679 04/21/87
4,658,975 06/771,084 04/21/87
4,658,977 06/789,712 04/21/87
4,658,989 06/752,776 04/21/87
4,658,993 06/667,623 04/21/87
4,658,995 06/816,102 04/21/87
4,659,000 06/841,941 04/21/87
4,659,006 06/780,299 04/21/87
4,659,007 06/666,632 04/21/87
4,659,009 06/719,743 04/21/87
4,659,015 06/749,448 04/21/87
4,659,037 06/769,178 04/21/87
4,659,038 06/657,601 04/21/87
4,659,047 06/854,674 04/21/87
4,659,052 06/824,263 04/21/87
4,659,053 06/791,619 04/21/87
4,659,064 06/892,785 04/21/87
4,659,071 06/793,695 04/21/87
4,659,078 06/530,702 04/21/87
4,659,087 06/806,647 04/21/87
4,659,091 06/730,243 04/21/87
4,659,094 06/730,374 04/21/87
4,659,097 06/764,248 04/21/87
4,659,106 06/702,209 04/21/87
4,659,109 06/820,317 04/21/87
4,659,112 06/677,427 04/21/87
4,659,115 06/776,293 04/21/87
4,659,116 06/728,077 04/21/87
4,659,132 06/829,724 04/21/87
4,659,134 06/770,759 04/21/87
4,659,136 06/862,327 04/21/87
4,659,140 06/844,561 04/21/87
4,659,143 06/822,736 04/21/87
4,659,152 06/659,280 04/21/87
4,659,163 06/849,360 04/21/87
4,659,166 06/797,365 04/21/87
4,659,170 06/518,732 04/21/87
4,659,196 06/706,458 04/21/87
4,659,202 06/808,525 04/21/87
4,659,212 06/688,640 04/21/87
4,659,217 06/755,408 04/21/87
4,659,220 06/663,292 04/21/87
4,659,226 06/804,383 04/21/87
4,659,229 06/659,416 04/21/87
4,659,234 06/849,160 04/21/87
4,659,244 06/734,841 04/21/87
4,659,249 06/776,292 04/21/87
4,659,255 06/805,604 04/21/87
4,659,261 06/625,164 04/21/87
4,659,265 06/463,890 04/21/87
4,659,266 06/819,880 04/21/87
4,659,267 06/803,654 04/21/87
4,659,268 06/863,496 04/21/87
4,659,274 06/671,084 04/21/87
4,659,278 06/873,252 04/21/87
4,659,282 06/704,525 04/21/87
4,659,287 06/733,488 04/21/87
4,659,300 06/807,770 04/21/87
4,659,305 06/814,901 04/21/87
4,659,312 06/795,617 04/21/87
4,659,319 06/720,527 04/21/87
4,659,321 06/675,583 04/21/87
4,659,324 06/616,644 04/21/87
4,659,330 06/796,280 04/21/87
4,659,334 06/831,390 04/21/87
4,659,341 06/737,013 04/21/87
4,659,343 06/774,251 04/21/87
4,659,357 06/778,934 04/21/87
4,659,368 06/828,249 04/21/87
4,659,369 06/754,709 04/21/87
4,659,376 06/810,891 04/21/87
4,659,380 06/774,638 04/21/87
4,659,381 06/845,712 04/21/87
4,659,388 06/741,974 04/21/87
4,659,391 06/717,914 04/21/87
4,659,403 06/843,897 04/21/87
4,659,404 06/747,634 04/21/87
4,659,406 06/725,598 04/21/87
4,659,411 06/655,620 04/21/87
4,659,412 06/663,601 04/21/87
4,659,415 06/744,186 04/21/87
4,659,430 06/856,867 04/21/87
4,659,431 06/691,991 04/21/87
4,659,436 06/832,825 04/21/87
4,659,437 06/688,841 04/21/87
4,659,452 06/866,424 04/21/87
4,659,457 06/781,953 04/21/87
4,659,462 06/790,652 04/21/87
4,659,463 06/659,327 04/21/87
4,659,468 06/425,618 04/21/87
4,659,470 06/753,515 04/21/87
4,659,479 06/683,723 04/21/87
4,659,491 06/686,162 04/21/87
4,659,501 06/692,166 04/21/87
4,659,506 06/639,068 04/21/87
4,659,511 06/697,581 04/21/87
4,659,513 06/836,993 04/21/87
4,659,515 06/646,574 04/21/87
4,659,524 06/769,678 04/21/87
4,659,538 06/568,694 04/21/87
4,659,541 06/729,387 04/21/87
4,659,543 06/672,042 04/21/87
4,659,545 06/607,871 04/21/87
4,659,574 06/805,582 04/21/87
4,659,577 06/793,505 04/21/87
4,659,582 06/785,625 04/21/87
4,659,585 06/747,598 04/21/87
4,659,587 06/786,056 04/21/87
4,659,591 06/798,097 04/21/87
4,659,593 06/567,403 04/21/87
4,659,595 06/784,901 04/21/87
4,659,597 06/829,691 04/21/87
4,659,603 06/735,494 04/21/87
4,659,604 06/831,284 04/21/87
4,659,615 06/730,055 04/21/87
4,659,617 06/773,482 04/21/87
4,659,625 06/724,106 04/21/87
4,659,626 06/750,446 04/21/87
4,659,631 06/734,134 04/21/87
4,659,635 06/867,123 04/21/87
4,659,638 06/811,945 04/21/87
4,659,641 06/884,859 04/21/87
4,659,644 06/683,513 04/21/87
4,659,654 06/780,379 04/21/87
4,659,655 06/443,191 04/21/87
4,659,658 06/686,190 04/21/87
4,659,660 06/740,926 04/21/87
4,659,663 06/656,658 04/21/87
4,659,674 06/536,604 04/21/87
4,659,679 06/694,857 04/21/87
4,659,681 06/735,768 04/21/87
4,659,684 06/842,574 04/21/87
4,659,688 06/858,973 04/21/87
4,659,689 06/836,269 04/21/87
4,659,697 06/698,218 04/21/87
4,659,701 06/778,191 04/21/87
4,659,705 06/731,457 04/21/87
4,659,719 06/789,731 04/21/87
4,659,723 06/798,525 04/21/87
4,659,733 06/678,833 04/21/87
4,659,735 06/725,181 04/21/87
4,659,750 06/741,079 04/21/87
4,659,755 06/746,848 04/21/87
4,659,757 06/836,862 04/21/87
4,659,759 06/721,191 04/21/87
4,659,762 06/889,044 04/21/87
4,659,772 06/808,260 04/21/87
4,659,773 06/755,780 04/21/87
4,659,780 06/712,768 04/21/87
4,659,781 06/612,019 04/21/87
4,659,784 06/879,838 04/21/87
4,659,788 06/718,290 04/21/87
4,659,793 06/835,242 04/21/87
4,659,795 06/493,046 04/21/87
4,659,796 06/885,440 04/21/87
4,659,801 06/807,351 04/21/87
4,659,807 06/757,687 04/21/87
4,659,819 06/632,132 04/21/87
4,659,829 06/696,835 04/21/87
4,659,830 06/885,878 04/21/87
4,659,842 06/746,412 04/21/87
4,659,846 06/859,006 04/21/87
4,659,852 06/909,101 04/21/87
4,659,855 06/493,064 04/21/87
4,659,861 06/317,801 04/21/87
4,659,866 06/347,578 04/21/87
4,659,867 06/806,405 04/21/87
4,659,869 06/824,297 04/21/87
4,659,870 06/730,684 04/21/87
4,659,872 06/728,956 04/21/87
4,659,880 06/873,116 04/21/87
4,659,885 06/591,481 04/21/87
4,659,887 06/802,094 04/21/87
4,659,888 06/812,599 04/21/87
4,659,889 06/840,278 04/21/87
4,659,890 06/809,224 04/21/87
4,659,896 06/720,104 04/21/87
4,659,902 06/725,451 04/21/87
4,659,918 06/693,571 04/21/87
4,659,923 06/549,875 04/21/87
4,659,929 06/728,656 04/21/87
4,659,930 06/814,341 04/21/87
4,659,934 06/617,700 04/21/87
4,659,936 06/801,787 04/21/87
4,659,941 06/756,549 04/21/87
4,659,944 06/720,789 04/21/87
4,659,947 06/665,385 04/21/87
4,659,951 06/829,488 04/21/87
4,659,959 06/673,826 04/21/87
4,659,960 06/731,942 04/21/87
4,659,962 06/708,080 04/21/87
4,659,964 06/677,940 04/21/87
4,659,976 06/726,709 04/21/87
4,659,978 06/818,193 04/21/87
4,659,984 06/679,207 04/21/87
4,659,988 06/816,136 04/21/87
4,659,993 06/690,353 04/21/87
4,660,003 06/745,628 04/21/87
4,660,010 06/787,410 04/21/87
4,660,017 06/828,713 04/21/87
4,660,018 06/682,810 04/21/87
4,660,026 06/822,268 04/21/87
4,660,027 06/646,618 04/21/87
4,660,028 06/667,231 04/21/87
4,660,030 06/615,022 04/21/87
4,660,034 06/677,178 04/21/87
4,660,036 06/734,998 04/21/87
4,660,038 06/546,311 04/21/87
4,660,045 06/543,495 04/21/87
4,660,047 06/660,176 04/21/87
4,660,051 06/824,303 04/21/87
4,660,059 06/801,434 04/21/87
4,660,060 06/745,555 04/21/87
4,660,066 06/767,063 04/21/87
4,660,069 06/864,751 04/21/87
4,660,082 06/746,621 04/21/87
4,660,084 06/780,014 04/21/87
4,660,085 06/780,015 04/21/87
4,660,091 06/776,539 04/21/87
4,660,093 06/861,302 04/21/87
4,660,103 06/772,451 04/21/87
4,660,113 06/448,058 04/21/87
4,660,114 06/699,396 04/21/87
4,660,122 06/655,268 04/21/87
4,660,124 06/725,846 04/21/87
4,660,130 06/634,334 04/21/87
4,660,132 06/847,692 04/21/87
4,660,137 06/670,609 04/21/87
4,660,139 06/795,800 04/21/87
4,660,146 06/601,294 04/21/87
4,660,152 06/621,965 04/21/87
4,660,153 06/621,048 04/21/87
4,660,155 06/633,388 04/21/87
4,660,161 06/620,464 04/21/87
4,660,165 06/596,485 04/21/87
4,660,169 06/511,053 04/21/87
4,660,171 06/332,585 04/21/87
4,660,173 06/763,683 04/21/87
4,660,184 06/758,740 04/21/87
4,660,193 06/540,518 04/21/87
4,660,195 06/715,509 04/21/87
4,660,199 06/697,579 04/21/87
4,660,200 06/784,593 04/21/87
4,660,202 06/728,119 04/21/87
4,660,210 06/840,982 04/21/87
4,660,211 06/563,362 04/21/87
PATENTS WHICH EXPIRED ON APRIL 16, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,007,108 07/399,883 04/16/91
5,007,110 07/551,343 04/16/91
5,007,115 07/479,342 04/16/91
5,007,118 07/330,705 04/16/91
5,007,125 07/457,307 04/16/91
5,007,127 07/419,777 04/16/91
5,007,129 07/364,899 04/16/91
5,007,141 07/373,417 04/16/91
5,007,146 07/521,493 04/16/91
5,007,152 07/435,210 04/16/91
5,007,163 07/510,497 04/16/91
5,007,167 07/445,375 04/16/91
5,007,176 07/591,242 04/16/91
5,007,177 07/467,945 04/16/91
5,007,178 07/374,005 04/16/91
5,007,184 07/369,121 04/16/91
5,007,186 07/279,064 04/16/91
5,007,187 07/390,236 04/16/91
5,007,190 07/522,101 04/16/91
5,007,194 07/470,850 04/16/91
5,007,195 07/504,343 04/16/91
5,007,201 07/504,390 04/16/91
5,007,202 07/315,301 04/16/91
5,007,206 07/417,455 04/16/91
5,007,208 07/369,981 04/16/91
5,007,215 07/342,094 04/16/91
5,007,225 07/064,255 04/16/91
5,007,233 07/401,336 04/16/91
5,007,236 07/113,783 04/16/91
5,007,238 07/370,852 04/16/91
5,007,239 07/449,196 04/16/91
5,007,241 07/406,397 04/16/91
5,007,243 07/440,056 04/16/91
5,007,249 07/487,147 04/16/91
5,007,260 07/546,241 04/16/91
5,007,261 07/383,198 04/16/91
5,007,264 07/269,192 04/16/91
5,007,265 07/285,987 04/16/91
5,007,270 07/432,865 04/16/91
5,007,274 07/409,800 04/16/91
5,007,277 07/428,527 04/16/91
5,007,279 07/494,969 04/16/91
5,007,286 07/389,123 04/16/91
5,007,291 07/417,439 04/16/91
5,007,296 07/424,343 04/16/91
5,007,299 07/521,630 04/16/91
5,007,300 07/468,249 04/16/91
5,007,301 07/443,327 04/16/91
5,007,302 07/414,693 04/16/91
5,007,311 07/565,429 04/16/91
5,007,315 07/274,260 04/16/91
5,007,316 07/494,932 04/16/91
5,007,317 07/508,061 04/16/91
5,007,318 07/453,599 04/16/91
5,007,319 07/082,482 04/16/91
5,007,326 07/468,324 04/16/91
5,007,332 07/502,460 04/16/91
5,007,334 07/541,253 04/16/91
5,007,335 07/398,791 04/16/91
5,007,338 07/377,996 04/16/91
5,007,341 07/397,655 04/16/91
5,007,342 07/391,165 04/16/91
5,007,355 07/389,057 04/16/91
5,007,356 07/374,808 04/16/91
5,007,358 07/374,892 04/16/91
5,007,361 07/334,460 04/16/91
5,007,370 07/291,468 04/16/91
5,007,374 07/324,668 04/16/91
5,007,377 07/475,912 04/16/91
5,007,389 07/268,788 04/16/91
5,007,396 07/434,231 04/16/91
5,007,404 07/543,312 04/16/91
5,007,405 07/513,617 04/16/91
5,007,410 07/440,059 04/16/91
5,007,413 07/009,327 04/16/91
5,007,415 07/389,696 04/16/91
5,007,417 07/503,056 04/16/91
5,007,421 07/067,785 04/16/91
5,007,424 07/547,528 04/16/91
5,007,431 07/189,833 04/16/91
5,007,433 07/369,720 04/16/91
5,007,436 07/498,873 04/16/91
5,007,442 07/404,110 04/16/91
5,007,443 07/187,245 04/16/91
5,007,446 07/532,064 04/16/91
5,007,447 07/478,693 04/16/91
5,007,458 07/514,913 04/16/91
5,007,465 07/446,938 04/16/91
5,007,467 07/412,666 04/16/91
5,007,473 07/569,511 04/16/91
5,007,477 07/503,611 04/16/91
5,007,481 07/473,863 04/16/91
5,007,482 07/490,879 04/16/91
5,007,488 07/524,163 04/16/91
5,007,490 07/540,682 04/16/91
5,007,491 07/540,692 04/16/91
5,007,494 07/358,020 04/16/91
5,007,497 07/317,921 04/16/91
5,007,498 07/399,823 04/16/91
5,007,499 07/483,618 04/16/91
5,007,500 07/293,632 04/16/91
5,007,513 07/503,831 04/16/91
5,007,521 07/555,782 04/16/91
5,007,523 07/503,439 04/16/91
5,007,524 07/560,258 04/16/91
5,007,525 07/396,277 04/16/91
5,007,528 07/361,365 04/16/91
5,007,531 07/455,093 04/16/91
5,007,539 07/506,496 04/16/91
5,007,543 07/396,077 04/16/91
5,007,544 07/505,401 04/16/91
5,007,547 07/360,525 04/16/91
5,007,551 07/278,941 04/16/91
5,007,568 07/475,681 04/16/91
5,007,570 07/502,952 04/16/91
5,007,579 07/574,110 04/16/91
5,007,583 07/314,056 04/16/91
5,007,592 07/038,648 04/16/91
5,007,595 07/419,603 04/16/91
5,007,596 07/452,203 04/16/91
5,007,599 07/386,956 04/16/91
5,007,601 07/478,020 04/16/91
5,007,606 07/468,611 04/16/91
5,007,607 07/400,876 04/16/91
5,007,611 07/461,086 04/16/91
5,007,615 07/283,253 04/16/91
5,007,626 07/490,054 04/16/91
5,007,632 07/420,375 04/16/91
5,007,638 07/015,422 04/16/91
5,007,644 07/512,794 04/16/91
5,007,646 07/560,782 04/16/91
5,007,656 07/388,387 04/16/91
5,007,664 07/422,760 04/16/91
5,007,669 07/520,744 04/16/91
5,007,674 07/061,476 04/16/91
5,007,679 07/364,377 04/16/91
5,007,692 07/455,598 04/16/91
5,007,700 07/509,107 04/16/91
5,007,702 07/472,523 04/16/91
5,007,710 07/425,119 04/16/91
5,007,718 07/176,708 04/16/91
5,007,722 07/345,302 04/16/91
5,007,726 07/432,491 04/16/91
5,007,728 07/457,147 04/16/91
5,007,735 07/337,383 04/16/91
5,007,746 07/457,139 04/16/91
5,007,761 07/402,536 04/16/91
5,007,772 07/550,811 04/16/91
5,007,773 07/366,178 04/16/91
5,007,777 07/251,221 04/16/91
5,007,786 07/281,558 04/16/91
5,007,788 07/342,345 04/16/91
5,007,789 07/414,661 04/16/91
5,007,794 07/343,684 04/16/91
5,007,796 07/488,442 04/16/91
5,007,797 07/437,006 04/16/91
5,007,805 07/548,808 04/16/91
5,007,812 07/402,603 04/16/91
5,007,815 07/426,554 04/16/91
5,007,816 07/431,174 04/16/91
5,007,817 07/467,189 04/16/91
5,007,818 07/409,356 04/16/91
5,007,823 07/444,493 04/16/91
5,007,824 07/523,051 04/16/91
5,007,825 07/525,650 04/16/91
5,007,831 07/346,734 04/16/91
5,007,832 07/502,454 04/16/91
5,007,835 07/394,906 04/16/91
5,007,839 07/427,269 04/16/91
5,007,842 07/596,163 04/16/91
5,007,846 07/536,963 04/16/91
5,007,849 07/471,890 04/16/91
5,007,855 07/542,491 04/16/91
5,007,857 07/559,653 04/16/91
5,007,858 07/511,662 04/16/91
5,007,859 07/465,670 04/16/91
5,007,864 07/441,844 04/16/91
5,007,867 07/352,570 04/16/91
5,007,871 07/387,588 04/16/91
5,007,877 07/468,131 04/16/91
5,007,881 06/832,865 04/16/91
5,007,882 07/555,650 04/16/91
5,007,884 07/462,611 04/16/91
5,007,892 07/325,725 04/16/91
5,007,893 07/169,049 04/16/91
5,007,895 07/333,338 04/16/91
5,007,897 07/358,083 04/16/91
5,007,913 07/409,329 04/16/91
5,007,920 07/328,492 04/16/91
5,007,936 07/157,259 04/16/91
5,007,938 07/394,093 04/16/91
5,007,942 07/450,757 04/16/91
5,007,945 07/508,763 04/16/91
5,007,951 07/336,399 04/16/91
5,007,958 07/476,791 04/16/91
5,007,965 07/324,883 04/16/91
5,007,968 07/387,333 04/16/91
5,007,969 07/196,903 04/16/91
5,007,977 07/324,897 04/16/91
5,007,979 07/471,190 04/16/91
5,007,983 07/347,591 04/16/91
5,008,001 07/224,067 04/16/91
5,008,005 07/422,479 04/16/91
5,008,006 07/316,081 04/16/91
5,008,008 07/044,592 04/16/91
5,008,011 07/424,823 04/16/91
5,008,016 07/328,673 04/16/91
5,008,017 07/447,943 04/16/91
5,008,019 07/351,463 04/16/91
5,008,020 07/447,944 04/16/91
5,008,030 07/297,807 04/16/91
5,008,035 07/521,954 04/16/91
5,008,047 07/371,272 04/16/91
5,008,048 07/493,888 04/16/91
5,008,057 07/443,654 04/16/91
5,008,059 07/425,437 04/16/91
5,008,061 07/486,668 04/16/91
5,008,065 07/380,424 04/16/91
5,008,069 07/479,418 04/16/91
5,008,083 07/238,213 04/16/91
5,008,100 07/392,835 04/16/91
5,008,104 07/370,226 04/16/91
5,008,109 07/257,155 04/16/91
5,008,113 07/355,110 04/16/91
5,008,118 07/208,996 04/16/91
5,008,121 07/416,601 04/16/91
5,008,123 07/532,371 04/16/91
5,008,126 07/372,056 04/16/91
5,008,130 07/369,775 04/16/91
5,008,132 07/362,188 04/16/91
5,008,140 07/359,540 04/16/91
5,008,149 07/274,481 04/16/91
5,008,158 07/267,844 04/16/91
5,008,161 07/304,953 04/16/91
5,008,162 07/192,537 04/16/91
5,008,163 07/357,247 04/16/91
5,008,165 07/401,018 04/16/91
5,008,167 07/451,240 04/16/91
5,008,169 07/386,321 04/16/91
5,008,183 07/192,241 04/16/91
5,008,187 07/278,385 04/16/91
5,008,202 07/277,334 04/16/91
5,008,205 07/230,580 04/16/91
5,008,207 07/405,508 04/16/91
5,008,222 07/330,920 04/16/91
5,008,224 07/373,587 04/16/91
5,008,235 07/454,456 04/16/91
5,008,238 07/367,684 04/16/91
5,008,242 07/445,005 04/16/91
5,008,243 07/285,664 04/16/91
5,008,245 07/263,385 04/16/91
5,008,246 07/365,457 04/16/91
5,008,253 07/346,502 04/16/91
5,008,254 07/430,166 04/16/91
5,008,255 07/479,827 04/16/91
5,008,258 07/221,945 04/16/91
5,008,259 07/349,663 04/16/91
5,008,260 07/167,153 04/16/91
5,008,262 07/207,617 04/16/91
5,008,271 07/423,788 04/16/91
5,008,275 07/477,271 04/16/91
5,008,280 07/450,231 04/16/91
5,008,281 07/432,529 04/16/91
5,008,282 07/450,264 04/16/91
5,008,286 07/401,612 04/16/91
5,008,289 07/279,586 04/16/91
5,008,296 07/500,975 04/16/91
5,008,299 07/482,380 04/16/91
5,008,304 07/353,620 04/16/91
5,008,310 07/353,365 04/16/91
5,008,315 07/452,479 04/16/91
5,008,318 07/313,354 04/16/91
5,008,319 07/473,351 04/16/91
5,008,321 07/438,034 04/16/91
5,008,323 07/406,882 04/16/91
5,008,324 07/336,187 04/16/91
5,008,332 07/122,135 04/16/91
5,008,337 07/424,413 04/16/91
5,008,338 07/304,766 04/16/91
5,008,348 07/371,716 04/16/91
5,008,352 07/307,563 04/16/91
5,008,353 07/270,214 04/16/91
5,008,357 07/371,590 04/16/91
5,008,365 07/477,144 04/16/91
5,008,371 07/146,892 04/16/91
5,008,381 07/483,879 04/16/91
5,008,383 07/263,775 04/16/91
5,008,390 07/266,728 04/16/91
5,008,397 07/393,962 04/16/91
5,008,398 07/416,027 04/16/91
5,008,402 07/497,718 04/16/91
5,008,404 07/496,468 04/16/91
5,008,405 07/467,419 04/16/91
5,008,406 07/340,754 04/16/91
5,008,410 07/053,687 04/16/91
5,008,417 07/525,827 04/16/91
5,008,420 07/584,549 04/16/91
5,008,423 07/248,547 04/16/91
5,008,439 07/170,711 04/16/91
5,008,444 07/456,340 04/16/91
5,008,453 07/338,986 04/16/91
5,008,458 07/452,868 04/16/91
5,008,462 07/433,284 04/16/91
5,008,465 07/525,295 04/16/91
5,008,467 07/445,503 04/16/91
5,008,468 07/384,251 04/16/91
5,008,479 07/375,860 04/16/91
5,008,495 07/478,600 04/16/91
5,008,497 07/497,691 04/16/91
5,008,500 07/525,454 04/16/91
5,008,503 07/427,737 04/16/91
5,008,508 07/493,138 04/16/91
5,008,512 07/405,377 04/16/91
5,008,517 07/404,827 04/16/91
5,008,526 07/416,003 04/16/91
5,008,533 07/471,586 04/16/91
5,008,534 07/400,654 04/16/91
5,008,539 07/561,633 04/16/91
5,008,541 07/438,768 04/16/91
5,008,551 07/352,805 04/16/91
5,008,554 07/373,932 04/16/91
5,008,560 07/314,049 04/16/91
5,008,580 07/305,919 04/16/91
5,008,585 07/223,465 04/16/91
5,008,587 07/567,413 04/16/91
5,008,595 07/315,450 04/16/91
5,008,620 07/489,235 04/16/91
5,008,622 07/454,607 04/16/91
5,008,628 07/361,273 04/16/91
5,008,631 07/394,407 04/16/91
5,008,632 07/429,665 04/16/91
5,008,633 07/502,077 04/16/91
5,008,634 07/417,789 04/16/91
5,008,635 07/542,542 04/16/91
5,008,639 07/413,558 04/16/91
5,008,647 07/430,093 04/16/91
5,008,650 07/410,641 04/16/91
5,008,653 07/455,577 04/16/91
5,008,661 07/293,505 04/16/91
5,008,673 07/314,148 04/16/91
5,008,674 07/362,981 04/16/91
5,008,681 07/536,043 04/16/91
5,008,682 07/583,667 04/16/91
5,008,687 07/309,343 04/16/91
5,008,699 07/419,967 04/16/91
5,008,704 07/337,738 04/16/91
5,008,708 07/468,235 04/16/91
5,008,721 07/494,042 04/16/91
5,008,722 07/363,366 04/16/91
5,008,729 07/415,445 04/16/91
5,008,736 07/438,382 04/16/91
5,008,737 07/255,259 04/16/91
5,008,749 07/487,533 04/16/91
5,008,751 07/477,293 04/16/91
5,008,752 07/368,458 04/16/91
5,008,767 07/299,536 04/16/91
5,008,774 07/317,258 04/16/91
5,008,781 07/433,308 04/16/91
5,008,786 06/932,813 04/16/91
5,008,788 07/502,977 04/16/91
5,008,791 07/555,250 04/16/91
5,008,795 07/498,863 04/16/91
5,008,796 07/533,973 04/16/91
5,008,797 07/453,974 04/16/91
5,008,804 07/574,852 04/16/91
5,008,806 07/290,288 04/16/91
5,008,807 07/517,979 04/16/91
5,008,811 07/154,688 04/16/91
5,008,815 07/184,739 04/16/91
5,008,816 07/117,715 04/16/91
5,008,818 07/342,085 04/16/91
5,008,823 07/491,204 04/16/91
5,008,836 07/382,359 04/16/91
5,008,839 07/312,079 04/16/91
5,008,843 07/289,325 04/16/91
5,008,846 07/441,757 04/16/91
5,008,848 07/358,982 04/16/91
5,008,849 07/345,391 04/16/91
5,008,851 07/328,637 04/16/91
5,008,859 07/281,139 04/16/91
5,008,860 07/336,452 04/16/91
5,008,867 07/555,604 04/16/91
5,008,883 07/339,275 04/16/91
5,008,885 07/291,544 04/16/91
5,008,892 07/457,251 04/16/91
5,008,895 07/475,232 04/16/91
5,008,896 07/037,261 04/16/91
5,008,897 07/498,869 04/16/91
5,008,909 07/476,184 04/16/91
5,008,910 07/474,320 04/16/91
5,008,913 07/107,872 04/16/91
5,008,946 07/242,441 04/16/91
5,008,948 07/173,617 04/16/91
5,008,957 07/318,710 04/16/91
PATENTS WHICH EXPIRED ON APRIL 18, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,406,645 08/086,646 04/18/95
5,406,646 08/134,568 04/18/95
5,406,647 08/124,406 04/18/95
5,406,651 08/225,335 04/18/95
5,406,655 08/055,191 04/18/95
5,406,657 08/134,281 04/18/95
5,406,658 08/058,500 04/18/95
5,406,659 08/179,148 04/18/95
5,406,660 08/207,303 04/18/95
5,406,663 08/139,423 04/18/95
5,406,671 08/202,268 04/18/95
5,406,672 08/235,880 04/18/95
5,406,677 08/105,337 04/18/95
5,406,680 08/098,518 04/18/95
5,406,684 08/089,935 04/18/95
5,406,695 08/144,743 04/18/95
5,406,705 08/190,970 04/18/95
5,406,708 08/058,635 04/18/95
5,406,711 08/043,156 04/18/95
5,406,713 07/826,513 04/18/95
5,406,722 08/295,496 04/18/95
5,406,724 08/290,569 04/18/95
5,406,726 08/265,454 04/18/95
5,406,730 08/282,815 04/18/95
5,406,732 08/210,807 04/18/95
5,406,734 08/176,252 04/18/95
5,406,736 08/213,421 04/18/95
5,406,737 08/190,939 04/18/95
5,406,738 08/177,372 04/18/95
5,406,741 08/147,960 04/18/95
5,406,746 08/191,233 04/18/95
5,406,753 08/077,894 04/18/95
5,406,755 08/223,576 04/18/95
5,406,757 08/184,241 04/18/95
5,406,758 07/980,191 04/18/95
5,406,759 08/101,864 04/18/95
5,406,763 08/208,083 04/18/95
5,406,769 07/900,589 04/18/95
5,406,777 08/094,622 04/18/95
5,406,781 08/072,711 04/18/95
5,406,782 08/034,141 04/18/95
5,406,784 08/157,575 04/18/95
5,406,791 08/114,771 04/18/95
5,406,804 08/154,602 04/18/95
5,406,810 08/145,102 04/18/95
5,406,811 08/067,896 04/18/95
5,406,812 08/242,970 04/18/95
5,406,813 08/181,207 04/18/95
5,406,814 08/039,917 04/18/95
5,406,816 08/101,616 04/18/95
5,406,819 07/998,722 04/18/95
5,406,827 08/057,878 04/18/95
5,406,851 08/100,734 04/18/95
5,406,856 08/218,044 04/18/95
5,406,858 08/139,655 04/18/95
5,406,859 08/010,678 04/18/95
5,406,863 08/129,165 04/18/95
5,406,865 08/137,564 04/18/95
5,406,869 08/122,913 04/18/95
5,406,891 08/018,073 04/18/95
5,406,892 08/213,925 04/18/95
5,406,899 08/128,526 04/18/95
5,406,903 08/286,590 04/18/95
5,406,908 08/031,641 04/18/95
5,406,916 07/955,870 04/18/95
5,406,922 08/177,182 04/18/95
5,406,934 08/035,845 04/18/95
5,406,940 08/111,628 04/18/95
5,406,948 08/140,169 04/18/95
5,406,964 08/183,779 04/18/95
5,406,966 08/151,145 04/18/95
5,406,967 08/068,056 04/18/95
5,406,968 08/219,788 04/18/95
5,406,969 08/104,152 04/18/95
5,406,971 08/075,776 04/18/95
5,406,973 08/204,338 04/18/95
5,406,975 08/201,386 04/18/95
5,406,978 08/182,336 04/18/95
5,406,985 08/095,329 04/18/95
5,406,987 08/152,169 04/18/95
5,406,992 08/049,005 04/18/95
5,406,997 08/236,181 04/18/95
5,407,008 08/125,710 04/18/95
5,407,013 08/034,968 04/18/95
5,407,014 08/037,846 04/18/95
5,407,015 08/012,143 04/18/95
5,407,016 08/039,399 04/18/95
5,407,017 08/179,853 04/18/95
5,407,020 08/053,939 04/18/95
5,407,023 08/186,600 04/18/95
5,407,029 08/146,671 04/18/95
5,407,033 07/930,674 04/18/95
5,407,035 08/203,917 04/18/95
5,407,040 08/200,344 04/18/95
5,407,043 08/047,194 04/18/95
5,407,045 08/273,952 04/18/95
5,407,047 08/101,466 04/18/95
5,407,050 08/108,708 04/18/95
5,407,055 08/153,202 04/18/95
5,407,059 08/238,620 04/18/95
5,407,069 08/186,610 04/18/95
5,407,070 08/108,995 04/18/95
5,407,073 08/130,458 04/18/95
5,407,077 08/194,497 04/18/95
5,407,085 08/104,746 04/18/95
5,407,091 08/220,113 04/18/95
5,407,095 08/250,611 04/18/95
5,407,096 08/096,950 04/18/95
5,407,097 08/124,956 04/18/95
5,407,099 07/961,684 04/18/95
5,407,100 08/178,513 04/18/95
5,407,104 08/137,133 04/18/95
5,407,105 08/211,332 04/18/95
5,407,106 08/130,591 04/18/95
5,407,111 08/175,226 04/18/95
5,407,112 08/078,900 04/18/95
5,407,113 08/191,936 04/18/95
5,407,117 08/092,915 04/18/95
5,407,125 08/021,299 04/18/95
5,407,139 08/038,514 04/18/95
5,407,150 08/037,118 04/18/95
5,407,158 08/174,780 04/18/95
5,407,160 08/073,721 04/18/95
5,407,162 08/112,932 04/18/95
5,407,168 08/189,598 04/18/95
5,407,176 08/209,701 04/18/95
5,407,179 07/887,875 04/18/95
5,407,182 08/140,443 04/18/95
5,407,183 08/203,354 04/18/95
5,407,194 08/254,699 04/18/95
5,407,204 08/219,704 04/18/95
5,407,207 08/151,953 04/18/95
5,407,208 08/279,543 04/18/95
5,407,210 08/151,913 04/18/95
5,407,211 08/131,408 04/18/95
5,407,214 07/815,706 04/18/95
5,407,215 08/175,571 04/18/95
5,407,216 08/192,600 04/18/95
5,407,224 08/228,600 04/18/95
5,407,237 08/025,213 04/18/95
5,407,245 07/679,053 04/18/95
5,407,246 08/130,206 04/18/95
5,407,250 08/077,113 04/18/95
5,407,255 08/179,311 04/18/95
5,407,261 08/118,603 04/18/95
5,407,274 08/199,928 04/18/95
5,407,276 08/107,525 04/18/95
5,407,277 08/156,456 04/18/95
5,407,279 08/174,409 04/18/95
5,407,280 08/084,940 04/18/95
5,407,284 08/163,119 04/18/95
5,407,287 07/591,274 04/18/95
5,407,300 08/130,526 04/18/95
5,407,301 07/991,313 04/18/95
5,407,303 08/032,795 04/18/95
5,407,312 08/130,769 04/18/95
5,407,332 07/831,952 04/18/95
5,407,333 08/134,663 04/18/95
5,407,337 08/249,155 04/18/95
5,407,342 08/119,301 04/18/95
5,407,344 08/089,186 04/18/95
5,407,354 08/162,682 04/18/95
5,407,356 07/801,603 04/18/95
5,407,362 08/094,652 04/18/95
5,407,366 08/252,425 04/18/95
5,407,370 08/175,064 04/18/95
5,407,374 08/155,593 04/18/95
5,407,377 07/890,125 04/18/95
5,407,378 08/097,062 04/18/95
5,407,380 08/160,043 04/18/95
5,407,386 08/013,389 04/18/95
5,407,391 08/062,305 04/18/95
5,407,393 08/160,773 04/18/95
5,407,394 08/058,552 04/18/95
5,407,395 08/250,003 04/18/95
5,407,398 07/963,576 04/18/95
5,407,402 08/097,441 04/18/95
5,407,403 08/118,612 04/18/95
5,407,404 08/130,905 04/18/95
5,407,405 08/022,044 04/18/95
5,407,406 08/077,101 04/18/95
5,407,407 08/174,193 04/18/95
5,407,409 08/326,998 04/18/95
5,407,413 08/001,173 04/18/95
5,407,414 08/237,296 04/18/95
5,407,419 08/014,592 04/18/95
5,407,421 08/246,345 04/18/95
5,407,426 08/152,589 04/18/95
5,407,434 08/186,943 04/18/95
5,407,437 08/185,872 04/18/95
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