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 August 25, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Application Issue
Number Number Date
4,688,271 06/944,369 08/25/87
4,688,277 06/831,319 08/25/87
4,688,280 06/921,140 08/25/87
4,688,281 06/922,993 08/25/87
4,688,288 06/885,105 08/25/87
4,688,290 06/811,500 08/25/87
4,688,295 06/720,511 08/25/87
4,688,297 06/803,092 08/25/87
4,688,301 06/860,130 08/25/87
4,688,305 06/727,358 08/25/87
4,688,306 06/907,121 08/25/87
4,688,312 06/942,297 08/25/87
4,688,321 06/797,738 08/25/87
4,688,324 06/928,243 08/25/87
4,688,344 06/878,785 08/25/87
4,688,360 06/731,405 08/25/87
4,688,364 06/931,923 08/25/87
4,688,386 06/827,094 08/25/87
4,688,396 06/803,657 08/25/87
4,688,409 06/873,256 08/25/87
4,688,419 06/943,679 08/25/87
4,688,420 06/870,865 08/25/87
4,688,425 06/830,880 08/25/87
4,688,428 06/843,906 08/25/87
4,688,430 06/799,424 08/25/87
4,688,434 06/848,289 08/25/87
4,688,444 06/862,261 08/25/87
4,688,456 06/853,729 08/25/87
4,688,472 06/925,939 08/25/87
4,688,483 06/712,367 08/25/87
4,688,484 06/859,043 08/25/87
4,688,487 06/830,970 08/25/87
4,688,491 06/904,462 08/25/87
4,688,493 06/625,835 08/25/87
4,688,494 06/886,384 08/25/87
4,688,501 06/860,224 08/25/87
4,688,505 06/791,593 08/25/87
4,688,510 06/896,232 08/25/87
4,688,513 06/607,278 08/25/87
4,688,514 06/890,180 08/25/87
4,688,521 06/868,055 08/25/87
4,688,527 06/846,181 08/25/87
4,688,530 06/822,072 08/25/87
4,688,537 06/928,516 08/25/87
4,688,557 06/797,648 08/25/87
4,688,562 06/772,637 08/25/87
4,688,568 06/828,780 08/25/87
4,688,578 06/590,287 08/25/87
4,688,579 06/742,603 08/25/87
4,688,583 06/812,322 08/25/87
4,688,590 06/876,507 08/25/87
4,688,593 06/809,645 08/25/87
4,688,595 06/831,362 08/25/87
4,688,596 06/870,995 08/25/87
4,688,609 06/817,761 08/25/87
4,688,620 06/849,358 08/25/87
4,688,621 06/873,303 08/25/87
4,688,626 06/749,552 08/25/87
4,688,641 06/889,539 08/25/87
4,688,648 06/737,642 08/25/87
4,688,649 06/797,400 08/25/87
4,688,656 06/751,868 08/25/87
4,688,658 06/769,504 08/25/87
4,688,674 06/871,302 08/25/87
4,688,677 06/467,279 08/25/87
4,688,690 06/837,176 08/25/87
4,688,691 06/821,477 08/25/87
4,688,701 06/873,384 08/25/87
4,688,718 06/840,052 08/25/87
4,688,722 06/646,734 08/25/87
4,688,729 06/740,961 08/25/87
4,688,730 06/800,720 08/25/87
4,688,732 06/896,800 08/25/87
4,688,733 06/799,741 08/25/87
4,688,734 06/865,986 08/25/87
4,688,736 06/818,532 08/25/87
4,688,741 06/927,470 08/25/87
4,688,747 06/822,525 08/25/87
4,688,754 06/887,234 08/25/87
4,688,755 06/705,093 08/25/87
4,688,757 06/895,076 08/25/87
4,688,759 06/873,152 08/25/87
4,688,767 06/901,320 08/25/87
4,688,773 06/847,954 08/25/87
4,688,777 06/793,930 08/25/87
4,688,778 06/537,270 08/25/87
4,688,780 06/846,663 08/25/87
4,688,782 06/681,048 08/25/87
4,688,801 06/778,945 08/25/87
4,688,804 06/652,076 08/25/87
4,688,808 06/828,594 08/25/87
4,688,820 06/828,952 08/25/87
4,688,825 06/859,832 08/25/87
4,688,826 06/866,808 08/25/87
4,688,831 06/736,053 08/25/87
4,688,835 06/673,709 08/25/87
4,688,836 06/785,201 08/25/87
4,688,837 06/807,856 08/25/87
4,688,844 06/724,314 08/25/87
4,688,848 06/858,073 08/25/87
4,688,859 06/757,534 08/25/87
4,688,868 06/863,204 08/25/87
4,688,879 06/752,734 08/25/87
4,688,891 06/685,902 08/25/87
4,688,895 06/660,760 08/25/87
4,688,898 06/697,882 08/25/87
4,688,899 06/754,397 08/25/87
4,688,901 06/619,576 08/25/87
4,688,902 06/799,446 08/25/87
4,688,903 06/746,623 08/25/87
4,688,907 06/818,527 08/25/87
4,688,909 06/732,283 08/25/87
4,688,916 06/830,755 08/25/87
4,688,921 06/894,959 08/25/87
4,688,926 06/818,928 08/25/87
4,688,936 06/707,156 08/25/87
4,688,938 06/804,440 08/25/87
4,688,944 06/767,858 08/25/87
4,688,952 06/362,869 08/25/87
4,688,956 06/924,121 08/25/87
4,688,957 06/798,622 08/25/87
4,688,958 06/923,403 08/25/87
4,688,964 06/878,850 08/25/87
4,688,966 06/866,658 08/25/87
4,688,967 06/619,151 08/25/87
4,688,972 06/844,384 08/25/87
4,688,973 06/696,655 08/25/87
4,688,979 06/749,747 08/25/87
4,688,990 06/527,913 08/25/87
4,688,992 06/694,889 08/25/87
4,688,993 06/714,590 08/25/87
4,689,004 06/840,401 08/25/87
4,689,011 06/802,244 08/25/87
4,689,025 06/752,362 08/25/87
4,689,036 06/851,002 08/25/87
4,689,039 06/881,117 08/25/87
4,689,054 06/816,891 08/25/87
4,689,056 06/902,014 08/25/87
4,689,064 06/921,075 08/25/87
4,689,067 06/803,575 08/25/87
4,689,071 06/859,271 08/25/87
4,689,079 06/796,937 08/25/87
4,689,099 06/826,277 08/25/87
4,689,103 06/798,871 08/25/87
4,689,104 06/747,635 08/25/87
4,689,111 06/923,977 08/25/87
4,689,113 06/842,576 08/25/87
4,689,128 06/736,975 08/25/87
4,689,133 06/871,734 08/25/87
4,689,140 06/876,242 08/25/87
4,689,141 06/849,771 08/25/87
4,689,143 06/834,291 08/25/87
4,689,152 06/859,178 08/25/87
4,689,153 06/763,051 08/25/87
4,689,162 06/785,932 08/25/87
4,689,167 06/823,910 08/25/87
4,689,168 06/721,268 08/25/87
4,689,171 06/774,112 08/25/87
4,689,173 06/872,571 08/25/87
4,689,180 06/794,324 08/25/87
4,689,183 06/803,188 08/25/87
4,689,189 06/907,440 08/25/87
4,689,195 06/635,927 08/25/87
4,689,197 06/848,211 08/25/87
4,689,198 06/786,960 08/25/87
4,689,207 06/708,629 08/25/87
4,689,241 06/829,628 08/25/87
4,689,243 06/783,227 08/25/87
4,689,244 06/860,788 08/25/87
4,689,247 06/863,929 08/25/87
4,689,257 06/710,869 08/25/87
4,689,260 06/782,839 08/25/87
4,689,263 06/644,254 08/25/87
4,689,266 06/886,108 08/25/87
4,689,272 06/702,257 08/25/87
4,689,277 06/804,767 08/25/87
4,689,279 06/472,790 08/25/87
4,689,285 06/772,750 08/25/87
4,689,293 06/677,985 08/25/87
4,689,301 06/622,168 08/25/87
4,689,302 06/595,954 08/25/87
4,689,316 06/826,154 08/25/87
4,689,322 06/696,632 08/25/87
4,689,325 06/919,344 08/25/87
4,689,336 06/783,982 08/25/87
4,689,340 06/797,943 08/25/87
4,689,341 06/881,760 08/25/87
4,689,342 06/554,092 08/25/87
4,689,347 06/786,703 08/25/87
4,689,348 06/641,810 08/25/87
4,689,362 06/881,542 08/25/87
4,689,365 06/860,265 08/25/87
4,689,370 06/870,261 08/25/87
4,689,373 06/790,930 08/25/87
4,689,376 06/808,176 08/25/87
4,689,377 06/838,818 08/25/87
4,689,386 06/893,541 08/25/87
4,689,393 06/829,470 08/25/87
4,689,395 06/828,430 08/25/87
4,689,396 06/771,517 08/25/87
4,689,400 06/749,681 08/25/87
4,689,414 06/832,184 08/25/87
4,689,416 06/883,170 08/25/87
4,689,419 06/930,616 08/25/87
4,689,436 06/861,180 08/25/87
4,689,440 06/835,400 08/25/87
4,689,443 06/810,444 08/25/87
4,689,444 06/889,658 08/25/87
4,689,449 06/915,230 08/25/87
4,689,466 06/721,628 08/25/87
4,689,467 06/641,979 08/25/87
4,689,468 06/827,726 08/25/87
4,689,474 06/918,640 08/25/87
4,689,477 06/782,782 08/25/87
4,689,485 06/618,000 08/25/87
4,689,487 06/771,033 08/25/87
4,689,496 06/716,412 08/25/87
4,689,498 06/803,777 08/25/87
4,689,500 06/864,368 08/25/87
4,689,504 06/811,227 08/25/87
4,689,505 06/930,165 08/25/87
4,689,506 06/772,482 08/25/87
4,689,508 06/763,057 08/25/87
4,689,513 06/782,053 08/25/87
4,689,514 06/853,199 08/25/87
4,689,515 06/910,959 08/25/87
4,689,519 06/807,378 08/25/87
4,689,521 06/865,062 08/25/87
4,689,522 06/804,196 08/25/87
4,689,526 06/736,939 08/25/87
4,689,533 06/791,462 08/25/87
4,689,535 06/812,508 08/25/87
4,689,540 06/862,205 08/25/87
4,689,546 06/810,472 08/25/87
4,689,549 06/880,610 08/25/87
4,689,552 06/882,012 08/25/87
4,689,561 06/717,338 08/25/87
4,689,571 06/687,890 08/25/87
4,689,577 06/735,901 08/25/87
4,689,579 06/721,132 08/25/87
4,689,589 06/786,306 08/25/87
4,689,592 06/722,751 08/25/87
4,689,597 06/857,212 08/25/87
4,689,601 06/900,101 08/25/87
4,689,607 07/007,717 08/25/87
4,689,608 06/693,638 08/25/87
4,689,609 06/804,544 08/25/87
4,689,610 06/661,810 08/25/87
4,689,615 06/548,567 08/25/87
4,689,617 06/729,004 08/25/87
4,689,624 06/797,803 08/25/87
4,689,625 06/668,849 08/25/87
4,689,656 06/868,180 08/25/87
4,689,658 06/536,324 08/25/87
4,689,669 06/802,188 08/25/87
4,689,670 06/693,168 08/25/87
4,689,672 06/907,272 08/25/87
4,689,673 06/872,780 08/25/87
4,689,674 06/780,146 08/25/87
4,689,678 06/670,157 08/25/87
4,689,684 06/783,658 08/25/87
4,689,696 06/739,534 08/25/87
4,689,715 06/884,009 08/25/87
4,689,731 06/894,165 08/25/87
4,689,733 06/878,322 08/25/87
4,689,736 06/614,176 08/25/87
4,689,742 06/861,612 08/25/87
4,689,743 06/828,347 08/25/87
4,689,747 06/746,790 08/25/87
4,689,750 06/752,076 08/25/87
4,689,756 06/744,601 08/25/87
4,689,764 06/842,072 08/25/87
4,689,766 06/672,307 08/25/87
4,689,771 06/835,679 08/25/87
4,689,777 06/256,176 08/25/87
4,689,788 06/795,140 08/25/87
4,689,792 06/772,117 08/25/87
PATENTS WHICH EXPIRED ON August 20, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,040,245 07/506,668 08/20/91
5,040,251 07/553,856 08/20/91
5,040,255 07/534,120 08/20/91
5,040,256 07/548,594 08/20/91
5,040,257 07/537,350 08/20/91
5,040,259 07/409,775 08/20/91
5,040,261 07/429,741 08/20/91
5,040,263 07/600,726 08/20/91
5,040,268 07/414,286 08/20/91
5,040,278 07/650,976 08/20/91
5,040,281 07/491,292 08/20/91
5,040,282 07/367,042 08/20/91
5,040,283 07/387,263 08/20/91
5,040,287 07/368,495 08/20/91
5,040,290 07/456,485 08/20/91
5,040,294 07/471,059 08/20/91
5,040,295 07/581,577 08/20/91
5,040,297 07/444,534 08/20/91
5,040,298 07/372,375 08/20/91
5,040,300 07/603,390 08/20/91
5,040,301 07/475,015 08/20/91
5,040,302 07/548,485 08/20/91
5,040,304 07/515,590 08/20/91
5,040,307 07/518,921 08/20/91
5,040,311 07/515,232 08/20/91
5,040,313 07/472,224 08/20/91
5,040,317 07/224,309 08/20/91
5,040,318 07/087,963 08/20/91
5,040,321 07/543,538 08/20/91
5,040,330 07/535,511 08/20/91
5,040,336 06/818,944 08/20/91
5,040,337 07/444,047 08/20/91
5,040,343 07/556,458 08/20/91
5,040,344 07/531,294 08/20/91
5,040,345 07/515,584 08/20/91
5,040,354 07/530,651 08/20/91
5,040,358 07/560,182 08/20/91
5,040,359 07/559,258 08/20/91
5,040,362 07/541,884 08/20/91
5,040,364 07/483,663 08/20/91
5,040,366 07/296,241 08/20/91
5,040,368 07/583,473 08/20/91
5,040,372 07/487,945 08/20/91
5,040,382 07/540,186 08/20/91
5,040,385 07/425,689 08/20/91
5,040,386 07/552,748 08/20/91
5,040,390 07/437,243 08/20/91
5,040,401 07/561,889 08/20/91
5,040,404 07/606,388 08/20/91
5,040,407 07/644,641 08/20/91
5,040,408 07/348,396 08/20/91
5,040,410 07/435,705 08/20/91
5,040,412 07/460,941 08/20/91
5,040,413 07/521,418 08/20/91
5,040,418 07/573,869 08/20/91
5,040,421 07/608,935 08/20/91
5,040,422 07/485,203 08/20/91
5,040,428 07/494,314 08/20/91
5,040,429 07/628,613 08/20/91
5,040,432 07/458,341 08/20/91
5,040,434 07/448,483 08/20/91
5,040,437 07/580,960 08/20/91
5,040,441 07/412,833 08/20/91
5,040,442 07/573,391 08/20/91
5,040,445 07/517,031 08/20/91
5,040,449 07/621,069 08/20/91
5,040,452 07/522,130 08/20/91
5,040,462 07/431,088 08/20/91
5,040,463 07/413,949 08/20/91
5,040,467 07/577,061 08/20/91
5,040,471 07/557,910 08/20/91
5,040,487 07/518,670 08/20/91
5,040,489 07/479,059 08/20/91
5,040,496 07/440,194 08/20/91
5,040,497 07/474,530 08/20/91
5,040,498 07/448,925 08/20/91
5,040,502 07/544,846 08/20/91
5,040,509 07/526,654 08/20/91
5,040,513 07/499,301 08/20/91
5,040,522 07/620,036 08/20/91
5,040,533 07/458,599 08/20/91
5,040,551 07/265,882 08/20/91
5,040,558 07/606,226 08/20/91
5,040,565 07/425,174 08/20/91
5,040,568 07/551,718 08/20/91
5,040,572 07/337,763 08/20/91
5,040,587 07/490,090 08/20/91
5,040,590 07/554,917 08/20/91
5,040,593 07/364,231 08/20/91
5,040,594 07/375,148 08/20/91
5,040,598 07/565,218 08/20/91
5,040,605 07/546,518 08/20/91
5,040,607 07/350,671 08/20/91
5,040,608 07/507,742 08/20/91
5,040,612 07/576,973 08/20/91
5,040,614 07/612,988 08/20/91
5,040,618 07/566,112 08/20/91
5,040,632 07/215,570 08/20/91
5,040,633 07/447,627 08/20/91
5,040,634 07/470,189 08/20/91
5,040,641 07/498,426 08/20/91
5,040,645 07/460,297 08/20/91
5,040,646 07/436,279 08/20/91
5,040,650 07/483,134 08/20/91
5,040,658 07/365,178 08/20/91
5,040,667 07/484,861 08/20/91
5,040,668 07/658,240 08/20/91
5,040,670 07/622,398 08/20/91
5,040,675 07/525,676 08/20/91
5,040,679 07/504,857 08/20/91
5,040,680 07/571,028 08/20/91
5,040,682 07/495,853 08/20/91
5,040,686 07/518,808 08/20/91
5,040,689 07/527,280 08/20/91
5,040,721 07/514,617 08/20/91
5,040,723 07/441,636 08/20/91
5,040,725 07/453,018 08/20/91
5,040,726 07/542,960 08/20/91
5,040,729 07/480,713 08/20/91
5,040,732 07/551,920 08/20/91
5,040,735 07/486,539 08/20/91
5,040,738 07/497,924 08/20/91
5,040,739 07/464,048 08/20/91
5,040,746 07/567,028 08/20/91
5,040,747 07/484,498 08/20/91
5,040,757 07/595,603 08/20/91
5,040,761 07/591,077 08/20/91
5,040,762 07/469,395 08/20/91
5,040,763 07/393,128 08/20/91
5,040,768 07/459,350 08/20/91
5,040,773 07/399,957 08/20/91
5,040,777 07/425,789 08/20/91
5,040,778 07/553,993 08/20/91
5,040,779 07/368,839 08/20/91
5,040,782 07/116,178 08/20/91
5,040,784 07/458,470 08/20/91
5,040,791 07/325,902 08/20/91
5,040,793 07/557,044 08/20/91
5,040,796 07/591,368 08/20/91
5,040,801 07/615,127 08/20/91
5,040,806 07/558,685 08/20/91
5,040,807 07/493,605 08/20/91
5,040,812 07/462,082 08/20/91
5,040,817 07/538,919 08/20/91
5,040,820 07/362,685 08/20/91
5,040,821 07/508,463 08/20/91
5,040,822 07/307,990 08/20/91
5,040,826 07/509,285 08/20/91
5,040,827 07/547,297 08/20/91
5,040,829 07/345,633 08/20/91
5,040,831 07/464,365 08/20/91
5,040,832 07/490,086 08/20/91
5,040,839 07/475,913 08/20/91
5,040,840 07/547,978 08/20/91
5,040,863 07/403,491 08/20/91
5,040,864 07/612,343 08/20/91
5,040,880 07/409,590 08/20/91
5,040,882 07/524,891 08/20/91
5,040,884 07/560,568 08/20/91
5,040,885 07/208,456 08/20/91
5,040,887 07/556,110 08/20/91
5,040,892 07/515,125 08/20/91
5,040,895 07/440,267 08/20/91
5,040,903 07/413,951 08/20/91
5,040,906 07/503,526 08/20/91
5,040,910 06/813,027 08/20/91
5,040,918 07/512,876 08/20/91
5,040,920 07/507,204 08/20/91
5,040,921 07/533,024 08/20/91
5,040,922 07/543,725 08/20/91
5,040,930 07/485,196 08/20/91
5,040,948 07/499,170 08/20/91
5,040,950 07/390,220 08/20/91
5,040,952 07/486,424 08/20/91
5,040,954 07/537,614 08/20/91
5,040,955 07/541,238 08/20/91
5,040,961 07/417,980 08/20/91
5,040,962 07/453,426 08/20/91
5,040,965 07/498,118 08/20/91
5,040,966 07/433,745 08/20/91
5,040,968 07/315,460 08/20/91
5,040,972 07/476,264 08/20/91
5,040,973 07/519,085 08/20/91
5,040,976 07/484,691 08/20/91
5,040,988 07/528,836 08/20/91
5,040,998 07/668,314 08/20/91
5,041,003 07/558,936 08/20/91
5,041,025 07/473,010 08/20/91
5,041,027 07/383,934 08/20/91
5,041,036 07/491,959 08/20/91
5,041,040 07/561,170 08/20/91
5,041,041 07/663,185 08/20/91
5,041,042 07/452,815 08/20/91
5,041,050 07/628,416 08/20/91
5,041,061 07/630,215 08/20/91
5,041,068 07/488,355 08/20/91
5,041,072 07/420,887 08/20/91
5,041,073 07/521,811 08/20/91
5,041,074 07/421,135 08/20/91
5,041,087 07/531,864 08/20/91
5,041,094 07/350,588 08/20/91
5,041,097 07/485,285 08/20/91
5,041,106 07/484,837 08/20/91
5,041,128 07/532,960 08/20/91
5,041,131 07/517,461 08/20/91
5,041,146 07/477,880 08/20/91
5,041,147 07/623,837 08/20/91
5,041,155 07/455,894 08/20/91
5,041,156 07/369,557 08/20/91
5,041,157 07/461,602 08/20/91
5,041,165 06/767,005 08/20/91
5,041,169 07/462,036 08/20/91
5,041,170 07/435,142 08/20/91
5,041,176 07/589,755 08/20/91
5,041,180 07/474,557 08/20/91
5,041,182 07/584,727 08/20/91
5,041,190 07/524,072 08/20/91
5,041,198 07/592,829 08/20/91
5,041,203 07/393,084 08/20/91
5,041,205 07/586,670 08/20/91
5,041,209 07/378,933 08/20/91
5,041,216 07/392,507 08/20/91
5,041,221 07/403,937 08/20/91
5,041,225 07/550,843 08/20/91
5,041,229 07/615,421 08/20/91
5,041,230 07/480,425 08/20/91
5,041,245 07/321,637 08/20/91
5,041,257 07/535,770 08/20/91
5,041,259 07/421,093 08/20/91
5,041,262 07/418,427 08/20/91
5,041,276 07/468,943 08/20/91
5,041,284 07/404,742 08/20/91
5,041,286 07/385,283 08/20/91
5,041,290 07/353,150 08/20/91
5,041,301 07/476,356 08/20/91
5,041,302 07/489,770 08/20/91
5,041,303 07/165,047 08/20/91
5,041,324 07/341,811 08/20/91
5,041,338 07/442,689 08/20/91
5,041,346 07/460,867 08/20/91
5,041,356 07/397,372 08/20/91
5,041,358 07/339,049 08/20/91
5,041,361 07/457,852 08/20/91
5,041,384 07/530,381 08/20/91
5,041,387 06/882,638 08/20/91
5,041,390 07/258,528 08/20/91
5,041,394 07/634,970 08/20/91
5,041,407 07/450,634 08/20/91
5,041,419 07/517,016 08/20/91
5,041,420 07/067,510 08/20/91
5,041,429 07/354,553 08/20/91
5,041,430 07/408,394 08/20/91
5,041,432 07/589,012 08/20/91
5,041,436 07/482,806 08/20/91
5,041,437 07/428,240 08/20/91
5,041,440 07/396,665 08/20/91
5,041,441 07/176,920 08/20/91
5,041,447 07/325,230 08/20/91
5,041,448 07/323,250 08/20/91
5,041,450 07/213,061 08/20/91
5,041,451 07/440,883 08/20/91
5,041,452 07/414,157 08/20/91
5,041,456 07/552,395 08/20/91
5,041,462 07/476,515 08/20/91
5,041,470 07/318,208 08/20/91
5,041,471 07/604,999 08/20/91
5,041,476 07/325,257 08/20/91
5,041,483 07/176,963 08/20/91
5,041,484 07/540,836 08/20/91
5,041,486 07/373,401 08/20/91
5,041,487 07/387,933 08/20/91
5,041,489 07/463,724 08/20/91
5,041,491 07/429,318 08/20/91
5,041,493 07/437,538 08/20/91
5,041,495 07/563,664 08/20/91
5,041,518 07/478,365 08/20/91
5,041,535 07/123,124 08/20/91
5,041,540 07/431,383 08/20/91
5,041,545 07/334,661 08/20/91
5,041,548 07/071,268 08/20/91
5,041,558 07/036,886 08/20/91
5,041,564 07/509,431 08/20/91
5,041,567 07/276,910 08/20/91
5,041,569 07/466,503 08/20/91
5,041,575 07/580,413 08/20/91
5,041,579 07/257,899 08/20/91
5,041,588 07/374,847 08/20/91
5,041,592 07/359,696 08/20/91
5,041,594 07/555,218 08/20/91
5,041,601 07/418,067 08/20/91
5,041,602 07/501,220 08/20/91
5,041,608 07/366,502 08/20/91
5,041,613 07/399,790 08/20/91
5,041,618 07/367,630 08/20/91
5,041,624 07/416,835 08/20/91
5,041,625 07/560,642 08/20/91
5,041,631 07/591,364 08/20/91
5,041,634 07/278,395 08/20/91
5,041,642 06/814,807 08/20/91
5,041,648 07/468,288 08/20/91
5,041,656 07/565,900 08/20/91
5,041,657 07/555,277 08/20/91
5,041,659 07/515,148 08/20/91
5,041,660 07/602,391 08/20/91
5,041,662 07/488,497 08/20/91
5,041,663 07/626,080 08/20/91
5,041,665 07/278,397 08/20/91
5,041,666 07/082,265 08/20/91
5,041,669 07/598,486 08/20/91
5,041,677 07/500,752 08/20/91
5,041,679 07/292,258 08/20/91
5,041,685 07/424,289 08/20/91
5,041,686 07/546,034 08/20/91
5,041,687 07/199,197 08/20/91
5,041,689 07/372,479 08/20/91
5,041,694 07/421,021 08/20/91
5,041,697 07/439,959 08/20/91
5,041,702 07/398,603 08/20/91
5,041,704 07/471,480 08/20/91
5,041,715 07/551,489 08/20/91
5,041,723 07/589,766 08/20/91
5,041,725 07/553,698 08/20/91
5,041,728 07/450,716 08/20/91
5,041,729 07/261,420 08/20/91
5,041,742 07/520,904 08/20/91
5,041,743 07/558,308 08/20/91
5,041,749 07/511,251 08/20/91
5,041,758 07/503,351 08/20/91
5,041,761 07/582,272 08/20/91
5,041,770 07/437,100 08/20/91
5,041,778 07/380,445 08/20/91
5,041,779 07/570,926 08/20/91
5,041,780 07/243,808 08/20/91
5,041,782 07/410,116 08/20/91
5,041,794 07/616,436 08/20/91
5,041,798 07/537,389 08/20/91
5,041,804 07/555,526 08/20/91
5,041,812 07/522,417 08/20/91
5,041,813 07/536,153 08/20/91
5,041,814 07/540,785 08/20/91
5,041,822 07/453,924 08/20/91
5,041,833 07/534,328 08/20/91
5,041,840 07/037,905 08/20/91
5,041,842 07/510,866 08/20/91
5,041,847 07/570,397 08/20/91
5,041,871 07/601,998 08/20/91
5,041,878 07/456,864 08/20/91
5,041,883 07/590,370 08/20/91
5,041,890 07/427,256 08/20/91
5,041,892 07/522,826 08/20/91
5,041,897 07/599,333 08/20/91
5,041,899 07/362,525 08/20/91
5,041,900 07/366,556 08/20/91
5,041,902 07/450,763 08/20/91
5,041,904 07/327,594 08/20/91
5,041,909 07/568,640 08/20/91
5,041,911 07/449,162 08/20/91
5,041,918 07/545,500 08/20/91
5,041,920 07/436,856 08/20/91
5,041,926 07/434,654 08/20/91
5,041,928 07/422,499 08/20/91
5,041,930 07/457,974 08/20/91
5,041,947 07/541,191 08/20/91
5,041,956 07/478,804 08/20/91
5,041,961 07/345,105 08/20/91
5,041,972 07/181,784 08/20/91
5,041,974 07/263,789 08/20/91
5,041,980 07/533,209 08/20/91
5,041,985 07/330,086 08/20/91
5,041,991 07/324,254 08/20/91
5,041,993 07/474,662 08/20/91
5,041,997 07/390,570 08/20/91
5,042,008 07/509,892 08/20/91
5,042,014 07/427,156 08/20/91
5,042,021 07/497,738 08/20/91
5,042,031 07/505,768 08/20/91
5,042,034 07/427,549 08/20/91
5,042,037 07/387,792 08/20/91
5,042,038 07/338,744 08/20/91
5,042,042 07/342,788 08/20/91
5,042,044 07/513,508 08/20/91
5,042,046 07/489,282 08/20/91
5,042,051 07/525,008 08/20/91
5,042,056 07/461,974 08/20/91
5,042,061 07/565,486 08/20/91
5,042,067 07/497,910 08/20/91
5,042,073 07/543,887 08/20/91
5,042,075 07/570,628 08/20/91
5,042,080 07/330,829 08/20/91
PATENTS WHICH EXPIRED ON August 22, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,442,817 08/096,694 08/22/95
5,442,819 08/247,870 08/22/95
5,442,820 08/242,353 08/22/95
5,442,821 08/116,335 08/22/95
5,442,836 08/255,645 08/22/95
5,442,841 08/319,237 08/22/95
5,442,845 08/134,267 08/22/95
5,442,851 08/166,731 08/22/95
5,442,859 08/201,891 08/22/95
5,442,864 08/038,897 08/22/95
5,442,869 08/195,870 08/22/95
5,442,871 08/076,004 08/22/95
5,442,883 08/142,297 08/22/95
5,442,884 08/307,527 08/22/95
5,442,891 07/682,581 08/22/95
5,442,895 08/224,870 08/22/95
5,442,900 08/174,242 08/22/95
5,442,903 08/156,351 08/22/95
5,442,907 08/222,012 08/22/95
5,442,910 08/215,427 08/22/95
5,442,924 08/197,038 08/22/95
5,442,925 08/259,086 08/22/95
5,442,930 08/141,279 08/22/95
5,442,935 08/035,762 08/22/95
5,442,938 08/012,633 08/22/95
5,442,942 08/104,914 08/22/95
5,442,944 08/226,031 08/22/95
5,442,951 08/238,824 08/22/95
5,442,964 08/062,137 08/22/95
5,442,965 08/162,663 08/22/95
5,442,967 08/200,194 08/22/95
5,442,970 08/264,605 08/22/95
5,442,971 08/078,162 08/22/95
5,442,972 08/088,138 08/22/95
5,442,973 08/180,038 08/22/95
5,442,981 08/194,907 08/22/95
5,442,983 08/129,669 08/22/95
5,442,987 08/165,319 08/22/95
5,442,988 08/320,358 08/22/95
5,442,994 08/022,669 08/22/95
5,442,995 08/156,031 08/22/95
5,442,996 08/122,023 08/22/95
5,442,998 08/156,421 08/22/95
5,443,000 08/234,984 08/22/95
5,443,014 08/146,229 08/22/95
5,443,018 08/152,678 08/22/95
5,443,021 08/147,791 08/22/95
5,443,027 08/169,276 08/22/95
5,443,029 08/085,398 08/22/95
5,443,037 08/231,660 08/22/95
5,443,038 08/321,005 08/22/95
5,443,039 08/357,061 08/22/95
5,443,049 08/256,912 08/22/95
5,443,052 08/361,754 08/22/95
5,443,053 08/097,702 08/22/95
5,443,058 08/186,445 08/22/95
5,443,059 08/183,046 08/22/95
5,443,072 08/184,690 08/22/95
5,443,076 07/887,044 08/22/95
5,443,079 08/139,131 08/22/95
5,443,080 08/173,635 08/22/95
5,443,082 07/927,485 08/22/95
5,443,097 08/163,503 08/22/95
5,443,101 08/162,717 08/22/95
5,443,102 08/187,005 08/22/95
5,443,103 08/203,296 08/22/95
5,443,104 08/202,324 08/22/95
5,443,106 08/394,891 08/22/95
5,443,110 08/122,289 08/22/95
5,443,112 08/263,049 08/22/95
5,443,131 08/286,419 08/22/95
5,443,133 08/301,048 08/22/95
5,443,135 08/368,580 08/22/95
5,443,141 07/980,802 08/22/95
5,443,145 08/244,256 08/22/95
5,443,148 08/114,850 08/22/95
5,443,153 08/194,764 08/22/95
5,443,161 08/279,880 08/22/95
5,443,168 08/177,414 08/22/95
5,443,174 08/226,569 08/22/95
5,443,175 08/229,828 08/22/95
5,443,177 08/322,776 08/22/95
5,443,178 08/263,571 08/22/95
5,443,183 08/284,092 08/22/95
5,443,188 08/225,289 08/22/95
5,443,189 08/329,496 08/22/95
5,443,190 08/120,941 08/22/95
5,443,191 08/231,819 08/22/95
5,443,193 08/275,438 08/22/95
5,443,196 07/989,374 08/22/95
5,443,201 08/158,881 08/22/95
5,443,206 08/278,793 08/22/95
5,443,210 08/211,368 08/22/95
5,443,219 08/274,559 08/22/95
5,443,225 08/115,238 08/22/95
5,443,232 08/064,985 08/22/95
5,443,233 08/174,258 08/22/95
5,443,234 08/246,154 08/22/95
5,443,243 08/115,711 08/22/95
5,443,247 08/246,460 08/22/95
5,443,258 08/350,424 08/22/95
5,443,265 08/242,183 08/22/95
5,443,267 08/331,744 08/22/95
5,443,269 08/308,980 08/22/95
5,443,270 08/195,040 08/22/95
5,443,273 08/144,272 08/22/95
5,443,295 08/188,540 08/22/95
5,443,301 08/144,520 08/22/95
5,443,303 08/152,716 08/22/95
5,443,305 08/081,364 08/22/95
5,443,308 08/244,226 08/22/95
5,443,324 08/278,427 08/22/95
5,443,331 08/106,527 08/22/95
5,443,332 08/015,471 08/22/95
5,443,336 08/276,793 08/22/95
5,443,344 08/304,408 08/22/95
5,443,347 08/220,871 08/22/95
5,443,349 08/142,932 08/22/95
5,443,350 08/194,490 08/22/95
5,443,353 08/120,369 08/22/95
5,443,355 08/164,669 08/22/95
5,443,357 08/069,020 08/22/95
5,443,358 08/056,379 08/22/95
5,443,364 08/137,719 08/22/95
5,443,371 08/353,826 08/22/95
5,443,375 08/248,427 08/22/95
5,443,383 08/331,334 08/22/95
5,443,386 08/116,696 08/22/95
5,443,387 07/958,113 08/22/95
5,443,399 08/189,763 08/22/95
5,443,405 08/217,557 08/22/95
5,443,409 08/212,248 08/22/95
5,443,415 08/126,358 08/22/95
5,443,423 08/317,640 08/22/95
5,443,430 08/236,999 08/22/95
5,443,431 08/135,927 08/22/95
5,443,433 08/295,290 08/22/95
5,443,434 08/117,581 08/22/95
5,443,466 07/806,485 08/22/95
5,443,469 08/236,197 08/22/95
5,443,479 08/193,400 08/22/95
5,443,506 07/977,663 08/22/95
5,443,522 08/037,163 08/22/95
5,443,526 08/267,493 08/22/95
5,443,532 08/177,216 08/22/95
5,443,533 08/310,318 08/22/95
5,443,542 08/353,517 08/22/95
5,443,543 08/309,765 08/22/95
5,443,547 08/102,225 08/22/95
5,443,562 08/309,161 08/22/95
5,443,563 08/043,220 08/22/95
5,443,565 08/272,559 08/22/95
5,443,567 08/327,692 08/22/95
5,443,568 08/082,265 08/22/95
5,443,573 08/131,466 08/22/95
5,443,575 08/136,333 08/22/95
5,443,576 08/273,761 08/22/95
5,443,582 08/202,585 08/22/95
5,443,586 08/270,767 08/22/95
5,443,588 08/200,281 08/22/95
5,443,598 07/900,035 08/22/95
5,443,600 08/129,890 08/22/95
5,443,601 08/055,709 08/22/95
5,443,604 08/135,391 08/22/95
5,443,612 08/199,111 08/22/95
5,443,625 08/181,838 08/22/95
5,443,631 08/172,276 08/22/95
5,443,635 08/170,253 08/22/95
5,443,652 08/189,127 08/22/95
5,443,671 08/186,122 08/22/95
5,443,682 08/079,996 08/22/95
5,443,693 08/047,350 08/22/95
5,443,703 08/284,197 08/22/95
5,443,714 07/848,952 08/22/95
5,443,730 08/087,096 08/22/95
5,443,731 08/278,211 08/22/95
5,443,734 08/101,784 08/22/95
5,443,737 07/966,195 08/22/95
5,443,740 08/121,560 08/22/95
5,443,741 08/195,059 08/22/95
5,443,745 08/132,237 08/22/95
5,443,770 08/123,916 08/22/95
5,443,786 07/700,163 08/22/95
5,443,800 08/069,775 08/22/95
5,443,802 08/099,622 08/22/95
5,443,819 08/150,015 08/22/95
5,443,820 08/170,314 08/22/95
5,443,822 08/089,777 08/22/95
5,443,824 08/212,520 08/22/95
5,443,837 08/136,458 08/22/95
5,443,838 08/121,749 08/22/95
5,443,839 07/835,004 08/22/95
5,443,843 07/632,877 08/22/95
5,443,851 08/108,739 08/22/95
5,443,861 08/136,595 08/22/95
5,443,862 08/112,979 08/22/95
5,443,869 08/275,681 08/22/95
5,443,875 08/067,237 08/22/95
5,443,877 08/204,123 08/22/95
5,443,880 07/929,167 08/22/95
5,443,886 07/768,494 08/22/95
5,443,891 08/213,329 08/22/95
5,443,892 08/034,439 08/22/95
5,443,923 07/960,788 08/22/95
5,443,951 08/093,884 08/22/95
5,443,957 08/225,075 08/22/95
5,443,967 08/112,760 08/22/95
5,443,973 07/929,574 08/22/95
5,443,980 08/215,975 08/22/95
5,443,984 08/361,763 08/22/95
5,443,985 08/095,681 08/22/95
5,443,997 07/884,456 08/22/95
5,444,000 08/205,159 08/22/95
5,444,029 08/351,139 08/22/95
5,444,036 08/178,830 08/22/95
5,444,047 08/261,849 08/22/95
5,444,056 07/476,342 08/22/95
5,444,061 08/122,473 08/22/95
5,444,066 08/211,701 08/22/95
5,444,067 08/113,874 08/22/95
5,444,076 08/168,930 08/22/95
5,444,079 08/318,742 08/22/95
5,444,083 07/468,147 08/22/95
5,444,084 08/190,065 08/22/95
5,444,098 08/181,045 08/22/95
5,444,099 08/123,165 08/22/95
5,444,105 08/100,333 08/22/95
5,444,117 08/193,978 08/22/95
5,444,119 08/160,804 08/22/95
5,444,120 08/198,829 08/22/95
5,444,123 08/203,512 08/22/95
5,444,126 08/201,035 08/22/95
5,444,129 08/371,400 08/22/95
5,444,131 08/233,822 08/22/95
5,444,136 08/213,090 08/22/95
5,444,147 08/242,428 08/22/95
5,444,162 07/956,320 08/22/95
5,444,168 08/242,989 08/22/95
5,444,173 08/155,420 08/22/95
5,444,177 07/659,942 08/22/95
5,444,180 08/081,937 08/22/95
5,444,185 08/121,770 08/22/95
5,444,194 08/289,914 08/22/95
5,444,212 08/191,482 08/22/95
5,444,214 08/161,595 08/22/95
5,444,215 08/095,250 08/22/95
5,444,227 07/893,095 08/22/95
5,444,229 08/283,257 08/22/95
5,444,230 08/159,734 08/22/95
5,444,251 08/204,985 08/22/95
5,444,260 08/087,630 08/22/95
5,444,263 08/257,138 08/22/95
5,444,272 08/281,917 08/22/95
5,444,274 08/268,548 08/22/95
5,444,285 08/337,148 08/22/95
5,444,290 08/249,524 08/22/95
5,444,303 08/288,384 08/22/95
5,444,307 08/087,449 08/22/95
5,444,308 08/072,621 08/22/95
5,444,314 08/169,997 08/22/95
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