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
maintenance 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
applicable surcharge.
PATENTS WHICH EXPIRED ON July 4, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
4,843,664 07/120,374 07/04/89
4,843,670 07/130,126 07/04/89
4,843,679 07/175,940 07/04/89
4,843,681 07/215,980 07/04/89
4,843,684 07/020,623 07/04/89
4,843,698 07/137,109 07/04/89
4,843,704 07/095,233 07/04/89
4,843,706 07/107,611 07/04/89
4,843,711 07/229,582 07/04/89
4,843,717 07/250,852 07/04/89
4,843,718 07/230,970 07/04/89
4,843,723 07/155,791 07/04/89
4,843,725 07/060,453 07/04/89
4,843,734 07/171,846 07/04/89
4,843,746 07/142,511 07/04/89
4,843,748 07/236,020 07/04/89
4,843,760 07/066,503 07/04/89
4,843,763 07/024,527 07/04/89
4,843,781 07/122,520 07/04/89
4,843,791 07/114,579 07/04/89
4,843,800 07/116,815 07/04/89
4,843,812 07/219,453 07/04/89
4,843,817 07/122,340 07/04/89
4,843,820 07/187,720 07/04/89
4,843,823 07/204,636 07/04/89
4,843,828 07/183,470 07/04/89
4,843,836 07/232,762 07/04/89
4,843,851 07/099,937 07/04/89
4,843,852 07/203,947 07/04/89
4,843,853 07/216,004 07/04/89
4,843,856 07/112,395 07/04/89
4,843,860 07/202,894 07/04/89
4,843,864 07/180,364 07/04/89
4,843,870 07/224,548 07/04/89
4,843,874 07/173,070 07/04/89
4,843,881 07/137,955 07/04/89
4,843,885 07/168,975 07/04/89
4,843,889 07/192,804 07/04/89
4,843,898 07/168,772 07/04/89
4,843,902 07/208,798 07/04/89
4,843,903 07/113,431 07/04/89
4,843,906 07/136,318 07/04/89
4,843,908 07/200,162 07/04/89
4,843,928 07/109,954 07/04/89
4,843,929 07/114,753 07/04/89
4,843,939 07/274,467 07/04/89
4,843,943 07/114,080 07/04/89
4,843,948 07/104,955 07/04/89
4,843,953 07/197,424 07/04/89
4,843,957 07/222,962 07/04/89
4,843,961 07/025,322 07/04/89
4,843,969 07/142,967 07/04/89
4,843,974 07/154,090 07/04/89
4,843,977 06/552,095 07/04/89
4,843,978 07/077,737 07/04/89
4,843,990 07/142,065 07/04/89
4,843,994 07/254,310 07/04/89
4,844,020 07/168,421 07/04/89
4,844,021 07/245,364 07/04/89
4,844,024 07/213,868 07/04/89
4,844,025 07/250,921 07/04/89
4,844,031 07/280,685 07/04/89
4,844,034 07/190,096 07/04/89
4,844,036 07/237,030 07/04/89
4,844,043 07/158,331 07/04/89
4,844,045 07/199,515 07/04/89
4,844,048 07/155,029 07/04/89
4,844,057 07/121,393 07/04/89
4,844,060 07/132,062 07/04/89
4,844,087 07/215,798 07/04/89
4,844,095 07/132,602 07/04/89
4,844,096 07/174,578 07/04/89
4,844,098 07/112,864 07/04/89
4,844,100 07/095,415 07/04/89
4,844,103 07/133,007 07/04/89
4,844,115 07/264,831 07/04/89
4,844,122 07/240,735 07/04/89
4,844,124 07/187,616 07/04/89
4,844,143 07/173,295 07/04/89
4,844,145 07/116,559 07/04/89
4,844,147 07/157,119 07/04/89
4,844,152 07/092,656 07/04/89
4,844,153 07/064,242 07/04/89
4,844,162 07/139,582 07/04/89
4,844,169 07/286,586 07/04/89
4,844,171 07/171,894 07/04/89
4,844,179 07/079,779 07/04/89
4,844,186 07/215,378 07/04/89
4,844,189 07/272,621 07/04/89
4,844,201 07/044,078 07/04/89
4,844,206 07/134,639 07/04/89
4,844,215 07/253,734 07/04/89
4,844,216 07/178,395 07/04/89
4,844,219 07/069,363 07/04/89
4,844,224 07/184,634 07/04/89
4,844,225 07/184,635 07/04/89
4,844,226 06/883,639 07/04/89
4,844,227 07/178,636 07/04/89
4,844,237 07/157,968 07/04/89
4,844,253 07/244,057 07/04/89
4,844,255 07/040,378 07/04/89
4,844,257 07/169,443 07/04/89
4,844,263 07/158,291 07/04/89
4,844,264 07/185,056 07/04/89
4,844,268 07/180,392 07/04/89
4,844,271 07/131,229 07/04/89
4,844,278 07/128,469 07/04/89
4,844,281 07/252,664 07/04/89
4,844,285 07/081,294 07/04/89
4,844,288 07/220,427 07/04/89
4,844,315 07/001,249 07/04/89
4,844,318 07/240,681 07/04/89
4,844,322 07/108,667 07/04/89
4,844,326 07/254,097 07/04/89
4,844,327 07/268,664 07/04/89
4,844,329 07/213,883 07/04/89
4,844,351 07/171,458 07/04/89
4,844,356 07/144,014 07/04/89
4,844,367 06/936,399 07/04/89
4,844,375 07/204,829 07/04/89
4,844,381 07/178,206 07/04/89
4,844,387 06/948,309 07/04/89
4,844,388 07/169,086 07/04/89
4,844,392 07/122,193 07/04/89
4,844,401 07/212,845 07/04/89
4,844,407 07/205,352 07/04/89
4,844,412 07/134,760 07/04/89
4,844,413 06/642,285 07/04/89
4,844,415 07/147,563 07/04/89
4,844,425 07/182,411 07/04/89
4,844,427 07/150,969 07/04/89
4,844,432 07/137,246 07/04/89
4,844,436 07/178,364 07/04/89
4,844,440 07/207,343 07/04/89
4,844,457 07/149,433 07/04/89
4,844,461 07/123,807 07/04/89
4,844,464 07/116,553 07/04/89
4,844,481 07/177,065 07/04/89
4,844,483 07/249,559 07/04/89
4,844,492 07/174,138 07/04/89
4,844,503 07/051,383 07/04/89
4,844,506 07/014,614 07/04/89
4,844,507 07/100,376 07/04/89
4,844,528 07/196,737 07/04/89
4,844,529 07/144,953 07/04/89
4,844,540 07/260,687 07/04/89
4,844,546 07/169,064 07/04/89
4,844,551 07/077,683 07/04/89
4,844,557 07/201,648 07/04/89
4,844,558 07/097,948 07/04/89
4,844,580 07/194,662 07/04/89
4,844,585 07/163,378 07/04/89
4,844,587 07/071,773 07/04/89
4,844,620 06/934,379 07/04/89
4,844,630 07/279,160 07/04/89
4,844,637 07/200,854 07/04/89
4,844,639 07/110,781 07/04/89
4,844,645 07/161,560 07/04/89
4,844,652 07/202,373 07/04/89
4,844,653 07/065,558 07/04/89
4,844,656 07/175,191 07/04/89
4,844,682 07/045,426 07/04/89
4,844,689 07/230,669 07/04/89
4,844,703 07/225,481 07/04/89
4,844,706 07/109,264 07/04/89
4,844,711 07/142,973 07/04/89
4,844,725 07/155,775 07/04/89
4,844,731 07/132,212 07/04/89
4,844,735 07/178,779 07/04/89
4,844,738 07/109,820 07/04/89
4,844,742 07/051,098 07/04/89
4,844,753 07/183,755 07/04/89
4,844,757 06/644,799 07/04/89
4,844,761 07/104,904 07/04/89
4,844,768 07/181,346 07/04/89
4,844,774 07/180,687 07/04/89
4,844,777 06/899,971 07/04/89
4,844,784 06/808,140 07/04/89
4,844,788 07/263,875 07/04/89
4,844,790 07/188,895 07/04/89
4,844,791 06/919,192 07/04/89
4,844,792 06/921,350 07/04/89
4,844,796 07/108,703 07/04/89
4,844,800 07/017,205 07/04/89
4,844,804 07/237,440 07/04/89
4,844,805 07/074,570 07/04/89
4,844,807 07/049,861 07/04/89
4,844,819 07/201,834 07/04/89
4,844,839 07/167,981 07/04/89
4,844,842 07/277,842 07/04/89
4,844,859 06/870,576 07/04/89
4,844,863 07/172,633 07/04/89
4,844,864 07/186,792 07/04/89
4,844,865 07/125,601 07/04/89
4,844,875 07/107,737 07/04/89
4,844,878 07/108,779 07/04/89
4,844,888 07/120,549 07/04/89
4,844,905 07/013,832 07/04/89
4,844,906 07/030,465 07/04/89
4,844,912 07/148,833 07/04/89
4,844,917 06/726,639 07/04/89
4,844,918 06/895,868 07/04/89
4,844,927 07/209,562 07/04/89
4,844,929 06/765,177 07/04/89
4,844,935 07/071,234 07/04/89
4,844,952 07/139,544 07/04/89
4,844,958 07/026,936 07/04/89
4,844,963 07/150,612 07/04/89
4,844,974 07/122,141 07/04/89
4,844,975 07/164,382 07/04/89
4,844,979 06/829,081 07/04/89
4,844,980 07/043,100 07/04/89
4,844,988 07/136,281 07/04/89
4,844,994 07/236,315 07/04/89
4,844,996 07/179,234 07/04/89
4,844,998 07/208,434 07/04/89
4,845,002 07/127,179 07/04/89
4,845,005 06/567,380 07/04/89
4,845,015 07/113,410 07/04/89
4,845,022 07/069,886 07/04/89
4,845,034 06/816,289 07/04/89
4,845,035 07/104,899 07/04/89
4,845,037 06/891,082 07/04/89
4,845,040 07/119,915 07/04/89
4,845,051 07/115,076 07/04/89
4,845,059 07/026,685 07/04/89
4,845,061 07/013,583 07/04/89
4,845,076 07/001,938 07/04/89
4,845,082 06/899,100 07/04/89
4,845,090 06/779,760 07/04/89
4,845,093 07/111,080 07/04/89
4,845,094 07/063,839 07/04/89
4,845,100 06/850,815 07/04/89
4,845,101 07/069,258 07/04/89
4,845,102 07/103,816 07/04/89
4,845,118 07/136,360 07/04/89
4,845,127 06/681,760 07/04/89
4,845,128 06/729,581 07/04/89
4,845,137 07/116,830 07/04/89
4,845,138 07/182,161 07/04/89
4,845,155 07/045,750 07/04/89
4,845,163 07/134,668 07/04/89
4,845,169 07/148,201 07/04/89
4,845,179 07/257,159 07/04/89
4,845,185 07/038,858 07/04/89
4,845,190 07/137,693 07/04/89
4,845,198 06/943,515 07/04/89
4,845,204 06/946,576 07/04/89
4,845,214 06/882,359 07/04/89
4,845,224 07/043,780 07/04/89
4,845,228 07/148,630 07/04/89
4,845,229 07/160,801 07/04/89
4,845,233 07/096,092 07/04/89
4,845,234 07/176,579 07/04/89
4,845,240 07/174,406 07/04/89
4,845,243 07/135,086 07/04/89
4,845,251 07/055,215 07/04/89
4,845,255 07/227,703 07/04/89
4,845,260 07/129,001 07/04/89
4,845,285 07/125,103 07/04/89
4,845,293 07/015,033 07/04/89
4,845,300 07/141,847 07/04/89
4,845,315 07/206,955 07/04/89
4,845,321 07/203,569 07/04/89
4,845,325 07/140,446 07/04/89
4,845,327 07/271,261 07/04/89
4,845,329 07/274,152 07/04/89
4,845,332 07/097,186 07/04/89
4,845,337 07/151,463 07/04/89
4,845,343 07/277,521 07/04/89
4,845,345 07/070,238 07/04/89
4,845,352 07/130,363 07/04/89
4,845,375 07/122,744 07/04/89
4,845,389 07/162,522 07/04/89
4,845,398 07/173,282 07/04/89
4,845,404 07/175,451 07/04/89
4,845,407 07/212,021 07/04/89
4,845,408 07/147,020 07/04/89
4,845,420 07/249,652 07/04/89
4,845,438 07/172,999 07/04/89
4,845,440 07/174,346 07/04/89
4,845,441 07/195,743 07/04/89
4,845,444 07/164,686 07/04/89
4,845,451 07/218,659 07/04/89
4,845,477 07/161,281 07/04/89
4,845,481 06/922,847 07/04/89
4,845,488 07/012,762 07/04/89
4,845,489 06/812,478 07/04/89
4,845,491 07/050,826 07/04/89
4,845,499 07/116,183 07/04/89
4,845,506 06/879,315 07/04/89
4,845,519 07/139,278 07/04/89
4,845,529 07/135,144 07/04/89
4,845,537 07/127,138 07/04/89
4,845,538 07/152,702 07/04/89
4,845,541 07/204,959 07/04/89
4,845,547 07/173,955 07/04/89
4,845,557 07/189,088 07/04/89
4,845,573 07/085,390 07/04/89
4,845,576 07/145,701 07/04/89
4,845,590 07/115,951 07/04/89
4,845,599 07/131,483 07/04/89
4,845,613 07/183,299 07/04/89
4,845,615 07/106,947 07/04/89
4,845,620 07/136,800 07/04/89
4,845,624 07/022,315 07/04/89
4,845,627 07/103,616 07/04/89
4,845,630 07/029,271 07/04/89
4,845,631 07/033,299 07/04/89
4,845,642 07/002,753 07/04/89
4,845,647 06/694,423 07/04/89
4,845,650 07/081,947 07/04/89
4,845,655 07/164,032 07/04/89
4,845,656 06/940,006 07/04/89
4,845,660 07/161,340 07/04/89
4,845,662 07/077,944 07/04/89
4,845,663 07/092,719 07/04/89
4,845,664 06/907,192 07/04/89
4,845,665 06/769,910 07/04/89
4,845,669 07/186,546 07/04/89
4,845,671 07/225,318 07/04/89
4,845,672 07/215,001 07/04/89
4,845,676 07/014,886 07/04/89
4,845,691 07/200,699 07/04/89
4,845,700 07/184,142 07/04/89
4,845,701 07/084,459 07/04/89
4,845,704 07/033,437 07/04/89
4,845,706 07/082,944 07/04/89
4,845,711 07/003,594 07/04/89
4,845,716 06/935,452 07/04/89
4,845,729 07/158,495 07/04/89
4,845,743 07/190,347 07/04/89
4,845,755 06/768,973 07/04/89
4,845,757 07/152,390 07/04/89
4,845,758 06/878,933 07/04/89
4,845,769 06/819,655 07/04/89
4,845,775 07/125,279 07/04/89
PATENTS WHICH EXPIRED ON June 29, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,222,257 07/768,364 06/29/93
5,222,258 07/894,995 06/29/93
5,222,266 07/748,279 06/29/93
5,222,269 07/921,149 06/29/93
5,222,271 07/911,187 06/29/93
5,222,274 07/768,826 06/29/93
5,222,283 07/749,430 06/29/93
5,222,284 07/817,658 06/29/93
5,222,288 07/803,051 06/29/93
5,222,291 07/861,905 06/29/93
5,222,298 07/722,924 06/29/93
5,222,303 07/810,127 06/29/93
5,222,307 07/721,493 06/29/93
5,222,311 07/832,955 06/29/93
5,222,316 07/933,131 06/29/93
5,222,321 07/946,708 06/29/93
5,222,323 07/627,228 06/29/93
5,222,327 07/733,638 06/29/93
5,222,332 07/684,979 06/29/93
5,222,333 07/953,210 06/29/93
5,222,337 07/668,506 06/29/93
5,222,343 07/695,299 06/29/93
5,222,344 07/715,908 06/29/93
5,222,347 07/821,999 06/29/93
5,222,349 07/683,324 06/29/93
5,222,351 07/826,886 06/29/93
5,222,365 07/840,268 06/29/93
5,222,374 07/785,473 06/29/93
5,222,386 07/847,746 06/29/93
5,222,390 07/763,374 06/29/93
5,222,394 07/839,691 06/29/93
5,222,401 07/903,214 06/29/93
5,222,405 07/930,316 06/29/93
5,222,413 07/878,354 06/29/93
5,222,419 07/912,324 06/29/93
5,222,425 07/817,396 06/29/93
5,222,426 07/831,816 06/29/93
5,222,430 07/932,234 06/29/93
5,222,434 07/893,954 06/29/93
5,222,436 07/920,736 06/29/93
5,222,437 07/836,598 06/29/93
5,222,447 07/886,068 06/29/93
5,222,456 07/926,995 06/29/93
5,222,458 07/840,182 06/29/93
5,222,459 07/886,089 06/29/93
5,222,466 07/885,305 06/29/93
5,222,472 07/644,108 06/29/93
5,222,483 07/877,710 06/29/93
5,222,484 07/666,384 06/29/93
5,222,489 07/762,145 06/29/93
5,222,497 07/824,293 06/29/93
5,222,524 07/795,109 06/29/93
5,222,526 07/846,667 06/29/93
5,222,527 07/782,089 06/29/93
5,222,528 07/819,904 06/29/93
5,222,541 07/919,036 06/29/93
5,222,548 07/888,096 06/29/93
5,222,549 07/465,246 06/29/93
5,222,563 07/709,617 06/29/93
5,222,567 07/691,909 06/29/93
5,222,568 07/613,756 06/29/93
5,222,569 07/819,878 06/29/93
5,222,574 07/903,448 06/29/93
5,222,575 07/647,049 06/29/93
5,222,580 07/991,565 06/29/93
5,222,590 07/978,913 06/29/93
5,222,592 07/945,030 06/29/93
5,222,593 07/966,371 06/29/93
5,222,595 07/803,084 06/29/93
5,222,602 07/904,150 06/29/93
5,222,603 07/830,064 06/29/93
5,222,606 07/846,891 06/29/93
5,222,607 07/848,480 06/29/93
5,222,631 07/680,095 06/29/93
5,222,639 07/340,803 06/29/93
5,222,641 07/896,774 06/29/93
5,222,642 07/805,306 06/29/93
5,222,651 07/586,695 06/29/93
5,222,661 07/836,969 06/29/93
5,222,675 07/753,961 06/29/93
5,222,676 07/784,829 06/29/93
5,222,678 07/803,011 06/29/93
5,222,686 07/653,693 06/29/93
5,222,690 07/745,475 06/29/93
5,222,695 07/775,693 06/29/93
5,222,697 07/832,921 06/29/93
5,222,704 07/895,983 06/29/93
5,222,711 07/826,400 06/29/93
5,222,712 07/925,129 06/29/93
5,222,720 07/824,041 06/29/93
5,222,721 07/816,297 06/29/93
5,222,725 07/798,217 06/29/93
5,222,733 07/717,325 06/29/93
5,222,734 07/796,791 06/29/93
5,222,736 07/790,420 06/29/93
5,222,737 07/833,374 06/29/93
5,222,741 07/818,265 06/29/93
5,222,748 07/782,119 06/29/93
5,222,751 07/643,512 06/29/93
5,222,756 07/895,432 06/29/93
5,222,761 07/765,209 06/29/93
5,222,763 07/923,216 06/29/93
5,222,765 07/861,105 06/29/93
5,222,767 07/922,634 06/29/93
5,222,777 07/921,071 06/29/93
5,222,778 07/763,584 06/29/93
5,222,783 07/800,968 06/29/93
5,222,791 07/644,733 06/29/93
5,222,792 07/750,032 06/29/93
5,222,797 07/785,654 06/29/93
5,222,807 07/954,333 06/29/93
5,222,812 07/758,920 06/29/93
5,222,815 07/563,243 06/29/93
5,222,817 07/688,816 06/29/93
5,222,822 07/816,391 06/29/93
5,222,834 07/908,209 06/29/93
5,222,835 07/887,865 06/29/93
5,222,855 07/945,829 06/29/93
5,222,863 07/753,990 06/29/93
5,222,870 07/892,920 06/29/93
5,222,873 07/901,290 06/29/93
5,222,875 07/708,891 06/29/93
5,222,879 07/884,579 06/29/93
5,222,887 07/823,330 06/29/93
5,222,889 07/925,034 06/29/93
5,222,891 07/809,336 06/29/93
5,222,895 07/667,863 06/29/93
5,222,896 07/742,895 06/29/93
5,222,912 07/620,881 06/29/93
5,222,914 07/772,339 06/29/93
5,222,919 07/891,441 06/29/93
5,222,926 07/817,535 06/29/93
5,222,931 07/682,548 06/29/93
5,222,943 07/852,286 06/29/93
5,222,947 07/694,549 06/29/93
5,222,950 07/552,940 06/29/93
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5,222,962 07/872,548 06/29/93
5,222,967 07/865,300 06/29/93
5,222,976 07/744,406 06/29/93
5,222,984 07/791,455 06/29/93
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5,223,000 07/784,200 06/29/93
5,223,005 07/929,228 06/29/93
5,223,008 07/934,424 06/29/93
5,223,009 07/940,297 06/29/93
5,223,012 07/698,102 06/29/93
5,223,019 07/760,351 06/29/93
5,223,032 07/731,508 06/29/93
5,223,056 07/822,420 06/29/93
5,223,058 07/697,761 06/29/93
5,223,063 07/900,524 06/29/93
5,223,064 07/604,180 06/29/93
5,223,080 07/799,182 06/29/93
5,223,087 07/505,228 06/29/93
5,223,092 07/693,030 06/29/93
5,223,093 07/314,278 06/29/93
5,223,105 07/778,877 06/29/93
5,223,110 07/805,131 06/29/93
5,223,111 07/521,266 06/29/93
5,223,114 07/744,642 06/29/93
5,223,115 07/752,184 06/29/93
5,223,117 07/695,254 06/29/93
5,223,119 07/843,141 06/29/93
5,223,121 07/694,622 06/29/93
5,223,122 07/841,853 06/29/93
5,223,127 07/732,376 06/29/93
5,223,128 07/795,332 06/29/93
5,223,131 07/773,178 06/29/93
5,223,132 07/711,896 06/29/93
5,223,138 07/650,019 06/29/93
5,223,140 07/869,484 06/29/93
5,223,146 07/773,831 06/29/93
5,223,151 07/872,324 06/29/93
5,223,157 07/507,562 06/29/93
5,223,159 07/819,154 06/29/93
5,223,164 07/879,537 06/29/93
5,223,172 07/787,761 06/29/93
5,223,181 07/676,137 06/29/93
5,223,186 07/685,117 06/29/93
5,223,189 07/817,731 06/29/93
5,223,193 07/755,842 06/29/93
5,223,194 07/775,572 06/29/93
5,223,200 07/641,700 06/29/93
5,223,214 07/911,145 06/29/93
5,223,216 07/856,121 06/29/93
5,223,228 07/660,506 06/29/93
5,223,230 07/658,800 06/29/93
5,223,231 07/803,461 06/29/93
5,223,237 07/816,465 06/29/93
5,223,240 07/817,968 06/29/93
5,223,245 07/928,839 06/29/93
5,223,251 07/875,199 06/29/93
5,223,253 07/411,921 06/29/93
5,223,255 07/774,637 06/29/93
5,223,257 07/850,958 06/29/93
5,223,267 07/869,107 06/29/93
5,223,268 07/700,968 06/29/93
5,223,270 07/928,903 06/29/93
5,223,271 07/765,008 06/29/93
5,223,272 07/611,027 06/29/93
5,223,278 07/764,417 06/29/93
5,223,279 07/871,302 06/29/93
5,223,284 07/703,889 06/29/93
5,223,286 07/630,312 06/29/93
5,223,288 07/714,623 06/29/93
5,223,300 07/775,297 06/29/93
5,223,304 07/987,817 06/29/93
5,223,307 07/837,585 06/29/93
5,223,310 07/849,612 06/29/93
5,223,313 07/643,491 06/29/93
5,223,321 07/774,164 06/29/93
5,223,324 07/383,839 06/29/93
5,223,327 07/695,909 06/29/93
5,223,330 07/884,641 06/29/93
5,223,333 07/483,075 06/29/93
5,223,342 07/669,672 06/29/93
5,223,347 07/736,510 06/29/93
5,223,349 07/891,258 06/29/93
5,223,354 07/900,768 06/29/93
5,223,363 07/310,535 06/29/93
5,223,372 07/410,752 06/29/93
5,223,374 07/853,545 06/29/93
5,223,413 07/768,444 06/29/93
5,223,414 07/520,321 06/29/93
5,223,420 07/507,102 06/29/93
5,223,424 07/225,032 06/29/93
5,223,429 07/611,470 06/29/93
5,223,434 07/790,357 06/29/93
5,223,435 07/782,714 06/29/93
5,223,439 07/966,469 06/29/93
5,223,453 07/671,230 06/29/93
5,223,461 07/880,856 06/29/93
5,223,463 07/738,911 06/29/93
5,223,465 07/776,350 06/29/93
5,223,476 07/623,442 06/29/93
5,223,479 07/738,888 06/29/93
5,223,489 07/828,193 06/29/93
5,223,499 07/881,453 06/29/93
5,223,503 07/832,243 06/29/93
5,223,509 07/841,231 06/29/93
5,223,515 07/921,996 06/29/93
5,223,520 07/858,910 06/29/93
5,223,526 07/967,417 06/29/93
5,223,531 07/933,032 06/29/93
5,223,547 07/797,350 06/29/93
5,223,552 07/894,818 06/29/93
5,223,558 07/914,649 06/29/93
5,223,559 07/842,649 06/29/93
5,223,560 07/917,533 06/29/93
5,223,564 07/843,238 06/29/93
5,223,565 07/704,454 06/29/93
5,223,569 07/829,080 06/29/93
5,223,570 07/681,306 06/29/93
5,223,574 07/774,930 06/29/93
5,223,576 07/788,110 06/29/93
5,223,585 07/787,860 06/29/93
5,223,589 07/872,191 06/29/93
5,223,591 07/776,366 06/29/93
5,223,595 07/872,387 06/29/93
5,223,596 07/919,516 06/29/93
5,223,600 07/880,827 06/29/93
5,223,605 07/598,489 06/29/93
5,223,607 07/717,048 06/29/93
5,223,615 07/974,212 06/29/93
5,223,616 07/787,145 06/29/93
5,223,619 07/761,890 06/29/93
5,223,622 07/838,954 06/29/93
5,223,629 07/809,714 06/29/93
5,223,634 07/256,912 06/29/93
5,223,635 07/768,369 06/29/93
5,223,643 07/789,214 06/29/93
5,223,646 07/871,743 06/29/93
5,223,649 07/763,025 06/29/93
5,223,650 07/906,044 06/29/93
5,223,661 07/877,198 06/29/93
5,223,663 07/814,988 06/29/93
5,223,666 07/894,319 06/29/93
5,223,671 07/600,330 06/29/93
5,223,672 07/535,628 06/29/93
5,223,676 07/615,337 06/29/93
5,223,684 07/696,486 06/29/93
5,223,685 07/502,992 06/29/93
5,223,687 07/753,053 06/29/93
5,223,688 07/777,527 06/29/93
5,223,690 07/886,866 06/29/93
5,223,693 07/659,691 06/29/93
5,223,694 07/826,440 06/29/93
5,223,697 07/803,204 06/29/93
5,223,700 07/839,040 06/29/93
5,223,712 07/730,957 06/29/93
5,223,722 07/850,273 06/29/93
5,223,727 07/858,261 06/29/93
5,223,741 07/402,202 06/29/93
5,223,742 07/744,756 06/29/93
5,223,744 07/680,185 06/29/93
5,223,756 08/000,030 06/29/93
5,223,759 07/676,963 06/29/93
5,223,760 07/785,243 06/29/93
5,223,768 07/777,934 06/29/93
5,223,785 07/908,977 06/29/93
5,223,789 07/861,170 06/29/93
5,223,798 07/606,396 06/29/93
5,223,815 08/000,835 06/29/93
5,223,817 07/759,434 06/29/93
5,223,820 07/894,670 06/29/93
5,223,823 07/950,966 06/29/93
5,223,828 07/746,838 06/29/93
5,223,840 07/851,417 06/29/93
5,223,841 07/906,096 06/29/93
5,223,842 06/234,048 06/29/93
5,223,843 07/141,250 06/29/93
5,223,846 07/656,644 06/29/93
5,223,848 07/759,725 06/29/93
5,223,852 07/751,477 06/29/93
5,223,854 07/706,704 06/29/93
5,223,866 07/814,156 06/29/93
5,223,874 07/790,236 06/29/93
5,223,880 07/663,830 06/29/93
5,223,890 07/760,346 06/29/93
5,223,898 07/540,640 06/29/93
5,223,905 07/658,384 06/29/93
5,223,908 07/555,389 06/29/93
5,223,910 07/531,353 06/29/93
5,223,912 07/768,934 06/29/93
5,223,916 07/765,383 06/29/93
5,223,923 07/741,250 06/29/93
5,223,932 07/639,794 06/29/93
5,223,936 07/851,236 06/29/93
5,223,948 07/594,968 06/29/93
5,223,951 07/582,042 06/29/93
5,223,952 07/742,487 06/29/93
5,223,973 07/804,672 06/29/93
5,223,978 07/710,362 06/29/93
5,223,984 07/873,115 06/29/93
5,223,996 07/855,991 06/29/93
5,224,004 07/674,975 06/29/93
5,224,012 07/958,674 06/29/93
5,224,013 07/634,747 06/29/93
5,224,020 07/947,076 06/29/93
5,224,031 07/690,997 06/29/93
5,224,032 07/549,407 06/29/93
5,224,044 07/657,935 06/29/93
5,224,051 07/354,485 06/29/93
5,224,055 07/576,501 06/29/93
5,224,076 07/961,654 06/29/93
5,224,093 07/779,741 06/29/93
5,224,100 07/697,556 06/29/93
5,224,110 07/888,996 06/29/93
5,224,111 07/729,954 06/29/93
5,224,117 07/768,697 06/29/93
5,224,123 07/921,431 06/29/93
5,224,132 07/823,286 06/29/93
5,224,133 07/847,912 06/29/93
5,224,143 07/649,041 06/29/93
5,224,147 07/926,524 06/29/93
5,224,152 07/572,409 06/29/93
5,224,161 07/720,517 06/29/93
5,224,179 07/814,956 06/29/93
5,224,182 07/751,738 06/29/93
5,224,185 07/838,689 06/29/93
5,224,197 07/830,035 06/29/93
5,224,204 07/654,378 06/29/93
5,224,205 07/525,574 06/29/93
5,224,218 07/686,946 06/29/93
PATENTS WHICH EXPIRED ON July 1, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,642,525 08/570,002 07/01/97
5,642,530 08/642,647 07/01/97
5,642,537 08/566,280 07/01/97
5,642,538 08/531,156 07/01/97
5,642,539 08/562,136 07/01/97
5,642,540 08/591,424 07/01/97
5,642,548 08/603,725 07/01/97
5,642,552 08/531,398 07/01/97
5,642,555 08/615,721 07/01/97
5,642,556 08/640,151 07/01/97
5,642,559 08/488,100 07/01/97
5,642,568 08/588,266 07/01/97
5,642,570 08/629,545 07/01/97
5,642,572 08/638,772 07/01/97
5,642,574 08/673,570 07/01/97
5,642,576 08/595,638 07/01/97
5,642,584 08/654,056 07/01/97
5,642,588 08/634,655 07/01/97
5,642,600 08/630,926 07/01/97
5,642,603 08/599,155 07/01/97
5,642,611 08/612,821 07/01/97
5,642,612 08/574,726 07/01/97
5,642,613 08/600,161 07/01/97
5,642,619 08/600,892 07/01/97
5,642,628 08/647,346 07/01/97
5,642,630 08/586,248 07/01/97
5,642,635 08/545,500 07/01/97
5,642,637 08/655,978 07/01/97
5,642,638 08/518,670 07/01/97
5,642,651 08/532,637 07/01/97
5,642,658 08/673,925 07/01/97
5,642,660 08/605,616 07/01/97
5,642,661 08/601,517 07/01/97
5,642,667 08/571,521 07/01/97
5,642,674 08/664,563 07/01/97
5,642,678 08/663,483 07/01/97
5,642,680 08/505,404 07/01/97
5,642,689 08/511,682 07/01/97
5,642,695 08/622,711 07/01/97
5,642,699 08/615,116 07/01/97
5,642,710 08/664,816 07/01/97
5,642,713 08/525,784 07/01/97
5,642,715 08/623,955 07/01/97
5,642,725 08/498,942 07/01/97
5,642,735 08/405,222 07/01/97
5,642,738 08/678,230 07/01/97
5,642,740 08/547,598 07/01/97
5,642,741 08/548,372 07/01/97
5,642,759 08/661,480 07/01/97
5,642,761 08/604,707 07/01/97
5,642,762 08/553,916 07/01/97
5,642,766 08/567,277 07/01/97
5,642,784 08/604,498 07/01/97
5,642,788 08/555,184 07/01/97
5,642,789 08/583,305 07/01/97
5,642,791 08/593,065 07/01/97
5,642,794 08/613,018 07/01/97
5,642,801 08/612,225 07/01/97
5,642,803 08/720,898 07/01/97
5,642,805 08/542,391 07/01/97
5,642,807 08/589,816 07/01/97
5,642,812 08/519,388 07/01/97
5,642,814 08/654,022 07/01/97
5,642,818 08/489,893 07/01/97
5,642,819 08/614,674 07/01/97
5,642,828 08/688,193 07/01/97
5,642,830 08/668,285 07/01/97
5,642,831 08/546,565 07/01/97
5,642,836 08/523,356 07/01/97
5,642,838 08/579,830 07/01/97
5,642,839 08/667,829 07/01/97
5,642,842 08/585,644 07/01/97
5,642,843 08/688,538 07/01/97
5,642,844 08/567,049 07/01/97
5,642,845 08/596,739 07/01/97
5,642,847 08/674,899 07/01/97
5,642,849 08/566,246 07/01/97
5,642,853 08/521,001 07/01/97
5,642,862 08/508,495 07/01/97
5,642,864 08/342,390 07/01/97
5,642,869 08/565,882 07/01/97
5,642,879 08/659,094 07/01/97
5,642,883 08/602,875 07/01/97
5,642,891 08/665,826 07/01/97
5,642,894 08/620,365 07/01/97
5,642,897 08/291,909 07/01/97
5,642,902 08/527,960 07/01/97
5,642,907 08/650,192 07/01/97
5,642,910 08/697,133 07/01/97
5,642,913 08/642,109 07/01/97
5,642,919 08/650,031 07/01/97
5,642,923 08/546,105 07/01/97
5,642,927 08/567,174 07/01/97
5,642,928 08/598,120 07/01/97
5,642,931 08/588,126 07/01/97
5,642,937 08/636,521 07/01/97
5,642,950 08/592,671 07/01/97
5,642,951 08/603,993 07/01/97
5,642,959 08/520,682 07/01/97
5,642,960 08/510,322 07/01/97
5,642,971 08/522,731 07/01/97
5,642,980 08/627,536 07/01/97
5,642,987 08/614,815 07/01/97
5,643,006 08/577,004 07/01/97
5,643,007 08/713,658 07/01/97
5,643,020 08/696,324 07/01/97
5,643,024 08/694,250 07/01/97
5,643,028 08/549,371 07/01/97
5,643,030 08/683,775 07/01/97
5,643,031 08/639,725 07/01/97
5,643,035 08/554,975 07/01/97
5,643,036 08/342,294 07/01/97
5,643,038 08/531,721 07/01/97
5,643,042 08/413,095 07/01/97
5,643,045 08/434,859 07/01/97
5,643,059 08/421,203 07/01/97
5,643,073 08/615,335 07/01/97
5,643,077 08/491,226 07/01/97
5,643,081 08/678,236 07/01/97
5,643,083 08/419,024 07/01/97
5,643,084 08/526,105 07/01/97
5,643,085 08/533,116 07/01/97
5,643,091 08/675,426 07/01/97
5,643,094 08/375,606 07/01/97
5,643,095 08/491,406 07/01/97
5,643,096 08/613,456 07/01/97
5,643,101 08/623,033 07/01/97
5,643,102 08/503,437 07/01/97
5,643,103 08/622,986 07/01/97
5,643,107 08/514,605 07/01/97
5,643,109 08/662,441 07/01/97
5,643,112 08/689,568 07/01/97
5,643,114 08/714,795 07/01/97
5,643,115 08/629,004 07/01/97
5,643,129 08/509,370 07/01/97
5,643,140 08/717,634 07/01/97
5,643,141 08/693,339 07/01/97
5,643,143 08/594,126 07/01/97
5,643,145 08/715,449 07/01/97
5,643,147 08/654,768 07/01/97
5,643,150 08/620,166 07/01/97
5,643,153 08/337,134 07/01/97
5,643,158 08/489,629 07/01/97
5,643,160 08/588,883 07/01/97
5,643,162 08/355,480 07/01/97
5,643,163 08/645,745 07/01/97
5,643,167 08/482,649 07/01/97
5,643,173 08/522,626 07/01/97
5,643,176 08/381,806 07/01/97
5,643,180 08/373,473 07/01/97
5,643,182 08/543,804 07/01/97
5,643,209 08/572,908 07/01/97
5,643,217 08/373,634 07/01/97
5,643,220 08/698,441 07/01/97
5,643,221 08/287,711 07/01/97
5,643,223 08/527,675 07/01/97
5,643,229 08/603,505 07/01/97
5,643,232 08/588,817 07/01/97
5,643,235 08/552,716 07/01/97
5,643,247 08/249,435 07/01/97
5,643,248 08/385,182 07/01/97
5,643,269 08/308,119 07/01/97
5,643,280 08/568,915 07/01/97
5,643,287 08/647,252 07/01/97
5,643,295 08/377,723 07/01/97
5,643,309 08/378,059 07/01/97
5,643,315 08/310,349 07/01/97
5,643,323 08/486,761 07/01/97
5,643,336 08/370,019 07/01/97
5,643,350 08/335,643 07/01/97
5,643,369 08/607,202 07/01/97
5,643,382 08/528,214 07/01/97
5,643,395 07/939,894 07/01/97
5,643,398 08/440,701 07/01/97
5,643,402 08/374,620 07/01/97
5,643,432 08/502,134 07/01/97
5,643,443 08/445,263 07/01/97
5,643,461 08/448,699 07/01/97
5,643,466 08/313,259 07/01/97
5,643,470 08/628,505 07/01/97
5,643,479 08/557,277 07/01/97
5,643,498 08/292,896 07/01/97
5,643,513 08/213,156 07/01/97
5,643,517 08/506,035 07/01/97
5,643,520 08/374,927 07/01/97
5,643,522 08/353,917 07/01/97
5,643,544 08/430,376 07/01/97
5,643,547 08/373,457 07/01/97
5,643,560 08/211,863 07/01/97
5,643,561 08/334,017 07/01/97
5,643,569 08/483,728 07/01/97
5,643,577 07/940,899 07/01/97
5,643,597 08/463,237 07/01/97
5,643,598 08/473,336 07/01/97
5,643,611 08/359,385 07/01/97
5,643,616 08/519,165 07/01/97
5,643,619 08/574,201 07/01/97
5,643,620 08/513,134 07/01/97
5,643,621 08/447,087 07/01/97
5,643,622 08/110,513 07/01/97
5,643,629 07/906,429 07/01/97
5,643,635 08/389,416 07/01/97
5,643,642 08/475,090 07/01/97
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