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 March 21, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
4,813,097 07/122,910 03/21/89
4,813,109 07/087,418 03/21/89
4,813,111 06/733,225 03/21/89
4,813,113 07/133,798 03/21/89
4,813,123 07/148,380 03/21/89
4,813,130 07/041,399 03/21/89
4,813,132 06/894,676 03/21/89
4,813,133 07/080,878 03/21/89
4,813,137 07/052,158 03/21/89
4,813,164 07/141,979 03/21/89
4,813,175 07/077,857 03/21/89
4,813,177 07/128,941 03/21/89
4,813,186 07/103,532 03/21/89
4,813,195 07/106,122 03/21/89
4,813,199 07/188,351 03/21/89
4,813,202 07/053,199 03/21/89
4,813,203 07/098,419 03/21/89
4,813,215 07/047,718 03/21/89
4,813,217 07/079,581 03/21/89
4,813,218 07/122,171 03/21/89
4,813,221 07/131,257 03/21/89
4,813,222 07/173,375 03/21/89
4,813,227 06/580,171 03/21/89
4,813,235 07/060,150 03/21/89
4,813,238 07/173,144 03/21/89
4,813,241 07/085,940 03/21/89
4,813,258 07/003,348 03/21/89
4,813,259 07/096,022 03/21/89
4,813,267 07/022,147 03/21/89
4,813,272 07/080,102 03/21/89
4,813,288 07/007,188 03/21/89
4,813,293 07/004,440 03/21/89
4,813,296 07/084,410 03/21/89
4,813,298 07/078,482 03/21/89
4,813,300 07/082,919 03/21/89
4,813,301 07/083,495 03/21/89
4,813,307 07/067,624 03/21/89
4,813,312 07/044,777 03/21/89
4,813,320 07/084,630 03/21/89
4,813,321 07/058,817 03/21/89
4,813,327 07/198,776 03/21/89
4,813,331 07/034,469 03/21/89
4,813,336 07/025,279 03/21/89
4,813,337 07/124,957 03/21/89
4,813,339 06/795,462 03/21/89
4,813,342 07/063,251 03/21/89
4,813,349 07/035,635 03/21/89
4,813,357 07/043,604 03/21/89
4,813,358 07/200,354 03/21/89
4,813,364 07/179,074 03/21/89
4,813,369 07/111,519 03/21/89
4,813,373 07/049,969 03/21/89
4,813,380 07/129,394 03/21/89
4,813,382 07/184,940 03/21/89
4,813,389 07/110,287 03/21/89
4,813,393 07/113,132 03/21/89
4,813,400 07/079,139 03/21/89
4,813,413 07/055,029 03/21/89
4,813,419 07/172,945 03/21/89
4,813,424 07/137,228 03/21/89
4,813,429 07/046,193 03/21/89
4,813,444 07/116,530 03/21/89
4,813,446 07/150,307 03/21/89
4,813,464 07/096,505 03/21/89
4,813,474 07/130,322 03/21/89
4,813,477 07/009,164 03/21/89
4,813,483 07/184,521 03/21/89
4,813,494 07/019,005 03/21/89
4,813,497 07/181,648 03/21/89
4,813,502 07/211,660 03/21/89
4,813,504 07/199,598 03/21/89
4,813,518 06/443,114 03/21/89
4,813,534 07/067,318 03/21/89
4,813,535 07/093,858 03/21/89
4,813,542 06/887,592 03/21/89
4,813,559 07/169,270 03/21/89
4,813,566 07/138,209 03/21/89
4,813,570 07/163,705 03/21/89
4,813,571 06/930,744 03/21/89
4,813,580 07/097,694 03/21/89
4,813,582 07/070,354 03/21/89
4,813,587 07/046,610 03/21/89
4,813,589 07/178,030 03/21/89
4,813,593 06/506,679 03/21/89
4,813,594 07/137,563 03/21/89
4,813,609 07/012,498 03/21/89
4,813,612 07/177,903 03/21/89
4,813,620 07/134,936 03/21/89
4,813,628 07/056,444 03/21/89
4,813,629 07/164,335 03/21/89
4,813,643 07/102,413 03/21/89
4,813,647 07/126,076 03/21/89
4,813,655 07/180,485 03/21/89
4,813,669 07/094,794 03/21/89
4,813,671 06/910,051 03/21/89
4,813,675 07/164,608 03/21/89
4,813,679 07/024,536 03/21/89
4,813,689 07/137,152 03/21/89
4,813,695 07/137,165 03/21/89
4,813,706 07/094,690 03/21/89
4,813,709 07/036,344 03/21/89
4,813,713 07/044,252 03/21/89
4,813,721 07/097,215 03/21/89
4,813,741 07/127,501 03/21/89
4,813,757 07/122,343 03/21/89
4,813,765 07/059,878 03/21/89
4,813,768 07/111,659 03/21/89
4,813,782 07/020,080 03/21/89
4,813,792 07/201,799 03/21/89
4,813,793 07/201,723 03/21/89
4,813,794 07/195,921 03/21/89
4,813,801 07/040,391 03/21/89
4,813,813 07/016,712 03/21/89
4,813,815 07/110,732 03/21/89
4,813,819 07/178,829 03/21/89
4,813,820 07/105,346 03/21/89
4,813,835 07/086,250 03/21/89
4,813,844 07/021,059 03/21/89
4,813,847 07/050,005 03/21/89
4,813,850 07/178,724 03/21/89
4,813,852 07/166,444 03/21/89
4,813,864 07/124,255 03/21/89
4,813,867 07/060,395 03/21/89
4,813,873 07/012,821 03/21/89
4,813,877 07/077,510 03/21/89
4,813,878 07/125,467 03/21/89
4,813,897 07/181,685 03/21/89
4,813,915 07/195,004 03/21/89
4,813,920 07/090,064 03/21/89
4,813,922 07/114,805 03/21/89
4,813,942 07/026,950 03/21/89
4,813,969 06/769,719 03/21/89
4,813,970 07/154,341 03/21/89
4,813,985 07/014,826 03/21/89
4,813,986 07/107,749 03/21/89
4,813,991 07/196,595 03/21/89
4,813,995 07/157,079 03/21/89
4,814,009 07/119,861 03/21/89
4,814,016 07/115,175 03/21/89
4,814,018 07/064,463 03/21/89
4,814,034 07/141,027 03/21/89
4,814,041 07/099,856 03/21/89
4,814,043 07/102,837 03/21/89
4,814,044 07/096,066 03/21/89
4,814,051 07/149,778 03/21/89
4,814,054 07/251,265 03/21/89
4,814,071 07/028,769 03/21/89
4,814,078 07/096,906 03/21/89
4,814,082 06/920,365 03/21/89
4,814,083 06/935,312 03/21/89
4,814,085 07/226,085 03/21/89
4,814,090 07/091,221 03/21/89
4,814,091 07/067,073 03/21/89
4,814,093 07/096,467 03/21/89
4,814,110 06/883,626 03/21/89
4,814,112 07/119,366 03/21/89
4,814,115 07/121,847 03/21/89
4,814,117 07/135,720 03/21/89
4,814,120 07/041,652 03/21/89
4,814,121 06/562,132 03/21/89
4,814,122 06/912,003 03/21/89
4,814,125 07/098,465 03/21/89
4,814,134 07/047,442 03/21/89
4,814,135 07/136,719 03/21/89
4,814,143 07/081,370 03/21/89
4,814,159 07/119,286 03/21/89
4,814,162 06/798,364 03/21/89
4,814,166 06/867,003 03/21/89
4,814,169 06/878,526 03/21/89
4,814,171 07/077,426 03/21/89
4,814,184 07/154,755 03/21/89
4,814,190 07/132,251 03/21/89
4,814,192 07/123,451 03/21/89
4,814,194 07/153,528 03/21/89
4,814,199 07/189,658 03/21/89
4,814,204 07/116,596 03/21/89
4,814,232 07/029,915 03/21/89
4,814,234 07/030,408 03/21/89
4,814,236 07/064,721 03/21/89
4,814,238 07/077,002 03/21/89
4,814,244 07/159,687 03/21/89
4,814,250 07/026,809 03/21/89
4,814,255 07/136,384 03/21/89
4,814,262 07/107,270 03/21/89
4,814,267 06/946,813 03/21/89
4,814,270 06/650,200 03/21/89
4,814,274 07/009,926 03/21/89
4,814,280 07/082,518 03/21/89
4,814,294 07/079,564 03/21/89
4,814,295 06/935,198 03/21/89
4,814,305 07/119,506 03/21/89
4,814,307 07/067,827 03/21/89
4,814,308 07/110,872 03/21/89
4,814,311 07/132,735 03/21/89
4,814,312 07/132,751 03/21/89
4,814,313 07/132,752 03/21/89
4,814,323 06/843,563 03/21/89
4,814,327 07/077,359 03/21/89
4,814,330 07/024,798 03/21/89
4,814,335 07/066,262 03/21/89
4,814,340 06/928,157 03/21/89
4,814,350 06/905,606 03/21/89
4,814,359 07/139,758 03/21/89
4,814,360 07/113,295 03/21/89
4,814,379 07/179,597 03/21/89
4,814,389 07/071,203 03/21/89
4,814,390 07/133,425 03/21/89
4,814,403 07/105,745 03/21/89
4,814,417 07/170,365 03/21/89
4,814,426 07/073,578 03/21/89
4,814,439 07/087,860 03/21/89
4,814,443 07/085,428 03/21/89
4,814,446 07/000,887 03/21/89
4,814,450 07/148,317 03/21/89
4,814,458 07/010,304 03/21/89
4,814,463 06/815,217 03/21/89
4,814,465 07/084,833 03/21/89
4,814,466 07/179,370 03/21/89
4,814,493 06/510,845 03/21/89
4,814,500 07/091,850 03/21/89
4,814,502 07/145,585 03/21/89
4,814,506 07/088,331 03/21/89
4,814,521 07/089,661 03/21/89
4,814,525 07/029,951 03/21/89
4,814,526 07/078,665 03/21/89
4,814,527 07/068,218 03/21/89
4,814,537 07/108,187 03/21/89
4,814,543 07/138,749 03/21/89
4,814,545 07/245,485 03/21/89
4,814,554 07/117,503 03/21/89
4,814,569 07/169,848 03/21/89
4,814,571 07/220,932 03/21/89
4,814,584 07/103,055 03/21/89
4,814,588 06/256,539 03/21/89
4,814,591 07/175,404 03/21/89
4,814,592 06/868,815 03/21/89
4,814,602 07/192,591 03/21/89
4,814,612 07/031,150 03/21/89
4,814,615 07/045,538 03/21/89
4,814,622 07/117,754 03/21/89
4,814,623 07/041,062 03/21/89
4,814,638 07/059,075 03/21/89
4,814,641 07/139,639 03/21/89
4,814,649 07/134,656 03/21/89
4,814,666 07/034,393 03/21/89
4,814,679 07/130,651 03/21/89
4,814,683 07/077,162 03/21/89
4,814,689 06/941,369 03/21/89
4,814,700 07/111,962 03/21/89
4,814,705 07/016,576 03/21/89
4,814,707 07/064,281 03/21/89
4,814,714 07/082,712 03/21/89
4,814,715 06/605,048 03/21/89
4,814,716 07/099,550 03/21/89
4,814,719 07/133,102 03/21/89
4,814,721 06/916,658 03/21/89
4,814,728 07/109,412 03/21/89
4,814,729 07/130,904 03/21/89
4,814,736 07/151,126 03/21/89
4,814,740 07/027,524 03/21/89
4,814,743 07/072,048 03/21/89
4,814,744 07/126,801 03/21/89
4,814,745 07/209,399 03/21/89
4,814,747 07/055,288 03/21/89
4,814,751 07/212,086 03/21/89
4,814,755 07/082,978 03/21/89
4,814,760 07/045,732 03/21/89
4,814,762 07/125,088 03/21/89
4,814,777 07/080,264 03/21/89
4,814,778 07/068,669 03/21/89
4,814,779 07/030,010 03/21/89
4,814,784 06/790,667 03/21/89
4,814,790 07/160,131 03/21/89
4,814,814 07/201,161 03/21/89
4,814,838 07/056,657 03/21/89
4,814,843 06/933,343 03/21/89
4,814,853 06/428,614 03/21/89
4,814,855 06/857,227 03/21/89
4,814,857 07/018,633 03/21/89
4,814,862 07/140,925 03/21/89
4,814,866 07/021,420 03/21/89
4,814,873 07/145,144 03/21/89
4,814,880 07/195,683 03/21/89
4,814,885 07/150,073 03/21/89
4,814,895 07/046,855 03/21/89
4,814,896 07/022,969 03/21/89
4,814,899 07/096,962 03/21/89
4,814,903 07/067,762 03/21/89
4,814,904 06/853,930 03/21/89
4,814,906 07/023,241 03/21/89
4,814,907 07/125,000 03/21/89
4,814,912 07/073,837 03/21/89
4,814,913 07/075,756 03/21/89
4,814,916 06/341,576 03/21/89
4,814,918 07/055,660 03/21/89
4,814,919 07/124,623 03/21/89
4,814,921 07/150,504 03/21/89
4,814,926 07/101,995 03/21/89
4,814,929 07/090,461 03/21/89
4,814,935 07/077,935 03/21/89
4,814,940 07/055,216 03/21/89
4,814,946 07/194,831 03/21/89
4,814,952 07/134,927 03/21/89
4,814,968 07/109,325 03/21/89
4,814,970 06/939,173 03/21/89
4,814,973 06/499,474 03/21/89
4,814,975 06/638,270 03/21/89
4,814,985 07/029,139 03/21/89
4,814,987 06/864,256 03/21/89
4,814,988 07/051,654 03/21/89
4,814,996 06/387,177 03/21/89
4,814,998 07/031,559 03/21/89
4,815,001 06/868,612 03/21/89
4,815,005 07/122,446 03/21/89
4,815,009 07/040,920 03/21/89
4,815,011 07/103,579 03/21/89
4,815,047 06/876,966 03/21/89
4,815,050 06/739,513 03/21/89
4,815,053 07/146,332 03/21/89
4,815,058 06/920,423 03/21/89
4,815,064 07/017,510 03/21/89
4,815,069 07/171,698 03/21/89
4,815,071 07/085,574 03/21/89
4,815,074 06/893,168 03/21/89
4,815,091 07/192,565 03/21/89
4,815,103 07/113,973 03/21/89
4,815,107 07/150,342 03/21/89
4,815,110 07/023,411 03/21/89
4,815,126 06/887,170 03/21/89
4,815,129 06/688,503 03/21/89
4,815,140 07/152,326 03/21/89
4,815,141 06/937,118 03/21/89
PATENTS WHICH EXPIRED ON March 16, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,193,226 07/787,512 03/16/93
5,193,230 07/795,721 03/16/93
5,193,237 07/647,031 03/16/93
5,193,239 07/714,676 03/16/93
5,193,240 07/822,997 03/16/93
5,193,242 07/720,228 03/16/93
5,193,249 07/802,696 03/16/93
5,193,252 07/871,136 03/16/93
5,193,257 07/549,958 03/16/93
5,193,261 07/889,789 03/16/93
5,193,265 07/686,693 03/16/93
5,193,266 07/770,426 03/16/93
5,193,277 07/813,450 03/16/93
5,193,281 07/845,278 03/16/93
5,193,282 07/741,487 03/16/93
5,193,287 07/876,193 03/16/93
5,193,294 07/685,315 03/16/93
5,193,295 07/741,506 03/16/93
5,193,300 07/877,676 03/16/93
5,193,311 07/845,002 03/16/93
5,193,313 07/811,851 03/16/93
5,193,315 07/803,581 03/16/93
5,193,319 07/738,107 03/16/93
5,193,323 07/695,095 03/16/93
5,193,326 07/767,675 03/16/93
5,193,334 07/621,056 03/16/93
5,193,336 07/762,480 03/16/93
5,193,339 07/784,395 03/16/93
5,193,348 07/720,203 03/16/93
5,193,350 07/690,107 03/16/93
5,193,356 07/756,431 03/16/93
5,193,359 07/818,138 03/16/93
5,193,361 07/815,792 03/16/93
5,193,365 07/765,985 03/16/93
5,193,366 07/806,235 03/16/93
5,193,367 07/892,972 03/16/93
5,193,368 07/896,654 03/16/93
5,193,370 07/860,096 03/16/93
5,193,372 07/687,794 03/16/93
5,193,380 07/755,243 03/16/93
5,193,382 07/735,784 03/16/93
5,193,385 07/685,644 03/16/93
5,193,389 07/707,096 03/16/93
5,193,395 07/801,141 03/16/93
5,193,397 07/764,676 03/16/93
5,193,398 07/757,427 03/16/93
5,193,401 07/780,742 03/16/93
5,193,407 07/802,530 03/16/93
5,193,419 07/898,152 03/16/93
5,193,420 07/825,566 03/16/93
5,193,422 07/786,070 03/16/93
5,193,431 07/609,279 03/16/93
5,193,435 07/918,792 03/16/93
5,193,438 07/824,360 03/16/93
5,193,441 07/846,871 03/16/93
5,193,442 07/642,036 03/16/93
5,193,444 07/686,426 03/16/93
5,193,445 07/787,041 03/16/93
5,193,449 07/616,545 03/16/93
5,193,456 07/803,488 03/16/93
5,193,457 07/715,765 03/16/93
5,193,459 07/803,335 03/16/93
5,193,463 07/866,457 03/16/93
5,193,464 07/691,449 03/16/93
5,193,467 07/839,812 03/16/93
5,193,470 07/790,202 03/16/93
5,193,474 07/838,367 03/16/93
5,193,475 07/891,027 03/16/93
5,193,476 07/758,007 03/16/93
5,193,479 07/699,167 03/16/93
5,193,486 07/856,293 03/16/93
5,193,488 07/793,126 03/16/93
5,193,490 07/753,509 03/16/93
5,193,494 07/579,743 03/16/93
5,193,505 07/838,262 03/16/93
5,193,506 07/775,643 03/16/93
5,193,509 07/848,084 03/16/93
5,193,510 07/895,056 03/16/93
5,193,515 07/851,001 03/16/93
5,193,522 07/860,285 03/16/93
5,193,523 07/719,411 03/16/93
5,193,524 07/787,377 03/16/93
5,193,529 07/562,573 03/16/93
5,193,542 07/856,999 03/16/93
5,193,543 07/865,774 03/16/93
5,193,544 07/650,824 03/16/93
5,193,551 07/560,851 03/16/93
5,193,556 07/733,107 03/16/93
5,193,569 07/860,441 03/16/93
5,193,581 07/853,072 03/16/93
5,193,589 07/818,814 03/16/93
5,193,593 07/841,860 03/16/93
5,193,594 07/864,055 03/16/93
5,193,604 07/659,302 03/16/93
5,193,605 07/787,807 03/16/93
5,193,613 07/906,553 03/16/93
5,193,621 07/693,759 03/16/93
5,193,627 07/664,325 03/16/93
5,193,641 07/753,337 03/16/93
5,193,642 07/863,959 03/16/93
5,193,643 07/735,416 03/16/93
5,193,644 07/684,104 03/16/93
5,193,648 07/705,126 03/16/93
5,193,651 07/757,210 03/16/93
5,193,662 07/861,086 03/16/93
5,193,681 07/840,561 03/16/93
5,193,683 07/784,647 03/16/93
5,193,685 07/718,014 03/16/93
5,193,691 07/750,162 03/16/93
5,193,692 07/867,365 03/16/93
5,193,694 07/812,162 03/16/93
5,193,697 07/735,804 03/16/93
5,193,700 07/759,540 03/16/93
5,193,708 07/820,538 03/16/93
5,193,712 07/838,060 03/16/93
5,193,714 07/903,743 03/16/93
5,193,723 07/784,161 03/16/93
5,193,732 07/771,706 03/16/93
5,193,736 07/662,743 03/16/93
5,193,737 07/420,450 03/16/93
5,193,749 07/737,647 03/16/93
5,193,753 07/815,350 03/16/93
5,193,767 07/748,591 03/16/93
5,193,770 07/857,115 03/16/93
5,193,771 07/750,654 03/16/93
5,193,777 07/886,423 03/16/93
5,193,781 07/875,971 03/16/93
5,193,783 07/725,468 03/16/93
5,193,788 07/845,728 03/16/93
5,193,792 07/836,216 03/16/93
5,193,801 07/779,557 03/16/93
5,193,804 07/594,277 03/16/93
5,193,806 07/878,534 03/16/93
5,193,813 07/698,488 03/16/93
5,193,816 07/861,469 03/16/93
5,193,819 07/828,119 03/16/93
5,193,821 07/539,916 03/16/93
5,193,822 07/690,707 03/16/93
5,193,823 07/893,902 03/16/93
5,193,825 07/770,355 03/16/93
5,193,827 07/868,457 03/16/93
5,193,831 07/779,350 03/16/93
5,193,832 07/762,576 03/16/93
5,193,839 07/751,643 03/16/93
5,193,841 07/556,845 03/16/93
5,193,848 07/764,907 03/16/93
5,193,853 07/864,202 03/16/93
5,193,858 07/740,233 03/16/93
5,193,873 07/879,446 03/16/93
5,193,881 07/780,361 03/16/93
5,193,883 07/688,501 03/16/93
5,193,890 07/869,076 03/16/93
5,193,891 07/662,211 03/16/93
5,193,896 07/820,192 03/16/93
5,193,902 07/879,778 03/16/93
5,193,903 07/943,717 03/16/93
5,193,904 07/943,728 03/16/93
5,193,905 07/806,622 03/16/93
5,193,909 07/881,980 03/16/93
5,193,922 07/688,010 03/16/93
5,193,927 07/494,095 03/16/93
5,193,929 07/892,072 03/16/93
5,193,932 07/886,412 03/16/93
5,193,933 07/828,724 03/16/93
5,193,936 07/721,935 03/16/93
5,193,942 07/642,270 03/16/93
5,193,954 07/784,845 03/16/93
5,193,959 07/765,741 03/16/93
5,193,963 07/608,658 03/16/93
5,193,970 07/667,546 03/16/93
5,193,973 07/770,779 03/16/93
5,193,978 07/764,166 03/16/93
5,193,988 07/628,431 03/16/93
5,193,994 07/650,917 03/16/93
5,193,999 07/791,726 03/16/93
5,194,001 07/738,963 03/16/93
5,194,002 07/561,311 03/16/93
5,194,008 07/858,196 03/16/93
5,194,015 07/570,466 03/16/93
5,194,018 07/823,904 03/16/93
5,194,029 07/906,848 03/16/93
5,194,032 07/695,467 03/16/93
5,194,038 07/905,769 03/16/93
5,194,039 07/732,735 03/16/93
5,194,050 07/782,126 03/16/93
5,194,061 07/851,625 03/16/93
5,194,064 07/920,253 03/16/93
5,194,068 07/720,066 03/16/93
5,194,069 07/576,486 03/16/93
5,194,081 07/758,250 03/16/93
5,194,084 07/915,037 03/16/93
5,194,094 07/713,807 03/16/93
5,194,103 07/695,144 03/16/93
5,194,107 07/680,014 03/16/93
5,194,112 07/915,566 03/16/93
5,194,121 07/689,946 03/16/93
5,194,124 07/798,608 03/16/93
5,194,126 07/778,800 03/16/93
5,194,130 07/631,551 03/16/93
5,194,143 07/793,754 03/16/93
5,194,147 07/741,084 03/16/93
5,194,148 07/691,800 03/16/93
5,194,150 07/739,282 03/16/93
5,194,165 07/653,366 03/16/93
5,194,167 07/697,039 03/16/93
5,194,171 07/639,620 03/16/93
5,194,179 07/316,195 03/16/93
5,194,182 07/660,784 03/16/93
5,194,183 07/399,634 03/16/93
5,194,186 07/807,253 03/16/93
5,194,188 07/656,141 03/16/93
5,194,196 07/418,435 03/16/93
5,194,198 07/699,871 03/16/93
5,194,202 07/757,932 03/16/93
5,194,206 07/415,588 03/16/93
5,194,209 07/858,385 03/16/93
5,194,218 07/241,234 03/16/93
5,194,221 07/817,751 03/16/93
5,194,222 07/810,882 03/16/93
5,194,223 07/794,532 03/16/93
5,194,225 07/238,087 03/16/93
5,194,231 07/689,853 03/16/93
5,194,236 07/730,410 03/16/93
5,194,237 07/686,936 03/16/93
5,194,238 07/865,725 03/16/93
5,194,239 07/793,100 03/16/93
5,194,246 07/686,106 03/16/93
5,194,252 07/819,369 03/16/93
5,194,261 07/879,533 03/16/93
5,194,263 07/749,695 03/16/93
5,194,264 07/492,791 03/16/93
5,194,268 07/790,932 03/16/93
5,194,273 07/665,207 03/16/93
5,194,279 07/718,499 03/16/93
5,194,280 07/793,159 03/16/93
5,194,287 07/833,016 03/16/93
5,194,290 07/858,176 03/16/93
5,194,291 07/689,295 03/16/93
5,194,292 07/806,360 03/16/93
5,194,308 07/910,516 03/16/93
5,194,311 07/845,005 03/16/93
5,194,328 07/774,145 03/16/93
5,194,332 07/614,465 03/16/93
5,194,339 07/708,763 03/16/93
5,194,340 07/771,401 03/16/93
5,194,343 07/594,485 03/16/93
5,194,347 07/798,003 03/16/93
5,194,358 07/737,288 03/16/93
5,194,360 07/675,275 03/16/93
5,194,376 07/316,768 03/16/93
5,194,388 07/377,278 03/16/93
5,194,391 07/720,983 03/16/93
5,194,396 07/763,171 03/16/93
5,194,397 07/710,498 03/16/93
5,194,415 07/805,675 03/16/93
5,194,421 07/794,694 03/16/93
5,194,424 07/887,121 03/16/93
5,194,426 07/681,310 03/16/93
5,194,428 07/516,275 03/16/93
5,194,432 07/553,371 03/16/93
5,194,442 07/606,132 03/16/93
5,194,452 07/888,061 03/16/93
5,194,465 07/769,916 03/16/93
5,194,467 07/816,918 03/16/93
5,194,483 07/794,972 03/16/93
5,194,491 07/527,947 03/16/93
5,194,497 07/670,045 03/16/93
5,194,502 07/794,886 03/16/93
5,194,506 07/630,920 03/16/93
5,194,509 07/605,134 03/16/93
5,194,511 07/828,575 03/16/93
5,194,515 07/483,830 03/16/93
5,194,519 07/802,928 03/16/93
5,194,526 07/921,944 03/16/93
5,194,532 07/898,046 03/16/93
5,194,534 07/764,657 03/16/93
5,194,541 07/675,927 03/16/93
5,194,545 07/788,464 03/16/93
5,194,547 07/711,780 03/16/93
5,194,549 07/725,321 03/16/93
5,194,550 07/864,783 03/16/93
5,194,552 07/859,157 03/16/93
5,194,555 07/664,871 03/16/93
5,194,557 07/644,761 03/16/93
5,194,558 07/767,441 03/16/93
5,194,563 07/679,104 03/16/93
5,194,565 07/735,488 03/16/93
5,194,567 07/681,741 03/16/93
5,194,572 07/924,305 03/16/93
5,194,574 07/787,360 03/16/93
5,194,575 07/689,418 03/16/93
5,194,582 07/933,140 03/16/93
5,194,587 07/723,668 03/16/93
5,194,593 07/592,685 03/16/93
5,194,606 07/734,490 03/16/93
5,194,607 07/722,108 03/16/93
5,194,608 07/719,492 03/16/93
5,194,609 07/918,185 03/16/93
5,194,611 07/683,772 03/16/93
5,194,612 07/859,641 03/16/93
5,194,624 07/520,814 03/16/93
5,194,625 07/450,089 03/16/93
5,194,627 07/882,899 03/16/93
5,194,637 07/748,672 03/16/93
5,194,647 07/889,698 03/16/93
5,194,648 07/562,321 03/16/93
5,194,649 07/825,906 03/16/93
5,194,651 07/827,586 03/16/93
5,194,652 07/891,378 03/16/93
5,194,655 07/699,376 03/16/93
5,194,656 07/867,329 03/16/93
5,194,659 07/901,618 03/16/93
5,194,661 07/569,686 03/16/93
5,194,669 07/759,385 03/16/93
5,194,676 07/674,745 03/16/93
5,194,682 07/797,542 03/16/93
5,194,687 07/846,020 03/16/93
5,194,690 07/482,498 03/16/93
5,194,691 07/612,586 03/16/93
5,194,693 07/779,776 03/16/93
5,194,701 07/757,765 03/16/93
5,194,716 07/767,710 03/16/93
5,194,718 07/559,387 03/16/93
5,194,721 07/512,185 03/16/93
5,194,730 07/887,160 03/16/93
5,194,748 07/720,522 03/16/93
5,194,755 07/665,199 03/16/93
5,194,756 07/902,408 03/16/93
5,194,758 07/522,643 03/16/93
5,194,782 07/732,915 03/16/93
5,194,791 07/554,568 03/16/93
5,194,792 07/613,713 03/16/93
5,194,794 07/819,292 03/16/93
5,194,795 07/635,610 03/16/93
5,194,797 07/712,832 03/16/93
5,194,799 07/667,478 03/16/93
5,194,803 07/594,273 03/16/93
5,194,809 07/574,766 03/16/93
5,194,811 07/561,898 03/16/93
5,194,812 07/762,603 03/16/93
5,194,816 07/600,464 03/16/93
5,194,817 07/732,072 03/16/93
5,194,823 07/802,047 03/16/93
5,194,829 07/755,386 03/16/93
5,194,832 07/745,712 03/16/93
5,194,838 07/797,851 03/16/93
5,194,839 07/886,244 03/16/93
5,194,843 07/719,850 03/16/93
5,194,852 07/368,241 03/16/93
5,194,856 07/711,904 03/16/93
5,194,860 07/613,319 03/16/93
5,194,875 07/711,846 03/16/93
5,194,882 07/709,544 03/16/93
5,194,885 07/716,141 03/16/93
5,194,898 07/844,290 03/16/93
5,194,905 07/619,649 03/16/93
5,194,907 07/735,909 03/16/93
5,194,913 07/672,335 03/16/93
5,194,922 07/676,311 03/16/93
5,194,925 07/657,766 03/16/93
5,194,926 07/770,219 03/16/93
5,194,943 07/788,236 03/16/93
5,194,966 07/616,134 03/16/93
5,194,973 07/799,275 03/16/93
5,194,987 07/753,528 03/16/93
5,194,992 07/578,871 03/16/93
5,194,995 07/639,017 03/16/93
5,194,996 07/510,288 03/16/93
5,195,000 07/579,062 03/16/93
5,195,005 07/890,372 03/16/93
5,195,007 07/706,966 03/16/93
5,195,011 07/609,846 03/16/93
5,195,019 07/832,881 03/16/93
5,195,032 07/643,699 03/16/93
5,195,034 07/779,693 03/16/93
5,195,044 07/639,965 03/16/93
5,195,048 07/662,138 03/16/93
5,195,052 07/807,305 03/16/93
5,195,054 07/618,631 03/16/93
5,195,055 07/833,562 03/16/93
5,195,064 07/776,736 03/16/93
5,195,072 07/327,820 03/16/93
5,195,075 07/693,866 03/16/93
5,195,094 07/586,299 03/16/93
5,195,117 07/874,274 03/16/93
5,195,120 07/811,649 03/16/93
5,195,124 07/781,857 03/16/93
5,195,141 07/715,647 03/16/93
5,195,147 07/516,924 03/16/93
5,195,153 07/809,671 03/16/93
5,195,158 07/649,612 03/16/93
5,195,159 07/805,327 03/16/93
5,195,164 07/525,194 03/16/93
5,195,167 07/871,600 03/16/93
5,195,171 07/767,565 03/16/93
5,195,173 07/833,623 03/16/93
PATENTS WHICH EXPIRED ON March 18, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,611,079 08/429,994 03/18/97
5,611,082 08/671,631 03/18/97
5,611,086 08/643,329 03/18/97
5,611,088 07/843,027 03/18/97
5,611,089 08/507,760 03/18/97
5,611,090 08/500,702 03/18/97
5,611,092 08/517,370 03/18/97
5,611,094 08/519,004 03/18/97
5,611,100 08/622,107 03/18/97
5,611,101 08/550,374 03/18/97
5,611,104 08/652,983 03/18/97
5,611,109 08/603,431 03/18/97
5,611,114 08/461,533 03/18/97
5,611,121 08/650,601 03/18/97
5,611,127 08/589,199 03/18/97
5,611,130 08/084,353 03/18/97
5,611,132 08/645,032 03/18/97
5,611,134 08/664,930 03/18/97
5,611,136 08/447,102 03/18/97
5,611,138 08/424,899 03/18/97
5,611,142 08/467,185 03/18/97
5,611,156 08/426,574 03/18/97
5,611,167 08/317,357 03/18/97
5,611,183 08/473,440 03/18/97
5,611,191 08/387,559 03/18/97
5,611,193 08/381,532 03/18/97
5,611,195 08/467,042 03/18/97
5,611,208 08/545,578 03/18/97
5,611,211 08/301,763 03/18/97
5,611,212 08/585,155 03/18/97
5,611,222 08/433,439 03/18/97
5,611,229 08/387,456 03/18/97
5,611,233 08/351,431 03/18/97
5,611,236 08/509,019 03/18/97
5,611,240 08/328,571 03/18/97
5,611,241 08/315,966 03/18/97
5,611,243 08/239,959 03/18/97
5,611,246 08/415,867 03/18/97
5,611,247 08/522,373 03/18/97
5,611,249 08/568,366 03/18/97
5,611,251 08/432,282 03/18/97
5,611,254 08/347,690 03/18/97
5,611,260 08/679,804 03/18/97
5,611,269 08/390,979 03/18/97
5,611,278 08/540,902 03/18/97
5,611,290 08/597,243 03/18/97
5,611,296 08/441,532 03/18/97
5,611,298 08/497,081 03/18/97
5,611,305 08/625,868 03/18/97
5,611,314 08/548,116 03/18/97
5,611,324 08/535,948 03/18/97
5,611,326 08/493,828 03/18/97
5,611,335 08/471,246 03/18/97
5,611,345 08/427,741 03/18/97
5,611,347 08/467,629 03/18/97
5,611,352 08/528,249 03/18/97
5,611,357 08/385,794 03/18/97
5,611,358 08/525,843 03/18/97
5,611,369 08/380,494 03/18/97
5,611,376 08/442,093 03/18/97
5,611,380 08/565,218 03/18/97
5,611,393 08/609,770 03/18/97
5,611,397 08/447,122 03/18/97
5,611,408 08/418,477 03/18/97
5,611,409 08/437,665 03/18/97
5,611,414 08/421,784 03/18/97
5,611,422 08/397,432 03/18/97
5,611,427 08/589,412 03/18/97
5,611,430 08/440,663 03/18/97
5,611,436 08/501,773 03/18/97
5,611,439 08/628,854 03/18/97
5,611,440 08/441,834 03/18/97
5,611,441 08/292,279 03/18/97
5,611,447 08/358,960 03/18/97
5,611,454 08/328,082 03/18/97
5,611,464 08/449,476 03/18/97
5,611,465 08/407,362 03/18/97
5,611,466 08/540,480 03/18/97
5,611,473 08/417,634 03/18/97
5,611,475 07/658,691 03/18/97
5,611,482 08/247,578 03/18/97
5,611,487 08/379,257 03/18/97
5,611,501 08/410,110 03/18/97
5,611,502 08/548,400 03/18/97
5,611,507 08/441,364 03/18/97
5,611,511 08/572,853 03/18/97
5,611,518 08/490,711 03/18/97
5,611,519 08/467,957 03/18/97
5,611,534 08/307,784 03/18/97
5,611,542 08/703,443 03/18/97
5,611,546 08/444,078 03/18/97
5,611,552 08/526,409 03/18/97
5,611,553 08/440,487 03/18/97
5,611,558 08/503,310 03/18/97
5,611,561 08/501,612 03/18/97
5,611,564 08/109,122 03/18/97
5,611,566 08/373,471 03/18/97
5,611,571 08/501,083 03/18/97
5,611,572 08/307,694 03/18/97
5,611,578 08/588,264 03/18/97
5,611,585 08/377,119 03/18/97
5,611,590 08/616,159 03/18/97
5,611,597 08/301,557 03/18/97
5,611,607 08/548,028 03/18/97
5,611,609 08/416,058 03/18/97
5,611,610 08/416,174 03/18/97
5,611,614 08/689,506 03/18/97
5,611,615 08/643,566 03/18/97
5,611,618 08/431,533 03/18/97
5,611,622 08/606,442 03/18/97
5,611,625 08/534,412 03/18/97
5,611,634 08/584,078 03/18/97
5,611,639 08/558,623 03/18/97
5,611,650 08/515,622 03/18/97
5,611,659 08/465,642 03/18/97
5,611,660 08/538,999 03/18/97
5,611,664 08/453,545 03/18/97
5,611,665 08/531,387 03/18/97
5,611,672 08/470,674 03/18/97
5,611,676 08/507,836 03/18/97
5,611,691 08/373,363 03/18/97
5,611,692 08/529,651 03/18/97
5,611,693 08/262,832 03/18/97
5,611,694 08/469,100 03/18/97
5,611,708 08/501,607 03/18/97
5,611,712 08/262,312 03/18/97
5,611,720 08/604,010 03/18/97
5,611,732 08/512,137 03/18/97
5,611,736 08/479,005 03/18/97
5,611,744 08/391,669 03/18/97
5,611,747 08/586,213 03/18/97
5,611,748 08/481,629 03/18/97
5,611,755 08/456,857 03/18/97
5,611,766 08/597,114 03/18/97
5,611,768 08/473,017 03/18/97
5,611,771 08/339,030 03/18/97
5,611,788 08/497,933 03/18/97
5,611,805 08/433,862 03/18/97
5,611,808 08/527,228 03/18/97
5,611,810 08/375,312 03/18/97
5,611,811 08/236,563 03/18/97
5,611,822 08/639,714 03/18/97
5,611,833 08/229,215 03/18/97
5,611,837 08/327,745 03/18/97
5,611,845 08/518,020 03/18/97
5,611,857 08/474,662 03/18/97
5,611,858 08/317,715 03/18/97
5,611,889 08/551,046 03/18/97
5,611,894 08/483,067 03/18/97
5,611,901 08/430,487 03/18/97
5,611,902 08/355,423 03/18/97
5,611,906 08/487,524 03/18/97
5,611,913 08/367,412 03/18/97
5,611,917 08/552,008 03/18/97
5,611,930 08/135,403 03/18/97
5,611,933 08/422,412 03/18/97
5,611,935 08/481,461 03/18/97
5,611,939 08/657,122 03/18/97
5,611,947 08/302,048 03/18/97
5,611,949 08/650,045 03/18/97
5,611,951 08/575,857 03/18/97
5,611,976 08/447,306 03/18/97
5,611,987 08/281,686 03/18/97
5,611,993 08/519,389 03/18/97
5,612,002 08/430,696 03/18/97
5,612,004 08/369,696 03/18/97
5,612,019 08/195,070 03/18/97
5,612,020 08/141,337 03/18/97
5,612,023 08/633,953 03/18/97
5,612,039 08/426,677 03/18/97
5,612,073 08/378,515 03/18/97
5,612,081 08/589,701 03/18/97
5,612,095 08/653,078 03/18/97
5,612,116 08/614,607 03/18/97
5,612,120 08/634,916 03/18/97
5,612,126 08/182,986 03/18/97
5,612,133 08/631,623 03/18/97
5,612,158 08/625,214 03/18/97
5,612,178 07/933,971 03/18/97
5,612,180 08/247,903 03/18/97
5,612,181 08/282,627 03/18/97
5,612,185 08/306,525 03/18/97
5,612,195 08/244,557 03/18/97
5,612,199 08/221,662 03/18/97
5,612,203 08/244,117 03/18/97
5,612,210 08/366,457 03/18/97
5,612,226 08/538,199 03/18/97
5,612,233 08/403,194 03/18/97
5,612,267 08/465,616 03/18/97
5,612,272 08/214,751 03/18/97
5,612,274 08/416,261 03/18/97
5,612,284 08/452,166 03/18/97
5,612,300 08/309,450 03/18/97
5,612,302 08/176,265 03/18/97
5,612,304 08/499,355 03/18/97
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