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 February 21, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
4,805,242 07/164,842 02/21/89
4,805,247 07/035,887 02/21/89
4,805,248 07/100,195 02/21/89
4,805,271 07/164,093 02/21/89
4,805,279 07/092,298 02/21/89
4,805,294 07/010,883 02/21/89
4,805,301 07/076,957 02/21/89
4,805,320 07/112,621 02/21/89
4,805,325 07/139,147 02/21/89
4,805,330 07/068,038 02/21/89
4,805,332 07/138,290 02/21/89
4,805,335 07/162,986 02/21/89
4,805,337 07/111,216 02/21/89
4,805,339 07/133,498 02/21/89
4,805,342 06/870,849 02/21/89
4,805,343 06/920,440 02/21/89
4,805,344 07/138,568 02/21/89
4,805,347 07/092,759 02/21/89
4,805,351 07/153,263 02/21/89
4,805,363 07/194,883 02/21/89
4,805,364 07/191,792 02/21/89
4,805,381 07/022,436 02/21/89
4,805,387 07/101,403 02/21/89
4,805,395 07/191,402 02/21/89
4,805,396 06/915,167 02/21/89
4,805,405 07/065,475 02/21/89
4,805,411 07/125,126 02/21/89
4,805,439 07/094,405 02/21/89
4,805,446 07/114,755 02/21/89
4,805,451 07/087,541 02/21/89
4,805,453 07/138,911 02/21/89
4,805,466 07/108,442 02/21/89
4,805,491 07/155,879 02/21/89
4,805,493 06/512,741 02/21/89
4,805,501 07/017,208 02/21/89
4,805,514 07/044,574 02/21/89
4,805,516 07/095,577 02/21/89
4,805,522 07/198,675 02/21/89
4,805,524 07/037,540 02/21/89
4,805,536 07/128,320 02/21/89
4,805,546 07/148,161 02/21/89
4,805,555 07/113,165 02/21/89
4,805,566 07/116,866 02/21/89
4,805,570 07/137,057 02/21/89
4,805,574 07/090,898 02/21/89
4,805,576 07/173,595 02/21/89
4,805,578 07/111,289 02/21/89
4,805,579 07/008,241 02/21/89
4,805,588 07/055,911 02/21/89
4,805,604 07/169,391 02/21/89
4,805,606 06/910,632 02/21/89
4,805,609 07/074,867 02/21/89
4,805,616 06/933,026 02/21/89
4,805,622 07/025,510 02/21/89
4,805,630 07/073,022 02/21/89
4,805,633 07/140,043 02/21/89
4,805,636 07/124,348 02/21/89
4,805,638 06/933,580 02/21/89
4,805,641 06/837,096 02/21/89
4,805,648 07/129,168 02/21/89
4,805,649 07/117,155 02/21/89
4,805,651 07/065,862 02/21/89
4,805,664 07/145,731 02/21/89
4,805,670 07/098,302 02/21/89
4,805,671 07/051,489 02/21/89
4,805,688 06/896,124 02/21/89
4,805,692 07/024,257 02/21/89
4,805,700 07/055,604 02/21/89
4,805,705 07/096,266 02/21/89
4,805,717 07/031,997 02/21/89
4,805,723 07/131,424 02/21/89
4,805,724 07/049,661 02/21/89
4,805,726 06/797,301 02/21/89
4,805,732 07/113,664 02/21/89
4,805,733 07/070,447 02/21/89
4,805,742 07/046,369 02/21/89
4,805,752 07/170,773 02/21/89
4,805,756 07/093,677 02/21/89
4,805,768 07/096,786 02/21/89
4,805,790 07/094,219 02/21/89
4,805,798 07/188,365 02/21/89
4,805,799 07/163,900 02/21/89
4,805,808 07/055,440 02/21/89
4,805,827 07/092,469 02/21/89
4,805,828 07/007,076 02/21/89
4,805,845 07/086,952 02/21/89
4,805,870 06/715,588 02/21/89
4,805,871 07/091,023 02/21/89
4,805,882 07/066,166 02/21/89
4,805,892 07/177,245 02/21/89
4,805,913 07/096,769 02/21/89
4,805,915 07/015,132 02/21/89
4,805,919 07/072,926 02/21/89
4,805,928 07/076,802 02/21/89
4,805,942 07/088,813 02/21/89
4,805,950 07/133,392 02/21/89
4,805,955 07/172,627 02/21/89
4,805,964 07/156,773 02/21/89
4,805,983 07/098,782 02/21/89
4,805,986 07/076,149 02/21/89
4,805,999 06/933,091 02/21/89
4,806,004 07/072,150 02/21/89
4,806,015 07/130,717 02/21/89
4,806,045 07/207,457 02/21/89
4,806,056 06/882,603 02/21/89
4,806,071 07/140,605 02/21/89
4,806,083 06/921,315 02/21/89
4,806,086 07/044,036 02/21/89
4,806,092 07/154,590 02/21/89
4,806,093 07/154,279 02/21/89
4,806,099 07/115,198 02/21/89
4,806,103 07/162,187 02/21/89
4,806,109 07/148,465 02/21/89
4,806,112 07/103,503 02/21/89
4,806,113 06/815,849 02/21/89
4,806,118 07/144,940 02/21/89
4,806,119 07/118,431 02/21/89
4,806,120 07/145,423 02/21/89
4,806,124 07/044,968 02/21/89
4,806,126 07/172,010 02/21/89
4,806,136 07/133,429 02/21/89
4,806,138 07/146,679 02/21/89
4,806,145 06/824,696 02/21/89
4,806,152 07/157,752 02/21/89
4,806,153 07/020,155 02/21/89
4,806,154 06/914,373 02/21/89
4,806,159 07/074,104 02/21/89
4,806,167 07/043,214 02/21/89
4,806,170 06/928,565 02/21/89
4,806,178 06/942,960 02/21/89
4,806,184 07/091,262 02/21/89
4,806,185 07/074,074 02/21/89
4,806,188 07/164,452 02/21/89
4,806,212 07/031,849 02/21/89
4,806,215 07/224,756 02/21/89
4,806,217 07/105,072 02/21/89
4,806,221 07/031,320 02/21/89
4,806,227 07/059,152 02/21/89
4,806,244 07/073,033 02/21/89
4,806,248 07/192,326 02/21/89
4,806,258 07/093,814 02/21/89
4,806,264 07/091,812 02/21/89
4,806,271 07/013,305 02/21/89
4,806,280 07/081,634 02/21/89
4,806,282 07/106,057 02/21/89
4,806,288 07/100,295 02/21/89
4,806,291 07/205,691 02/21/89
4,806,293 07/037,172 02/21/89
4,806,294 07/207,125 02/21/89
4,806,295 07/168,581 02/21/89
4,806,302 07/089,770 02/21/89
4,806,306 07/168,548 02/21/89
4,806,309 07/141,057 02/21/89
4,806,315 07/069,070 02/21/89
4,806,316 07/027,280 02/21/89
4,806,325 07/219,963 02/21/89
4,806,326 07/086,016 02/21/89
4,806,327 06/872,942 02/21/89
4,806,335 07/119,635 02/21/89
4,806,338 06/826,409 02/21/89
4,806,346 06/942,313 02/21/89
4,806,349 06/646,545 02/21/89
4,806,371 06/928,557 02/21/89
4,806,372 06/797,537 02/21/89
4,806,382 07/037,153 02/21/89
4,806,400 06/867,110 02/21/89
4,806,409 07/051,783 02/21/89
4,806,419 07/023,656 02/21/89
4,806,433 07/048,615 02/21/89
4,806,436 07/047,559 02/21/89
4,806,448 07/125,668 02/21/89
4,806,451 07/066,125 02/21/89
4,806,468 07/011,663 02/21/89
4,806,474 06/743,108 02/21/89
4,806,481 07/013,293 02/21/89
4,806,486 06/823,325 02/21/89
4,806,492 06/766,864 02/21/89
4,806,499 07/079,804 02/21/89
4,806,502 07/133,252 02/21/89
4,806,505 07/114,773 02/21/89
4,806,508 06/908,458 02/21/89
4,806,510 07/044,203 02/21/89
4,806,513 06/615,001 02/21/89
4,806,516 07/077,641 02/21/89
4,806,521 07/169,371 02/21/89
4,806,528 07/093,436 02/21/89
4,806,534 06/921,397 02/21/89
4,806,539 06/931,575 02/21/89
4,806,543 06/934,733 02/21/89
4,806,545 06/851,327 02/21/89
4,806,547 07/006,068 02/21/89
4,806,568 06/775,196 02/21/89
4,806,569 07/045,545 02/21/89
4,806,573 07/209,760 02/21/89
4,806,579 07/007,002 02/21/89
4,806,585 07/096,406 02/21/89
4,806,591 06/921,173 02/21/89
4,806,592 07/091,463 02/21/89
4,806,599 07/135,207 02/21/89
4,806,620 07/031,631 02/21/89
4,806,629 07/030,284 02/21/89
4,806,630 07/099,263 02/21/89
4,806,640 07/077,939 02/21/89
4,806,643 06/932,312 02/21/89
4,806,644 07/033,433 02/21/89
4,806,651 07/105,330 02/21/89
4,806,657 06/860,706 02/21/89
4,806,671 06/860,428 02/21/89
4,806,672 07/148,544 02/21/89
4,806,685 06/825,777 02/21/89
4,806,686 07/042,823 02/21/89
4,806,694 07/098,970 02/21/89
4,806,695 07/114,965 02/21/89
4,806,697 07/029,949 02/21/89
4,806,698 07/029,956 02/21/89
4,806,703 07/142,666 02/21/89
4,806,707 07/155,500 02/21/89
4,806,715 07/071,828 02/21/89
4,806,717 06/487,921 02/21/89
4,806,740 06/909,145 02/21/89
4,806,748 07/065,436 02/21/89
4,806,751 07/213,468 02/21/89
4,806,769 07/051,397 02/21/89
4,806,780 07/059,814 02/21/89
4,806,786 07/115,953 02/21/89
4,806,799 07/160,885 02/21/89
4,806,801 07/090,270 02/21/89
4,806,803 06/867,552 02/21/89
4,806,809 07/059,612 02/21/89
4,806,811 07/001,372 02/21/89
4,806,823 07/109,789 02/21/89
4,806,828 07/047,274 02/21/89
4,806,831 07/062,186 02/21/89
4,806,833 06/909,547 02/21/89
4,806,834 07/039,081 02/21/89
4,806,839 07/063,478 02/21/89
4,806,841 07/162,025 02/21/89
4,806,847 06/939,534 02/21/89
4,806,849 07/030,515 02/21/89
4,806,860 07/059,941 02/21/89
4,806,865 07/121,910 02/21/89
4,806,867 07/052,874 02/21/89
4,806,891 07/166,860 02/21/89
4,806,892 07/118,820 02/21/89
4,806,899 07/039,299 02/21/89
4,806,904 07/145,321 02/21/89
4,806,906 07/008,681 02/21/89
4,806,929 07/032,446 02/21/89
4,806,945 07/098,354 02/21/89
4,806,952 07/069,177 02/21/89
4,806,957 07/170,439 02/21/89
4,806,973 07/220,907 02/21/89
4,806,988 07/088,893 02/21/89
4,806,993 06/902,926 02/21/89
4,806,995 07/009,854 02/21/89
4,806,997 07/147,052 02/21/89
4,807,002 07/201,353 02/21/89
4,807,005 06/254,672 02/21/89
4,807,020 06/630,391 02/21/89
4,807,024 07/059,759 02/21/89
4,807,027 07/143,235 02/21/89
4,807,038 07/167,809 02/21/89
4,807,053 06/924,547 02/21/89
4,807,058 06/908,718 02/21/89
4,807,061 07/140,163 02/21/89
4,807,063 07/053,824 02/21/89
4,807,064 07/032,807 02/21/89
4,807,070 07/071,418 02/21/89
4,807,073 07/040,127 02/21/89
4,807,074 07/127,162 02/21/89
4,807,075 07/097,316 02/21/89
4,807,084 07/092,589 02/21/89
4,807,085 07/196,391 02/21/89
4,807,106 07/193,870 02/21/89
4,807,110 06/597,801 02/21/89
4,807,119 06/889,121 02/21/89
4,807,124 06/912,310 02/21/89
4,807,132 06/883,784 02/21/89
4,807,135 06/933,130 02/21/89
4,807,138 06/926,976 02/21/89
4,807,140 06/670,377 02/21/89
4,807,147 06/804,224 02/21/89
4,807,149 06/889,065 02/21/89
4,807,154 07/008,033 02/21/89
4,807,157 07/115,732 02/21/89
4,807,158 06/913,507 02/21/89
4,807,162 06/947,438 02/21/89
4,807,165 07/115,469 02/21/89
4,807,181 06/869,777 02/21/89
4,807,186 07/214,826 02/21/89
4,807,195 07/050,361 02/21/89
4,807,202 06/853,307 02/21/89
4,807,219 07/005,752 02/21/89
4,807,223 07/106,748 02/21/89
4,807,228 07/027,541 02/21/89
4,807,229 07/050,549 02/21/89
4,807,230 07/055,805 02/21/89
4,807,238 07/024,585 02/21/89
4,807,241 07/071,850 02/21/89
4,807,250 06/915,351 02/21/89
4,807,257 06/895,966 02/21/89
4,807,267 07/045,467 02/21/89
4,807,284 07/058,730 02/21/89
4,807,292 07/107,104 02/21/89
4,807,293 07/114,783 02/21/89
PATENTS WHICH EXPIRED ON February 16, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,185,894 07/793,829 02/16/93
5,185,895 07/828,776 02/16/93
5,185,897 07/903,509 02/16/93
5,185,898 07/892,217 02/16/93
5,185,900 07/638,334 02/16/93
5,185,902 07/723,207 02/16/93
5,185,924 07/711,818 02/16/93
5,185,928 07/792,448 02/16/93
5,185,929 07/886,867 02/16/93
5,185,937 07/893,102 02/16/93
5,185,938 07/833,116 02/16/93
5,185,943 07/762,265 02/16/93
5,185,947 07/737,191 02/16/93
5,185,948 07/694,497 02/16/93
5,185,949 07/810,155 02/16/93
5,185,952 07/757,997 02/16/93
5,185,955 07/676,900 02/16/93
5,185,959 07/899,052 02/16/93
5,185,963 07/865,356 02/16/93
5,185,967 07/655,329 02/16/93
5,185,970 07/783,734 02/16/93
5,185,972 07/661,208 02/16/93
5,185,980 07/667,312 02/16/93
5,185,981 07/827,562 02/16/93
5,185,983 07/844,532 02/16/93
5,185,996 07/633,548 02/16/93
5,185,998 07/866,625 02/16/93
5,186,002 07/820,335 02/16/93
5,186,004 07/793,920 02/16/93
5,186,005 07/666,067 02/16/93
5,186,006 07/854,103 02/16/93
5,186,010 07/700,570 02/16/93
5,186,012 07/764,788 02/16/93
5,186,016 07/782,485 02/16/93
5,186,021 07/702,471 02/16/93
5,186,023 07/859,916 02/16/93
5,186,024 07/829,975 02/16/93
5,186,028 07/799,401 02/16/93
5,186,032 07/754,950 02/16/93
5,186,038 07/741,420 02/16/93
5,186,043 07/706,275 02/16/93
5,186,049 07/772,886 02/16/93
5,186,055 07/709,551 02/16/93
5,186,057 07/779,865 02/16/93
5,186,066 07/824,960 02/16/93
5,186,073 07/883,526 02/16/93
5,186,076 07/557,645 02/16/93
5,186,078 07/851,823 02/16/93
5,186,083 07/905,455 02/16/93
5,186,086 07/700,455 02/16/93
5,186,087 07/766,753 02/16/93
5,186,091 07/695,725 02/16/93
5,186,095 07/840,101 02/16/93
5,186,098 07/666,906 02/16/93
5,186,106 07/797,443 02/16/93
5,186,115 07/736,634 02/16/93
5,186,118 07/725,574 02/16/93
5,186,124 07/881,227 02/16/93
5,186,126 07/676,579 02/16/93
5,186,129 07/859,785 02/16/93
5,186,134 07/761,248 02/16/93
5,186,137 07/747,434 02/16/93
5,186,139 07/835,545 02/16/93
5,186,145 07/810,415 02/16/93
5,186,146 07/864,129 02/16/93
5,186,152 07/833,257 02/16/93
5,186,153 07/777,313 02/16/93
5,186,159 07/783,782 02/16/93
5,186,160 07/750,987 02/16/93
5,186,180 07/705,790 02/16/93
5,186,181 07/558,670 02/16/93
5,186,184 07/619,967 02/16/93
5,186,186 07/833,635 02/16/93
5,186,189 07/792,419 02/16/93
5,186,192 07/804,451 02/16/93
5,186,195 07/714,576 02/16/93
5,186,197 07/908,351 02/16/93
5,186,200 07/739,156 02/16/93
5,186,208 07/724,819 02/16/93
5,186,210 07/775,867 02/16/93
5,186,214 07/549,850 02/16/93
5,186,220 07/723,852 02/16/93
5,186,224 07/674,377 02/16/93
5,186,226 07/896,658 02/16/93
5,186,227 07/582,933 02/16/93
5,186,231 07/877,086 02/16/93
5,186,254 07/616,055 02/16/93
5,186,259 07/793,530 02/16/93
5,186,260 07/691,316 02/16/93
5,186,272 07/720,567 02/16/93
5,186,275 07/886,212 02/16/93
5,186,287 07/618,658 02/16/93
5,186,292 07/881,107 02/16/93
5,186,298 07/752,584 02/16/93
5,186,304 07/649,537 02/16/93
5,186,308 07/762,406 02/16/93
5,186,310 07/908,755 02/16/93
5,186,320 07/707,807 02/16/93
5,186,321 07/843,928 02/16/93
5,186,327 07/893,435 02/16/93
5,186,328 07/764,260 02/16/93
5,186,333 07/766,789 02/16/93
5,186,334 07/324,551 02/16/93
5,186,341 07/818,390 02/16/93
5,186,342 07/845,350 02/16/93
5,186,349 07/765,210 02/16/93
5,186,356 07/653,140 02/16/93
5,186,360 07/803,543 02/16/93
5,186,363 07/838,833 02/16/93
5,186,366 07/743,948 02/16/93
5,186,370 07/659,848 02/16/93
5,186,372 07/882,127 02/16/93
5,186,390 07/721,641 02/16/93
5,186,393 07/794,581 02/16/93
5,186,397 07/678,445 02/16/93
5,186,399 07/622,171 02/16/93
5,186,400 07/711,612 02/16/93
5,186,402 07/822,893 02/16/93
5,186,403 07/921,630 02/16/93
5,186,404 07/740,979 02/16/93
5,186,406 07/733,674 02/16/93
5,186,408 07/699,109 02/16/93
5,186,409 07/512,110 02/16/93
5,186,412 07/499,801 02/16/93
5,186,415 07/524,301 02/16/93
5,186,422 07/822,499 02/16/93
5,186,429 07/872,711 02/16/93
5,186,438 07/607,447 02/16/93
5,186,443 07/662,355 02/16/93
5,186,445 07/780,297 02/16/93
5,186,447 07/580,781 02/16/93
5,186,450 07/721,130 02/16/93
5,186,458 07/780,046 02/16/93
5,186,459 07/671,876 02/16/93
5,186,464 07/782,571 02/16/93
5,186,467 07/826,221 02/16/93
5,186,468 07/805,865 02/16/93
5,186,474 07/801,750 02/16/93
5,186,480 07/926,322 02/16/93
5,186,483 07/834,975 02/16/93
5,186,484 07/817,353 02/16/93
5,186,492 07/743,167 02/16/93
5,186,499 07/727,752 02/16/93
5,186,501 07/674,455 02/16/93
5,186,503 07/684,644 02/16/93
5,186,506 07/859,948 02/16/93
5,186,511 07/820,245 02/16/93
5,186,527 07/866,483 02/16/93
5,186,529 07/616,332 02/16/93
5,186,533 07/866,966 02/16/93
5,186,547 07/879,313 02/16/93
5,186,551 07/515,672 02/16/93
5,186,559 07/731,498 02/16/93
5,186,576 07/755,917 02/16/93
5,186,577 07/715,437 02/16/93
5,186,578 07/763,124 02/16/93
5,186,580 07/689,765 02/16/93
5,186,596 07/770,836 02/16/93
5,186,597 07/749,016 02/16/93
5,186,600 07/643,993 02/16/93
5,186,601 07/760,625 02/16/93
5,186,602 07/623,544 02/16/93
5,186,609 07/631,669 02/16/93
5,186,612 07/821,379 02/16/93
5,186,615 07/543,500 02/16/93
5,186,618 07/770,111 02/16/93
5,186,619 07/685,638 02/16/93
5,186,627 07/800,515 02/16/93
5,186,628 07/737,978 02/16/93
5,186,629 07/748,996 02/16/93
5,186,630 07/774,041 02/16/93
5,186,632 07/762,977 02/16/93
5,186,636 07/858,659 02/16/93
5,186,639 07/819,251 02/16/93
5,186,643 07/762,698 02/16/93
5,186,644 07/884,267 02/16/93
5,186,652 07/780,047 02/16/93
5,186,668 07/865,418 02/16/93
5,186,673 07/882,482 02/16/93
5,186,675 07/794,040 02/16/93
5,186,691 07/840,043 02/16/93
5,186,693 07/750,592 02/16/93
5,186,695 07/603,657 02/16/93
5,186,696 07/674,233 02/16/93
5,186,697 07/576,761 02/16/93
5,186,698 07/717,965 02/16/93
5,186,702 07/779,726 02/16/93
5,186,717 07/764,958 02/16/93
5,186,719 07/688,295 02/16/93
5,186,721 07/810,706 02/16/93
5,186,729 07/692,214 02/16/93
5,186,740 07/581,925 02/16/93
5,186,742 07/799,407 02/16/93
5,186,749 07/765,871 02/16/93
5,186,750 07/477,870 02/16/93
5,186,764 07/746,793 02/16/93
5,186,770 06/626,501 02/16/93
5,186,777 07/614,502 02/16/93
5,186,785 07/688,637 02/16/93
5,186,805 07/822,798 02/16/93
5,186,813 07/864,260 02/16/93
5,186,814 07/860,387 02/16/93
5,186,816 07/492,469 02/16/93
5,186,820 07/802,186 02/16/93
5,186,838 07/664,344 02/16/93
5,186,839 07/764,974 02/16/93
5,186,850 07/910,923 02/16/93
5,186,853 07/674,617 02/16/93
5,186,854 07/526,259 02/16/93
5,186,861 07/643,590 02/16/93
5,186,864 07/597,030 02/16/93
5,186,868 07/505,257 02/16/93
5,186,880 07/547,207 02/16/93
5,186,886 07/760,785 02/16/93
5,186,891 07/702,212 02/16/93
5,186,908 07/565,009 02/16/93
5,186,911 07/517,564 02/16/93
5,186,913 07/692,110 02/16/93
5,186,914 07/669,917 02/16/93
5,186,923 07/594,813 02/16/93
5,186,952 07/796,112 02/16/93
5,186,958 07/716,705 02/16/93
5,186,962 07/668,067 02/16/93
5,186,968 07/756,927 02/16/93
5,186,970 07/724,977 02/16/93
5,186,972 07/710,984 02/16/93
5,186,980 07/783,594 02/16/93
5,186,984 07/545,439 02/16/93
5,186,989 07/488,825 02/16/93
5,187,000 07/611,577 02/16/93
5,187,002 07/490,592 02/16/93
5,187,014 07/567,587 02/16/93
5,187,015 07/312,257 02/16/93
5,187,016 07/726,197 02/16/93
5,187,022 07/490,934 02/16/93
5,187,030 07/730,724 02/16/93
5,187,034 07/675,091 02/16/93
5,187,048 07/751,414 02/16/93
5,187,054 07/891,744 02/16/93
5,187,067 07/670,383 02/16/93
5,187,069 07/562,702 02/16/93
5,187,070 07/594,647 02/16/93
5,187,074 07/840,601 02/16/93
5,187,078 07/540,115 02/16/93
5,187,079 07/288,687 02/16/93
5,187,084 07/542,384 02/16/93
5,187,098 07/888,420 02/16/93
5,187,109 07/733,090 02/16/93
5,187,115 07/639,197 02/16/93
5,187,122 07/661,522 02/16/93
5,187,128 07/551,748 02/16/93
5,187,131 07/759,882 02/16/93
5,187,143 07/783,021 02/16/93
5,187,144 07/649,043 02/16/93
5,187,145 07/667,390 02/16/93
5,187,154 07/626,579 02/16/93
5,187,164 07/650,143 02/16/93
5,187,173 07/814,741 02/16/93
5,187,180 07/729,019 02/16/93
5,187,187 07/640,987 02/16/93
5,187,198 07/698,773 02/16/93
5,187,199 07/762,106 02/16/93
5,187,208 07/788,686 02/16/93
5,187,213 07/843,790 02/16/93
5,187,214 07/729,274 02/16/93
5,187,221 07/147,080 02/16/93
5,187,229 07/806,263 02/16/93
5,187,230 07/742,567 02/16/93
5,187,232 07/594,624 02/16/93
5,187,233 07/490,729 02/16/93
5,187,237 07/761,263 02/16/93
5,187,244 07/381,864 02/16/93
5,187,249 07/604,518 02/16/93
5,187,252 07/645,264 02/16/93
5,187,253 07/734,480 02/16/93
5,187,255 07/876,499 02/16/93
5,187,257 07/902,556 02/16/93
5,187,258 07/497,587 02/16/93
5,187,259 07/612,370 02/16/93
5,187,271 07/662,584 02/16/93
5,187,275 07/769,982 02/16/93
5,187,283 07/796,265 02/16/93
5,187,303 07/868,042 02/16/93
5,187,306 07/723,271 02/16/93
5,187,311 07/764,503 02/16/93
5,187,320 07/803,442 02/16/93
5,187,321 07/787,824 02/16/93
5,187,328 07/619,012 02/16/93
5,187,334 07/751,876 02/16/93
5,187,337 07/779,971 02/16/93
5,187,338 07/771,492 02/16/93
5,187,341 07/435,016 02/16/93
5,187,342 07/635,626 02/16/93
5,187,368 07/581,823 02/16/93
5,187,378 07/739,507 02/16/93
5,187,383 07/609,587 02/16/93
5,187,384 07/584,756 02/16/93
5,187,397 07/853,296 02/16/93
5,187,403 07/520,681 02/16/93
5,187,408 07/636,731 02/16/93
5,187,410 07/868,523 02/16/93
5,187,411 07/738,252 02/16/93
5,187,421 07/460,332 02/16/93
5,187,433 07/766,522 02/16/93
5,187,437 07/637,352 02/16/93
5,187,442 07/768,343 02/16/93
5,187,449 07/831,961 02/16/93
5,187,456 07/587,093 02/16/93
5,187,460 07/665,816 02/16/93
5,187,462 07/480,253 02/16/93
5,187,464 07/880,786 02/16/93
5,187,467 07/639,607 02/16/93
5,187,474 07/188,110 02/16/93
5,187,488 07/612,845 02/16/93
5,187,492 07/723,378 02/16/93
5,187,495 07/669,595 02/16/93
5,187,498 07/735,233 02/16/93
5,187,506 07/589,977 02/16/93
5,187,510 07/625,037 02/16/93
5,187,513 07/779,631 02/16/93
5,187,530 07/411,105 02/16/93
5,187,534 07/707,334 02/16/93
5,187,538 07/785,077 02/16/93
5,187,541 07/726,066 02/16/93
5,187,549 07/651,065 02/16/93
5,187,560 07/689,887 02/16/93
5,187,565 07/717,069 02/16/93
5,187,570 07/537,623 02/16/93
5,187,573 07/757,543 02/16/93
5,187,589 07/784,736 02/16/93
5,187,607 07/491,053 02/16/93
5,187,626 07/689,132 02/16/93
5,187,629 07/685,384 02/16/93
5,187,641 07/782,020 02/16/93
5,187,646 07/827,474 02/16/93
5,187,651 07/775,995 02/16/93
5,187,652 07/797,911 02/16/93
5,187,653 07/577,346 02/16/93
5,187,654 07/649,512 02/16/93
5,187,657 07/505,216 02/16/93
5,187,661 07/382,591 02/16/93
5,187,663 07/592,633 02/16/93
5,187,666 07/658,778 02/16/93
5,187,679 07/711,182 02/16/93
5,187,687 07/220,188 02/16/93
5,187,689 07/783,287 02/16/93
5,187,690 07/892,063 02/16/93
5,187,691 07/813,505 02/16/93
5,187,696 07/398,875 02/16/93
5,187,698 07/490,634 02/16/93
5,187,702 07/634,581 02/16/93
5,187,709 07/742,218 02/16/93
5,187,726 07/767,838 02/16/93
5,187,732 07/756,412 02/16/93
5,187,735 07/517,665 02/16/93
5,187,738 07/755,339 02/16/93
5,187,755 07/369,423 02/16/93
5,187,756 07/758,608 02/16/93
5,187,761 07/702,919 02/16/93
5,187,769 07/840,324 02/16/93
5,187,774 07/469,222 02/16/93
5,187,778 07/579,718 02/16/93
5,187,781 07/915,046 02/16/93
5,187,788 07/725,936 02/16/93
5,187,792 07/521,050 02/16/93
PATENTS WHICH EXPIRED ON February 18, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,603,116 08/244,963 02/18/97
5,603,118 08/452,839 02/18/97
5,603,119 08/267,688 02/18/97
5,603,121 08/608,613 02/18/97
5,603,123 08/452,144 02/18/97
5,603,125 08/633,165 02/18/97
5,603,126 08/415,605 02/18/97
5,603,130 08/039,353 02/18/97
5,603,131 08/577,694 02/18/97
5,603,138 08/384,752 02/18/97
5,603,139 08/365,235 02/18/97
5,603,140 08/583,631 02/18/97
5,603,141 08/508,590 02/18/97
5,603,143 08/282,625 02/18/97
5,603,144 08/413,950 02/18/97
5,603,146 08/576,290 02/18/97
5,603,149 08/339,767 02/18/97
5,603,150 08/378,664 02/18/97
5,603,151 08/494,281 02/18/97
5,603,152 08/358,495 02/18/97
5,603,155 08/325,603 02/18/97
5,603,161 08/479,184 02/18/97
5,603,163 08/517,923 02/18/97
5,603,164 08/376,804 02/18/97
5,603,176 08/395,226 02/18/97
5,603,178 08/365,027 02/18/97
5,603,182 08/406,494 02/18/97
5,603,184 08/503,103 02/18/97
5,603,188 08/095,371 02/18/97
5,603,189 08/595,389 02/18/97
5,603,190 08/378,581 02/18/97
5,603,191 08/503,495 02/18/97
5,603,201 08/192,180 02/18/97
5,603,202 08/402,013 02/18/97
5,603,210 08/185,874 02/18/97
5,603,220 08/526,442 02/18/97
5,603,238 08/509,833 02/18/97
5,603,239 08/523,343 02/18/97
5,603,243 08/481,490 02/18/97
5,603,250 08/361,826 02/18/97
5,603,256 08/423,311 02/18/97
5,603,271 08/419,242 02/18/97
5,603,272 08/487,099 02/18/97
5,603,277 08/540,500 02/18/97
5,603,278 08/591,184 02/18/97
5,603,279 08/422,893 02/18/97
5,603,289 08/493,696 02/18/97
5,603,291 08/557,467 02/18/97
5,603,293 08/568,291 02/18/97
5,603,295 08/387,872 02/18/97
5,603,296 08/586,799 02/18/97
5,603,311 08/516,313 02/18/97
5,603,317 08/621,525 02/18/97
5,603,321 08/511,992 02/18/97
5,603,326 08/525,774 02/18/97
5,603,336 08/526,824 02/18/97
5,603,343 08/383,060 02/18/97
5,603,353 08/560,103 02/18/97
5,603,362 08/618,254 02/18/97
5,603,364 08/499,783 02/18/97
5,603,382 08/472,419 02/18/97
5,603,392 08/277,156 02/18/97
5,603,397 08/432,602 02/18/97
5,603,398 08/383,951 02/18/97
5,603,402 08/534,475 02/18/97
5,603,404 08/535,971 02/18/97
5,603,405 08/565,813 02/18/97
5,603,420 08/384,139 02/18/97
5,603,422 08/140,133 02/18/97
5,603,426 08/328,457 02/18/97
5,603,427 08/342,916 02/18/97
5,603,438 08/647,693 02/18/97
5,603,440 08/307,074 02/18/97
5,603,441 08/328,156 02/18/97
5,603,446 08/679,904 02/18/97
5,603,451 08/414,286 02/18/97
5,603,452 08/521,919 02/18/97
5,603,459 08/290,547 02/18/97
5,603,474 08/441,753 02/18/97
5,603,475 08/176,711 02/18/97
5,603,478 08/515,046 02/18/97
5,603,479 08/506,854 02/18/97
5,603,482 08/350,502 02/18/97
5,603,489 08/541,436 02/18/97
5,603,491 08/491,473 02/18/97
5,603,495 08/553,865 02/18/97
5,603,496 08/391,454 02/18/97
5,603,499 08/507,704 02/18/97
5,603,501 08/550,295 02/18/97
5,603,503 08/195,620 02/18/97
5,603,506 08/631,182 02/18/97
5,603,519 08/402,841 02/18/97
5,603,520 08/371,701 02/18/97
5,603,527 08/441,265 02/18/97
5,603,528 08/554,970 02/18/97
5,603,537 08/426,844 02/18/97
5,603,540 08/572,043 02/18/97
5,603,542 08/507,612 02/18/97
5,603,543 08/586,325 02/18/97
5,603,553 08/244,696 02/18/97
5,603,555 08/539,822 02/18/97
5,603,565 08/510,152 02/18/97
5,603,566 08/561,016 02/18/97
5,603,573 08/533,285 02/18/97
5,603,582 08/412,904 02/18/97
5,603,584 08/391,561 02/18/97
5,603,586 08/521,183 02/18/97
5,603,593 08/513,533 02/18/97
5,603,597 08/647,626 02/18/97
5,603,609 08/516,294 02/18/97
5,603,615 08/371,967 02/18/97
5,603,622 08/405,867 02/18/97
5,603,628 08/509,537 02/18/97
5,603,641 08/410,123 02/18/97
5,603,646 08/617,588 02/18/97
5,603,651 08/375,111 02/18/97
5,603,653 08/474,319 02/18/97
5,603,661 08/406,490 02/18/97
5,603,662 08/494,401 02/18/97
5,603,665 08/629,987 02/18/97
5,603,668 08/420,877 02/18/97
5,603,675 08/656,686 02/18/97
5,603,677 08/412,146 02/18/97
5,603,679 08/434,546 02/18/97
5,603,682 08/383,869 02/18/97
5,603,683 08/308,360 02/18/97
5,603,685 08/434,362 02/18/97
5,603,687 08/475,364 02/18/97
5,603,692 08/634,837 02/18/97
5,603,695 08/475,641 02/18/97
5,603,699 08/597,947 02/18/97
5,603,700 08/172,754 02/18/97
5,603,709 08/584,888 02/18/97
5,603,714 08/353,886 02/18/97
5,603,715 08/308,095 02/18/97
5,603,719 08/374,380 02/18/97
5,603,724 08/387,312 02/18/97
5,603,731 08/553,011 02/18/97
5,603,740 08/411,182 02/18/97
5,603,741 08/578,372 02/18/97
5,603,744 08/211,801 02/18/97
5,603,757 08/412,081 02/18/97
5,603,783 08/263,182 02/18/97
5,603,795 08/299,559 02/18/97
5,603,808 08/576,951 02/18/97
5,603,810 08/399,920 02/18/97
5,603,833 08/372,562 02/18/97
5,603,836 08/158,277 02/18/97
5,603,844 08/468,403 02/18/97
5,603,852 08/534,310 02/18/97
5,603,856 08/334,681 02/18/97
5,603,878 08/442,972 02/18/97
5,603,883 08/465,321 02/18/97
5,603,887 08/568,431 02/18/97
5,603,893 08/512,463 02/18/97
5,603,909 08/510,807 02/18/97
5,603,919 08/369,013 02/18/97
5,603,932 08/636,722 02/18/97
5,603,949 08/465,610 02/18/97
5,603,959 08/392,628 02/18/97
5,603,961 08/128,692 02/18/97
5,603,962 08/256,370 02/18/97
5,603,967 08/374,181 02/18/97
5,603,973 08/475,485 02/18/97
5,604,003 08/491,012 02/18/97
5,604,007 08/109,413 02/18/97
5,604,013 08/258,207 02/18/97
5,604,020 08/390,533 02/18/97
5,604,024 08/337,791 02/18/97
5,604,040 08/565,902 02/18/97
5,604,042 08/574,981 02/18/97
5,604,053 08/480,252 02/18/97
5,604,065 08/528,093 02/18/97
5,604,081 08/098,101 02/18/97
5,604,083 08/568,732 02/18/97
5,604,090 08/254,312 02/18/97
5,604,096 08/302,250 02/18/97
5,604,103 08/261,581 02/18/97
5,604,110 08/488,080 02/18/97
5,604,114 08/041,887 02/18/97
5,604,119 08/376,692 02/18/97
5,604,125 08/400,451 02/18/97
5,604,132 08/376,711 02/18/97
5,604,151 08/439,034 02/18/97
5,604,184 08/419,498 02/18/97
5,604,191 08/218,903 02/18/97
5,604,192 08/360,542 02/18/97
5,604,194 08/424,313 02/18/97
5,604,197 08/583,012 02/18/97
5,604,200 08/236,176 02/18/97
5,604,206 08/328,722 02/18/97
5,604,207 08/345,072 02/18/97
5,604,210 08/456,723 02/18/97
5,604,216 08/178,553 02/18/97
5,604,218 08/413,712 02/18/97
5,604,224 08/452,941 02/18/97
5,604,226 08/356,510 02/18/97
5,604,228 08/226,770 02/18/97
5,604,230 08/432,750 02/18/97
5,604,242 08/263,641 02/18/97
5,604,245 07/858,483 02/18/97
5,604,259 08/590,723 02/18/97
5,604,263 08/420,728 02/18/97
5,604,270 08/117,471 02/18/97
5,604,271 08/576,841 02/18/97
5,604,275 08/534,753 02/18/97
5,604,280 08/417,321 02/18/97
5,604,281 08/433,202 02/18/97
5,604,297 08/431,088 02/18/97
5,604,316 08/325,613 02/18/97
5,604,317 08/411,688 02/18/97
5,604,319 08/410,349 02/18/97
5,604,321 08/507,184 02/18/97
5,604,326 08/360,449 02/18/97
5,604,327 08/597,685 02/18/97
5,604,346 08/343,471 02/18/97
5,604,348 08/432,729 02/18/97
5,604,356 08/498,234 02/18/97
5,604,390 08/498,290 02/18/97
5,604,403 08/469,384 02/18/97
5,604,408 08/418,115 02/18/97
5,604,418 08/606,297 02/18/97
5,604,420 08/405,774 02/18/97
5,604,436 08/526,558 02/18/97
5,604,438 08/406,213 02/18/97
5,604,446 08/512,915 02/18/97
5,604,463 08/413,194 02/18/97
5,604,479 08/620,301 02/18/97
5,604,481 08/400,839 02/18/97
5,604,487 08/100,657 02/18/97
5,604,489 07/958,710 02/18/97
5,604,508 08/583,618 02/18/97
5,604,510 08/370,754 02/18/97
5,604,533 08/460,285 02/18/97
5,604,548 08/644,218 02/18/97
5,604,583 08/407,581 02/18/97
5,604,588 08/505,519 02/18/97
5,604,604 08/383,950 02/18/97
5,604,621 08/411,998 02/18/97
5,604,628 08/366,218 02/18/97
5,604,631 08/339,781 02/18/97
5,604,649 08/670,039 02/18/97
5,604,651 08/521,793 02/18/97
5,604,654 08/435,210 02/18/97
5,604,663 08/364,573 02/18/97
5,604,681 08/253,545 02/18/97
5,604,688 08/376,233 02/18/97
5,604,691 08/381,167 02/18/97
5,604,727 08/409,069 02/18/97
5,604,767 08/506,207 02/18/97
5,604,771 08/317,721 02/18/97
5,604,791 08/390,278 02/18/97
5,604,792 08/478,575 02/18/97
5,604,810 08/212,981 02/18/97
5,604,814 08/425,580 02/18/97
5,604,830 08/362,624 02/18/97
5,604,840 08/038,839 02/18/97
5,604,881 08/326,656 02/18/97
5,604,908 08/466,694 02/18/97
5,604,929 08/426,315 02/18/97