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 25, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
4,850,049 07/229,448 07/25/89
4,850,068 07/067,938 07/25/89
4,850,071 07/172,238 07/25/89
4,850,080 07/027,412 07/25/89
4,850,086 07/199,813 07/25/89
4,850,088 07/219,531 07/25/89
4,850,089 06/935,094 07/25/89
4,850,090 07/192,625 07/25/89
4,850,096 07/165,778 07/25/89
4,850,097 07/062,160 07/25/89
4,850,102 07/020,325 07/25/89
4,850,111 07/102,322 07/25/89
4,850,117 07/082,271 07/25/89
4,850,122 07/202,337 07/25/89
4,850,124 07/161,047 07/25/89
4,850,133 07/291,507 07/25/89
4,850,138 07/018,921 07/25/89
4,850,143 07/176,382 07/25/89
4,850,144 07/302,370 07/25/89
4,850,147 07/142,457 07/25/89
4,850,155 07/154,703 07/25/89
4,850,177 07/292,246 07/25/89
4,850,184 07/174,285 07/25/89
4,850,195 06/913,378 07/25/89
4,850,201 07/154,283 07/25/89
4,850,202 07/123,593 07/25/89
4,850,205 07/254,090 07/25/89
4,850,211 07/043,546 07/25/89
4,850,217 07/258,652 07/25/89
4,850,220 07/116,969 07/25/89
4,850,221 07/243,567 07/25/89
4,850,222 07/139,802 07/25/89
4,850,225 07/264,368 07/25/89
4,850,232 07/181,997 07/25/89
4,850,242 07/221,204 07/25/89
4,850,243 07/145,676 07/25/89
4,850,244 06/890,494 07/25/89
4,850,254 07/240,360 07/25/89
4,850,255 07/161,150 07/25/89
4,850,258 07/292,778 07/25/89
4,850,261 07/164,582 07/25/89
4,850,268 07/069,075 07/25/89
4,850,269 07/068,018 07/25/89
4,850,271 07/102,094 07/25/89
4,850,280 07/110,737 07/25/89
4,850,285 06/571,792 07/25/89
4,850,286 07/273,951 07/25/89
4,850,306 07/214,164 07/25/89
4,850,313 07/155,823 07/25/89
4,850,315 07/199,693 07/25/89
4,850,321 07/110,602 07/25/89
4,850,325 07/296,192 07/25/89
4,850,333 07/238,341 07/25/89
4,850,338 07/043,256 07/25/89
4,850,346 06/921,139 07/25/89
4,850,357 07/143,061 07/25/89
4,850,370 07/076,228 07/25/89
4,850,372 07/089,193 07/25/89
4,850,394 06/739,211 07/25/89
4,850,395 07/131,747 07/25/89
4,850,417 07/079,695 07/25/89
4,850,418 07/155,589 07/25/89
4,850,427 07/131,671 07/25/89
4,850,428 07/245,233 07/25/89
4,850,429 07/135,199 07/25/89
4,850,430 07/011,395 07/25/89
4,850,432 07/258,929 07/25/89
4,850,436 07/006,371 07/25/89
4,850,441 07/001,322 07/25/89
4,850,446 07/237,323 07/25/89
4,850,466 07/197,070 07/25/89
4,850,475 07/169,003 07/25/89
4,850,476 07/070,064 07/25/89
4,850,477 07/179,247 07/25/89
4,850,479 07/200,955 07/25/89
4,850,489 07/287,601 07/25/89
4,850,491 07/150,414 07/25/89
4,850,498 07/242,058 07/25/89
4,850,501 07/125,026 07/25/89
4,850,512 07/050,067 07/25/89
4,850,515 07/224,731 07/25/89
4,850,518 07/182,635 07/25/89
4,850,537 06/939,060 07/25/89
4,850,549 07/188,379 07/25/89
4,850,550 07/129,281 07/25/89
4,850,558 07/124,823 07/25/89
4,850,559 07/249,968 07/25/89
4,850,560 07/279,218 07/25/89
4,850,562 07/163,642 07/25/89
4,850,563 07/058,177 07/25/89
4,850,565 07/145,699 07/25/89
4,850,566 07/278,840 07/25/89
4,850,572 07/178,809 07/25/89
4,850,578 07/232,132 07/25/89
4,850,605 07/258,808 07/25/89
4,850,616 07/158,018 07/25/89
4,850,618 07/142,062 07/25/89
4,850,627 07/146,417 07/25/89
4,850,636 07/098,593 07/25/89
4,850,640 07/220,081 07/25/89
4,850,644 07/191,798 07/25/89
4,850,645 07/241,692 07/25/89
4,850,650 07/239,908 07/25/89
4,850,654 07/296,642 07/25/89
4,850,655 07/209,903 07/25/89
4,850,657 07/060,585 07/25/89
4,850,659 07/115,034 07/25/89
4,850,662 07/155,227 07/25/89
4,850,666 07/000,865 07/25/89
4,850,674 07/205,687 07/25/89
4,850,682 06/885,243 07/25/89
4,850,694 07/152,241 07/25/89
4,850,703 07/067,401 07/25/89
4,850,707 06/872,097 07/25/89
4,850,710 07/101,242 07/25/89
4,850,727 07/085,259 07/25/89
4,850,734 07/289,156 07/25/89
4,850,737 07/191,774 07/25/89
4,850,739 07/148,714 07/25/89
4,850,760 07/266,281 07/25/89
4,850,768 07/186,710 07/25/89
4,850,772 07/182,027 07/25/89
4,850,778 07/225,041 07/25/89
4,850,781 07/224,184 07/25/89
4,850,782 07/116,813 07/25/89
4,850,783 06/802,703 07/25/89
4,850,785 07/025,515 07/25/89
4,850,787 06/935,307 07/25/89
4,850,791 07/094,994 07/25/89
4,850,801 07/135,779 07/25/89
4,850,806 07/197,937 07/25/89
4,850,815 07/182,481 07/25/89
4,850,818 07/099,884 07/25/89
4,850,821 07/166,264 07/25/89
4,850,826 07/164,545 07/25/89
4,850,829 07/229,387 07/25/89
4,850,834 07/139,801 07/25/89
4,850,839 07/217,720 07/25/89
4,850,840 07/279,569 07/25/89
4,850,846 07/216,144 07/25/89
4,850,859 07/252,841 07/25/89
4,850,868 07/072,471 07/25/89
4,850,880 07/127,180 07/25/89
4,850,887 07/216,076 07/25/89
4,850,925 07/286,459 07/25/89
4,850,947 07/183,051 07/25/89
4,850,950 07/113,482 07/25/89
4,850,951 07/214,701 07/25/89
4,850,952 07/050,768 07/25/89
4,850,955 06/936,888 07/25/89
4,850,956 07/122,367 07/25/89
4,850,957 07/143,077 07/25/89
4,850,965 06/948,194 07/25/89
4,850,973 07/109,581 07/25/89
4,850,980 07/129,005 07/25/89
4,850,993 06/944,061 07/25/89
4,851,005 07/219,667 07/25/89
4,851,008 07/151,108 07/25/89
4,851,017 07/106,042 07/25/89
4,851,020 07/274,243 07/25/89
4,851,027 07/157,712 07/25/89
4,851,048 06/910,338 07/25/89
4,851,051 07/242,112 07/25/89
4,851,057 07/095,482 07/25/89
4,851,059 07/165,282 07/25/89
4,851,061 07/154,785 07/25/89
4,851,062 07/155,241 07/25/89
4,851,069 06/622,640 07/25/89
4,851,070 07/125,457 07/25/89
4,851,082 07/158,776 07/25/89
4,851,092 07/189,805 07/25/89
4,851,098 07/179,402 07/25/89
4,851,106 07/176,345 07/25/89
4,851,108 06/804,871 07/25/89
4,851,115 07/218,727 07/25/89
4,851,119 07/084,587 07/25/89
4,851,120 06/863,626 07/25/89
4,851,123 06/933,119 07/25/89
4,851,131 07/139,995 07/25/89
4,851,136 07/146,837 07/25/89
4,851,139 07/090,195 07/25/89
4,851,142 07/191,516 07/25/89
4,851,158 07/123,233 07/25/89
4,851,169 07/294,685 07/25/89
4,851,179 07/126,415 07/25/89
4,851,181 07/123,542 07/25/89
4,851,188 07/135,956 07/25/89
4,851,195 07/086,423 07/25/89
4,851,198 07/170,665 07/25/89
4,851,205 06/921,247 07/25/89
4,851,206 07/104,568 07/25/89
4,851,216 07/212,456 07/25/89
4,851,218 06/920,321 07/25/89
4,851,220 06/935,479 07/25/89
4,851,232 07/059,306 07/25/89
4,851,238 06/942,976 07/25/89
4,851,240 07/189,967 07/25/89
4,851,242 07/014,232 07/25/89
4,851,243 07/105,679 07/25/89
4,851,251 07/234,569 07/25/89
4,851,252 07/061,654 07/25/89
4,851,258 07/233,934 07/25/89
4,851,259 07/064,840 07/25/89
4,851,260 07/219,376 07/25/89
4,851,276 07/022,727 07/25/89
4,851,280 07/176,804 07/25/89
4,851,283 07/279,881 07/25/89
4,851,292 07/008,439 07/25/89
4,851,293 07/184,794 07/25/89
4,851,300 07/192,318 07/25/89
4,851,306 07/219,740 07/25/89
4,851,315 07/170,997 07/25/89
4,851,316 07/137,640 07/25/89
4,851,319 07/185,342 07/25/89
4,851,336 07/236,857 07/25/89
4,851,343 06/702,947 07/25/89
4,851,345 06/919,149 07/25/89
4,851,346 07/135,980 07/25/89
4,851,349 06/721,579 07/25/89
4,851,354 07/129,262 07/25/89
4,851,356 07/072,802 07/25/89
4,851,357 07/025,103 07/25/89
4,851,359 06/947,266 07/25/89
4,851,377 07/182,267 07/25/89
4,851,395 07/163,238 07/25/89
4,851,400 06/835,711 07/25/89
4,851,402 07/019,935 07/25/89
4,851,404 06/691,654 07/25/89
4,851,410 07/273,178 07/25/89
4,851,414 07/229,824 07/25/89
4,851,423 06/940,125 07/25/89
4,851,429 07/173,286 07/25/89
4,851,438 06/921,286 07/25/89
4,851,441 07/153,469 07/25/89
4,851,444 07/071,914 07/25/89
4,851,447 07/143,227 07/25/89
4,851,462 07/146,468 07/25/89
4,851,476 07/077,827 07/25/89
4,851,482 07/187,192 07/25/89
4,851,495 07/016,703 07/25/89
4,851,501 07/134,335 07/25/89
4,851,516 07/123,392 07/25/89
4,851,526 07/093,425 07/25/89
4,851,531 07/074,380 07/25/89
4,851,534 07/047,100 07/25/89
4,851,537 07/038,571 07/25/89
4,851,539 06/799,702 07/25/89
4,851,540 07/127,052 07/25/89
4,851,549 07/235,276 07/25/89
4,851,554 07/103,484 07/25/89
4,851,560 07/015,699 07/25/89
4,851,569 06/741,193 07/25/89
4,851,575 07/055,080 07/25/89
4,851,576 06/454,003 07/25/89
4,851,582 07/049,755 07/25/89
4,851,583 07/140,450 07/25/89
4,851,585 07/119,879 07/25/89
4,851,593 07/107,310 07/25/89
4,851,598 07/138,359 07/25/89
4,851,600 06/770,392 07/25/89
4,851,601 07/145,009 07/25/89
4,851,610 07/182,775 07/25/89
4,851,615 06/596,186 07/25/89
4,851,639 07/251,544 07/25/89
4,851,641 07/063,253 07/25/89
4,851,648 07/261,215 07/25/89
4,851,654 07/199,762 07/25/89
4,851,655 07/133,542 07/25/89
4,851,656 07/142,725 07/25/89
4,851,662 07/238,077 07/25/89
4,851,665 07/195,406 07/25/89
4,851,682 07/168,317 07/25/89
4,851,683 07/024,095 07/25/89
4,851,684 07/028,636 07/25/89
4,851,691 06/443,080 07/25/89
4,851,694 07/149,015 07/25/89
4,851,696 07/042,227 07/25/89
4,851,700 07/194,591 07/25/89
4,851,704 07/258,866 07/25/89
4,851,706 06/799,275 07/25/89
4,851,707 07/074,382 07/25/89
4,851,708 07/173,761 07/25/89
4,851,726 07/109,294 07/25/89
4,851,728 07/231,877 07/25/89
4,851,735 07/120,945 07/25/89
4,851,742 07/301,775 07/25/89
4,851,747 07/167,972 07/25/89
4,851,758 07/163,768 07/25/89
4,851,759 07/199,063 07/25/89
4,851,763 07/170,762 07/25/89
4,851,773 06/881,095 07/25/89
4,851,776 07/133,984 07/25/89
4,851,782 07/003,585 07/25/89
4,851,795 07/164,038 07/25/89
4,851,797 07/225,847 07/25/89
4,851,799 07/066,929 07/25/89
4,851,807 07/202,259 07/25/89
4,851,817 06/838,283 07/25/89
4,851,821 06/947,913 07/25/89
4,851,825 07/077,791 07/25/89
4,851,827 07/199,086 07/25/89
4,851,828 07/135,765 07/25/89
4,851,831 06/615,151 07/25/89
4,851,832 07/104,145 07/25/89
4,851,837 06/865,725 07/25/89
4,851,842 07/214,454 07/25/89
4,851,848 07/151,042 07/25/89
4,851,854 07/060,277 07/25/89
4,851,855 07/015,009 07/25/89
4,851,859 07/191,055 07/25/89
4,851,863 07/225,666 07/25/89
4,851,866 07/214,312 07/25/89
4,851,874 07/167,116 07/25/89
4,851,876 07/161,942 07/25/89
4,851,879 07/257,146 07/25/89
4,851,901 07/090,521 07/25/89
4,851,903 07/105,734 07/25/89
4,851,909 07/245,916 07/25/89
4,851,914 07/082,018 07/25/89
4,851,918 07/144,546 07/25/89
4,851,919 07/151,183 07/25/89
4,851,920 07/232,602 07/25/89
4,851,926 07/174,960 07/25/89
4,851,931 07/314,269 07/25/89
4,851,933 07/097,220 07/25/89
4,851,935 07/050,308 07/25/89
4,851,939 07/048,587 07/25/89
4,851,942 07/095,751 07/25/89
4,851,950 07/200,690 07/25/89
4,851,958 07/194,518 07/25/89
4,851,960 07/131,585 07/25/89
4,851,966 06/929,113 07/25/89
4,851,967 07/174,724 07/25/89
4,851,980 07/213,187 07/25/89
4,851,983 07/149,136 07/25/89
4,851,989 06/897,403 07/25/89
4,851,996 07/122,872 07/25/89
4,852,011 07/059,155 07/25/89
4,852,012 07/105,788 07/25/89
4,852,016 07/067,327 07/25/89
4,852,019 06/825,081 07/25/89
4,852,020 07/018,280 07/25/89
4,852,028 07/029,918 07/25/89
4,852,031 07/073,097 07/25/89
4,852,033 07/067,794 07/25/89
4,852,040 07/168,882 07/25/89
4,852,041 06/899,302 07/25/89
4,852,046 07/196,761 07/25/89
4,852,049 06/891,574 07/25/89
4,852,051 07/237,658 07/25/89
4,852,053 07/149,967 07/25/89
4,852,061 07/313,300 07/25/89
4,852,068 07/191,282 07/25/89
4,852,070 07/057,509 07/25/89
4,852,077 07/152,778 07/25/89
4,852,082 07/281,873 07/25/89
4,852,086 06/926,022 07/25/89
4,852,092 07/086,638 07/25/89
4,852,094 07/119,363 07/25/89
4,852,104 07/071,801 07/25/89
4,852,110 07/225,454 07/25/89
4,852,112 07/175,278 07/25/89
4,852,124 07/201,517 07/25/89
4,852,143 07/114,446 07/25/89
4,852,165 07/062,241 07/25/89
4,852,167 07/143,805 07/25/89
4,852,171 06/670,521 07/25/89
4,852,173 07/114,892 07/25/89
4,852,175 07/151,850 07/25/89
4,852,178 07/103,786 07/25/89
4,852,179 07/104,698 07/25/89
PATENTS WHICH EXPIRED ON July 20, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,228,148 07/869,737 07/20/93
5,228,149 07/930,988 07/20/93
5,228,150 07/806,475 07/20/93
5,228,151 07/769,635 07/20/93
5,228,153 07/773,355 07/20/93
5,228,154 07/855,820 07/20/93
5,228,160 07/864,041 07/20/93
5,228,166 07/906,570 07/20/93
5,228,173 07/943,825 07/20/93
5,228,181 07/954,893 07/20/93
5,228,182 07/816,484 07/20/93
5,228,183 07/686,160 07/20/93
5,228,186 07/921,636 07/20/93
5,228,188 07/920,113 07/20/93
5,228,195 07/887,117 07/20/93
5,228,201 07/846,678 07/20/93
5,228,206 07/820,985 07/20/93
5,228,217 07/692,285 07/20/93
5,228,218 07/804,055 07/20/93
5,228,219 07/891,208 07/20/93
5,228,220 07/811,924 07/20/93
5,228,222 07/931,045 07/20/93
5,228,227 07/693,927 07/20/93
5,228,231 07/912,253 07/20/93
5,228,233 07/887,138 07/20/93
5,228,235 07/672,850 07/20/93
5,228,239 07/917,637 07/20/93
5,228,249 07/685,475 07/20/93
5,228,261 07/775,770 07/20/93
5,228,263 07/745,868 07/20/93
5,228,271 07/889,795 07/20/93
5,228,272 08/006,940 07/20/93
5,228,276 07/739,289 07/20/93
5,228,277 07/824,669 07/20/93
5,228,280 07/811,073 07/20/93
5,228,288 07/870,475 07/20/93
5,228,289 07/811,875 07/20/93
5,228,290 07/578,569 07/20/93
5,228,291 07/778,703 07/20/93
5,228,292 07/956,260 07/20/93
5,228,293 07/908,477 07/20/93
5,228,303 07/811,928 07/20/93
5,228,305 07/726,851 07/20/93
5,228,308 07/612,290 07/20/93
5,228,310 07/939,097 07/20/93
5,228,315 07/811,033 07/20/93
5,228,316 07/896,141 07/20/93
5,228,317 07/991,916 07/20/93
5,228,319 07/765,355 07/20/93
5,228,320 07/977,870 07/20/93
5,228,324 07/773,767 07/20/93
5,228,333 07/820,645 07/20/93
5,228,342 07/736,360 07/20/93
5,228,359 07/884,814 07/20/93
5,228,360 07/736,179 07/20/93
5,228,362 07/904,622 07/20/93
5,228,366 07/798,147 07/20/93
5,228,376 07/928,366 07/20/93
5,228,385 07/845,273 07/20/93
5,228,388 07/855,241 07/20/93
5,228,389 07/688,604 07/20/93
5,228,396 07/871,065 07/20/93
5,228,397 07/762,444 07/20/93
5,228,408 07/817,300 07/20/93
5,228,413 07/858,386 07/20/93
5,228,414 07/943,443 07/20/93
5,228,415 07/716,943 07/20/93
5,228,417 07/875,263 07/20/93
5,228,418 07/868,613 07/20/93
5,228,422 07/718,386 07/20/93
5,228,424 07/860,182 07/20/93
5,228,425 07/637,607 07/20/93
5,228,447 07/646,838 07/20/93
5,228,448 07/753,939 07/20/93
5,228,449 07/644,227 07/20/93
5,228,450 07/695,600 07/20/93
5,228,454 07/738,972 07/20/93
5,228,456 07/762,380 07/20/93
5,228,458 07/691,641 07/20/93
5,228,467 07/763,577 07/20/93
5,228,470 07/823,875 07/20/93
5,228,475 07/908,000 07/20/93
5,228,481 07/778,859 07/20/93
5,228,488 07/867,472 07/20/93
5,228,500 07/672,016 07/20/93
5,228,502 07/754,855 07/20/93
5,228,510 07/885,790 07/20/93
5,228,515 07/922,747 07/20/93
5,228,520 07/809,402 07/20/93
5,228,525 07/485,465 07/20/93
5,228,527 07/800,614 07/20/93
5,228,531 07/715,533 07/20/93
5,228,534 07/886,422 07/20/93
5,228,539 07/877,795 07/20/93
5,228,542 07/890,633 07/20/93
5,228,550 07/874,061 07/20/93
5,228,551 07/924,526 07/20/93
5,228,553 07/840,446 07/20/93
5,228,554 07/763,358 07/20/93
5,228,556 07/944,697 07/20/93
5,228,558 07/811,948 07/20/93
5,228,574 07/783,018 07/20/93
5,228,577 07/852,767 07/20/93
5,228,585 07/989,973 07/20/93
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5,228,633 07/830,087 07/20/93
5,228,634 07/863,067 07/20/93
5,228,638 07/831,854 07/20/93
5,228,647 07/760,834 07/20/93
5,228,649 07/734,256 07/20/93
5,228,658 07/844,795 07/20/93
5,228,662 07/825,508 07/20/93
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5,228,700 07/844,950 07/20/93
5,228,703 07/836,688 07/20/93
5,228,707 07/746,949 07/20/93
5,228,708 07/764,354 07/20/93
5,228,710 07/751,764 07/20/93
5,228,730 07/939,729 07/20/93
5,228,734 07/914,729 07/20/93
5,228,736 07/794,456 07/20/93
5,228,737 07/904,502 07/20/93
5,228,741 07/763,421 07/20/93
5,228,743 07/772,414 07/20/93
5,228,745 07/913,725 07/20/93
5,228,746 07/669,921 07/20/93
5,228,748 07/760,934 07/20/93
5,228,751 07/771,771 07/20/93
5,228,752 07/802,334 07/20/93
5,228,753 07/713,041 07/20/93
5,228,769 07/881,820 07/20/93
5,228,773 07/775,576 07/20/93
5,228,777 07/788,354 07/20/93
5,228,780 07/969,057 07/20/93
5,228,791 07/755,563 07/20/93
5,228,793 07/916,506 07/20/93
5,228,798 07/906,856 07/20/93
5,228,804 07/904,387 07/20/93
5,228,816 07/914,511 07/20/93
5,228,818 07/712,554 07/20/93
5,228,824 07/767,999 07/20/93
5,228,825 07/786,693 07/20/93
5,228,826 07/753,574 07/20/93
5,228,830 07/627,341 07/20/93
5,228,831 07/836,299 07/20/93
5,228,833 07/902,738 07/20/93
5,228,839 07/705,348 07/20/93
5,228,846 07/994,437 07/20/93
5,228,852 07/861,088 07/20/93
5,228,854 07/915,616 07/20/93
5,228,862 07/937,021 07/20/93
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5,228,876 07/712,063 07/20/93
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5,228,884 07/528,582 07/20/93
5,228,885 07/764,153 07/20/93
5,228,887 07/613,487 07/20/93
5,228,897 07/871,525 07/20/93
5,228,901 07/660,778 07/20/93
5,228,902 07/941,203 07/20/93
5,228,912 07/888,709 07/20/93
5,228,927 07/677,036 07/20/93
5,228,929 07/697,019 07/20/93
5,228,940 07/865,648 07/20/93
5,228,946 07/808,700 07/20/93
5,228,950 07/622,694 07/20/93
5,228,956 07/955,415 07/20/93
5,228,957 08/002,505 07/20/93
5,228,962 07/649,776 07/20/93
5,228,963 07/724,007 07/20/93
5,228,985 07/714,926 07/20/93
5,228,988 07/779,186 07/20/93
5,228,990 07/863,688 07/20/93
5,228,998 07/889,059 07/20/93
5,229,001 07/689,454 07/20/93
5,229,013 07/828,421 07/20/93
5,229,019 07/928,532 07/20/93
5,229,020 07/926,129 07/20/93
5,229,025 07/734,481 07/20/93
5,229,027 07/956,683 07/20/93
5,229,037 07/604,899 07/20/93
5,229,039 07/869,096 07/20/93
5,229,041 07/822,897 07/20/93
5,229,045 07/761,508 07/20/93
5,229,052 07/698,950 07/20/93
5,229,061 07/807,220 07/20/93
5,229,064 07/730,857 07/20/93
5,229,071 07/766,659 07/20/93
5,229,077 07/745,689 07/20/93
5,229,081 07/670,368 07/20/93
5,229,086 07/673,124 07/20/93
5,229,088 07/846,141 07/20/93
5,229,092 07/668,302 07/20/93
5,229,101 07/638,960 07/20/93
5,229,105 07/864,144 07/20/93
5,229,106 07/925,945 07/20/93
5,229,107 07/925,946 07/20/93
5,229,121 07/699,663 07/20/93
5,229,122 07/803,911 07/20/93
5,229,123 07/947,194 07/20/93
5,229,125 07/789,267 07/20/93
5,229,134 07/622,895 07/20/93
5,229,139 07/809,659 07/20/93
5,229,141 07/632,014 07/20/93
5,229,149 07/724,740 07/20/93
5,229,150 07/882,155 07/20/93
5,229,151 07/864,670 07/20/93
5,229,155 07/755,252 07/20/93
5,229,160 07/672,826 07/20/93
5,229,162 07/789,894 07/20/93
5,229,171 07/813,121 07/20/93
5,229,175 07/801,138 07/20/93
5,229,193 07/608,836 07/20/93
5,229,202 07/702,399 07/20/93
5,229,209 07/672,932 07/20/93
5,229,212 07/851,663 07/20/93
5,229,214 07/556,598 07/20/93
5,229,217 07/674,350 07/20/93
5,229,219 07/536,661 07/20/93
5,229,221 07/870,605 07/20/93
5,229,224 07/559,092 07/20/93
5,229,229 07/689,340 07/20/93
5,229,233 07/403,238 07/20/93
5,229,234 07/825,889 07/20/93
5,229,243 07/833,502 07/20/93
5,229,244 07/906,078 07/20/93
5,229,247 07/798,899 07/20/93
5,229,260 07/848,299 07/20/93
5,229,266 07/740,286 07/20/93
5,229,268 07/125,035 07/20/93
5,229,275 07/514,775 07/20/93
5,229,281 07/774,464 07/20/93
5,229,289 07/807,817 07/20/93
5,229,290 07/869,832 07/20/93
5,229,292 06/891,305 07/20/93
5,229,294 07/694,891 07/20/93
5,229,314 07/925,153 07/20/93
5,229,321 07/895,690 07/20/93
5,229,328 07/908,429 07/20/93
5,229,335 07/786,452 07/20/93
5,229,348 07/954,696 07/20/93
5,229,353 07/713,846 07/20/93
5,229,356 07/749,023 07/20/93
5,229,357 07/612,457 07/20/93
5,229,359 07/695,294 07/20/93
5,229,360 07/831,006 07/20/93
5,229,362 07/732,347 07/20/93
5,229,370 07/920,010 07/20/93
5,229,377 07/692,094 07/20/93
5,229,383 07/748,221 07/20/93
5,229,384 07/845,518 07/20/93
5,229,395 07/754,283 07/20/93
5,229,404 07/804,903 07/20/93
5,229,414 07/697,484 07/20/93
5,229,424 07/835,683 07/20/93
5,229,428 07/655,487 07/20/93
5,229,435 07/502,772 07/20/93
5,229,437 07/815,491 07/20/93
5,229,446 07/990,933 07/20/93
5,229,447 07/819,392 07/20/93
5,229,449 07/910,231 07/20/93
5,229,463 07/792,784 07/20/93
5,229,476 07/749,132 07/20/93
5,229,479 07/699,694 07/20/93
5,229,484 07/822,261 07/20/93
5,229,489 07/684,391 07/20/93
5,229,491 07/676,677 07/20/93
5,229,502 07/483,144 07/20/93
5,229,503 07/758,249 07/20/93
5,229,504 07/754,988 07/20/93
5,229,507 07/614,815 07/20/93
5,229,514 07/881,571 07/20/93
5,229,519 07/846,898 07/20/93
5,229,535 07/842,048 07/20/93
5,229,537 07/806,159 07/20/93
5,229,540 07/888,995 07/20/93
5,229,543 07/783,853 07/20/93
5,229,547 07/751,971 07/20/93
5,229,549 07/753,928 07/20/93
5,229,561 07/838,335 07/20/93
5,229,566 07/619,520 07/20/93
5,229,568 07/797,052 07/20/93
5,229,572 07/864,351 07/20/93
5,229,573 07/827,382 07/20/93
5,229,574 07/775,495 07/20/93
5,229,577 07/564,327 07/20/93
5,229,579 07/488,671 07/20/93
5,229,580 07/895,943 07/20/93
5,229,581 07/535,404 07/20/93
5,229,589 07/795,849 07/20/93
5,229,602 07/778,869 07/20/93
5,229,610 07/833,434 07/20/93
5,229,611 07/823,600 07/20/93
5,229,619 07/814,978 07/20/93
5,229,621 07/888,422 07/20/93
5,229,624 07/591,051 07/20/93
5,229,626 07/858,526 07/20/93
5,229,655 07/816,395 07/20/93
5,229,656 07/900,734 07/20/93
5,229,658 07/846,779 07/20/93
5,229,671 07/834,278 07/20/93
5,229,683 07/726,976 07/20/93
5,229,685 07/724,216 07/20/93
5,229,700 07/873,328 07/20/93
5,229,704 07/310,727 07/20/93
5,229,714 07/849,252 07/20/93
5,229,716 07/776,400 07/20/93
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5,229,737 07/857,573 07/20/93
5,229,742 07/716,078 07/20/93
5,229,743 07/797,683 07/20/93
5,229,748 07/777,642 07/20/93
5,229,749 07/666,383 07/20/93
5,229,752 07/762,968 07/20/93
5,229,753 07/712,945 07/20/93
5,229,766 07/734,261 07/20/93
5,229,789 07/625,043 07/20/93
5,229,794 07/770,353 07/20/93
5,229,801 07/822,819 07/20/93
5,229,804 07/853,233 07/20/93
5,229,808 07/823,940 07/20/93
5,229,817 07/858,469 07/20/93
5,229,834 07/761,861 07/20/93
5,229,837 07/720,477 07/20/93
5,229,840 07/783,069 07/20/93
5,229,844 07/808,917 07/20/93
5,229,858 07/638,983 07/20/93
5,229,874 07/773,207 07/20/93
5,229,877 07/782,967 07/20/93
5,229,884 07/877,411 07/20/93
5,229,898 07/717,342 07/20/93
5,229,899 07/884,262 07/20/93
5,229,919 07/932,778 07/20/93
5,229,920 07/858,696 07/20/93
5,229,921 07/858,695 07/20/93
5,229,925 07/733,122 07/20/93
5,229,946 07/746,543 07/20/93
5,229,958 07/751,786 07/20/93
5,229,959 07/649,787 07/20/93
5,229,960 07/800,521 07/20/93
5,229,961 07/615,832 07/20/93
5,229,967 07/577,375 07/20/93
5,229,978 07/780,079 07/20/93
5,229,981 07/872,682 07/20/93
5,229,984 07/797,879 07/20/93
5,229,993 07/660,664 07/20/93
5,230,001 07/666,538 07/20/93
5,230,005 07/788,015 07/20/93
5,230,006 07/716,473 07/20/93
5,230,008 07/644,186 07/20/93
5,230,015 07/688,158 07/20/93
5,230,022 07/717,092 07/20/93
5,230,025 07/575,796 07/20/93
5,230,028 07/801,940 07/20/93
5,230,031 07/887,986 07/20/93
5,230,032 07/689,064 07/20/93
5,230,034 07/763,410 07/20/93
5,230,037 07/716,022 07/20/93
5,230,042 07/609,025 07/20/93
5,230,043 07/560,832 07/20/93
5,230,047 07/510,209 07/20/93
5,230,049 07/277,367 07/20/93
5,230,051 07/577,410 07/20/93
5,230,052 07/590,749 07/20/93
5,230,061 07/815,968 07/20/93
5,230,066 07/860,108 07/20/93
5,230,070 07/984,001 07/20/93
5,230,086 07/470,611 07/20/93
5,230,089 07/829,195 07/20/93
5,230,096 07/668,071 07/20/93
5,230,097 07/491,161 07/20/93
5,230,099 07/645,376 07/20/93
PATENTS WHICH EXPIRED ON July 22, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,649,327 08/569,057 07/22/97
5,649,328 08/420,123 07/22/97
5,649,330 08/432,418 07/22/97
5,649,334 08/612,237 07/22/97
5,649,337 08/565,811 07/22/97
5,649,339 08/688,693 07/22/97
5,649,342 08/679,610 07/22/97
5,649,347 08/578,196 07/22/97
5,649,349 08/435,331 07/22/97
5,649,365 08/590,427 07/22/97
5,649,372 08/616,004 07/22/97
5,649,373 08/472,271 07/22/97
5,649,374 08/644,906 07/22/97
5,649,375 08/621,707 07/22/97
5,649,376 08/673,565 07/22/97
5,649,378 08/398,239 07/22/97
5,649,379 08/501,170 07/22/97
5,649,380 08/495,718 07/22/97
5,649,386 08/533,247 07/22/97
5,649,390 08/619,441 07/22/97
5,649,392 08/393,164 07/22/97
5,649,403 08/368,478 07/22/97
5,649,413 08/557,502 07/22/97
5,649,414 08/667,793 07/22/97
5,649,424 08/646,370 07/22/97
5,649,428 08/555,554 07/22/97
5,649,429 08/677,044 07/22/97
5,649,430 08/673,414 07/22/97
5,649,440 08/560,107 07/22/97
5,649,453 08/575,550 07/22/97
5,649,455 08/412,117 07/22/97
5,649,469 08/057,988 07/22/97
5,649,488 08/446,121 07/22/97
5,649,509 08/667,510 07/22/97
5,649,510 08/606,161 07/22/97
5,649,516 08/545,281 07/22/97
5,649,522 08/517,058 07/22/97
5,649,527 08/465,542 07/22/97
5,649,532 08/331,611 07/22/97
5,649,549 08/659,287 07/22/97
5,649,557 08/643,447 07/22/97
5,649,560 08/555,126 07/22/97
5,649,571 08/495,687 07/22/97
5,649,577 08/454,437 07/22/97
5,649,581 08/584,182 07/22/97
5,649,588 08/510,854 07/22/97
5,649,592 08/548,740 07/22/97
5,649,594 08/570,291 07/22/97
5,649,605 08/320,314 07/22/97
5,649,607 08/653,423 07/22/97
5,649,609 08/642,603 07/22/97
5,649,616 08/630,476 07/22/97
5,649,629 08/456,111 07/22/97
5,649,630 08/396,923 07/22/97
5,649,631 08/421,545 07/22/97
5,649,633 08/260,179 07/22/97
5,649,634 08/556,575 07/22/97
5,649,643 08/276,314 07/22/97
5,649,646 08/458,802 07/22/97
5,649,654 08/549,939 07/22/97
5,649,655 08/468,429 07/22/97
5,649,656 08/443,594 07/22/97
5,649,658 08/398,645 07/22/97
5,649,666 08/638,131 07/22/97
5,649,668 08/162,439 07/22/97
5,649,670 08/382,026 07/22/97
5,649,671 08/488,947 07/22/97
5,649,672 08/591,211 07/22/97
5,649,675 08/505,684 07/22/97
5,649,699 08/515,368 07/22/97
5,649,700 08/629,530 07/22/97
5,649,701 08/619,757 07/22/97
5,649,703 08/558,732 07/22/97
5,649,704 08/670,088 07/22/97
5,649,705 08/753,396 07/22/97
5,649,708 08/529,754 07/22/97
5,649,711 08/624,640 07/22/97
5,649,716 08/576,993 07/22/97
5,649,717 08/298,347 07/22/97
5,649,718 08/695,205 07/22/97
5,649,722 08/380,822 07/22/97
5,649,727 08/643,490 07/22/97
5,649,728 08/691,555 07/22/97
5,649,730 08/375,976 07/22/97
5,649,737 08/552,731 07/22/97
5,649,740 08/562,915 07/22/97
5,649,744 08/631,981 07/22/97
5,649,747 08/548,830 07/22/97
5,649,748 08/483,418 07/22/97
5,649,749 08/473,469 07/22/97
5,649,752 08/519,431 07/22/97
5,649,757 08/334,527 07/22/97
5,649,759 08/398,939 07/22/97
5,649,762 08/629,131 07/22/97
5,649,763 08/574,904 07/22/97
5,649,766 08/348,970 07/22/97
5,649,778 08/654,141 07/22/97
5,649,784 08/491,268 07/22/97
5,649,789 08/513,889 07/22/97
5,649,791 08/243,271 07/22/97
5,649,802 08/674,333 07/22/97
5,649,803 08/509,774 07/22/97
5,649,822 08/129,156 07/22/97
5,649,840 08/674,264 07/22/97
5,649,844 08/589,486 07/22/97
5,649,848 08/604,826 07/22/97
5,649,853 08/681,499 07/22/97
5,649,857 08/524,688 07/22/97
5,649,873 08/645,805 07/22/97
5,649,878 08/580,154 07/22/97
5,649,882 08/544,818 07/22/97
5,649,883 08/595,298 07/22/97
5,649,884 08/549,966 07/22/97
5,649,885 08/543,380 07/22/97
5,649,886 08/628,561 07/22/97
5,649,895 08/601,484 07/22/97
5,649,896 08/527,926 07/22/97
5,649,901 08/631,149 07/22/97
5,649,902 08/401,103 07/22/97
5,649,908 08/667,045 07/22/97
5,649,926 08/467,613 07/22/97
5,649,932 08/558,541 07/22/97
5,649,935 08/377,856 07/22/97
5,649,944 08/329,709 07/22/97
5,649,951 08/470,682 07/22/97
5,649,957 08/493,730 07/22/97
5,649,964 08/502,816 07/22/97
5,649,995 08/401,367 07/22/97
5,650,001 08/588,361 07/22/97
5,650,003 08/573,660 07/22/97
5,650,004 08/492,897 07/22/97
5,650,008 08/564,680 07/22/97
5,650,021 08/532,539 07/22/97
5,650,034 08/343,315 07/22/97
5,650,050 08/374,729 07/22/97
5,650,058 08/162,156 07/22/97
5,650,063 08/367,499 07/22/97
5,650,066 08/602,719 07/22/97
5,650,068 08/632,974 07/22/97
5,650,072 08/635,118 07/22/97
5,650,077 08/325,248 07/22/97
5,650,081 08/269,164 07/22/97
5,650,101 08/280,591 07/22/97
5,650,103 08/469,686 07/22/97
5,650,104 08/483,041 07/22/97
5,650,117 08/534,988 07/22/97
5,650,122 08/470,637 07/22/97
5,650,134 08/501,328 07/22/97
5,650,138 08/404,374 07/22/97
5,650,141 08/526,269 07/22/97
5,650,142 08/534,819 07/22/97
5,650,149 08/495,629 07/22/97
5,650,154 08/314,172 07/22/97
5,650,160 08/356,230 07/22/97
5,650,167 08/559,548 07/22/97
5,650,172 08/479,143 07/22/97
5,650,174 08/400,774 07/22/97
5,650,184 08/391,937 07/22/97
5,650,186 08/615,752 07/22/97
5,650,189 08/516,624 07/22/97
5,650,201 08/515,114 07/22/97
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