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 1, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Application Issue
Number Number Date
4,727,615 06/873,956 03/01/88
4,727,616 06/907,317 03/01/88
4,727,626 06/809,610 03/01/88
4,727,631 07/032,233 03/01/88
4,727,635 07/042,410 03/01/88
4,727,641 06/871,917 03/01/88
4,727,649 06/905,231 03/01/88
4,727,665 06/899,019 03/01/88
4,727,678 06/943,497 03/01/88
4,727,680 06/862,112 03/01/88
4,727,684 07/000,877 03/01/88
4,727,689 06/901,326 03/01/88
4,727,691 06/852,976 03/01/88
4,727,723 07/065,743 03/01/88
4,727,726 07/008,329 03/01/88
4,727,728 06/493,898 03/01/88
4,727,729 06/455,897 03/01/88
4,727,734 06/780,081 03/01/88
4,727,740 06/858,576 03/01/88
4,727,747 07/003,794 03/01/88
4,727,748 06/812,911 03/01/88
4,727,758 06/901,219 03/01/88
4,727,780 06/900,176 03/01/88
4,727,784 06/865,103 03/01/88
4,727,789 06/877,962 03/01/88
4,727,792 06/849,111 03/01/88
4,727,793 06/473,162 03/01/88
4,727,795 06/666,225 03/01/88
4,727,798 06/933,895 03/01/88
4,727,799 06/880,749 03/01/88
4,727,800 06/846,010 03/01/88
4,727,803 06/893,702 03/01/88
4,727,806 07/014,109 03/01/88
4,727,822 06/902,490 03/01/88
4,727,836 06/940,188 03/01/88
4,727,840 07/034,974 03/01/88
4,727,848 07/081,523 03/01/88
4,727,849 07/041,422 03/01/88
4,727,850 06/783,475 03/01/88
4,727,852 06/762,493 03/01/88
4,727,857 06/724,901 03/01/88
4,727,864 06/803,546 03/01/88
4,727,869 07/069,182 03/01/88
4,727,878 06/780,565 03/01/88
4,727,879 06/915,675 03/01/88
4,727,880 06/892,691 03/01/88
4,727,881 06/865,520 03/01/88
4,727,882 06/853,310 03/01/88
4,727,884 07/060,666 03/01/88
4,727,885 06/946,471 03/01/88
4,727,889 06/944,076 03/01/88
4,727,893 06/917,073 03/01/88
4,727,896 06/780,080 03/01/88
4,727,900 06/940,747 03/01/88
4,727,903 07/067,718 03/01/88
4,727,905 07/003,416 03/01/88
4,727,911 07/077,954 03/01/88
4,727,914 06/906,707 03/01/88
4,727,923 06/798,119 03/01/88
4,727,934 06/916,144 03/01/88
4,727,939 07/012,962 03/01/88
4,727,955 06/941,220 03/01/88
4,727,956 06/895,540 03/01/88
4,727,962 06/913,835 03/01/88
4,727,966 06/738,571 03/01/88
4,727,969 06/770,583 03/01/88
4,727,973 06/826,134 03/01/88
4,727,994 07/068,104 03/01/88
4,728,023 07/018,055 03/01/88
4,728,027 06/875,549 03/01/88
4,728,031 06/206,717 03/01/88
4,728,032 06/912,591 03/01/88
4,728,033 06/826,864 03/01/88
4,728,034 06/826,865 03/01/88
4,728,044 06/924,457 03/01/88
4,728,049 06/847,433 03/01/88
4,728,051 06/923,312 03/01/88
4,728,066 06/947,048 03/01/88
4,728,070 07/008,284 03/01/88
4,728,074 06/925,251 03/01/88
4,728,077 06/842,221 03/01/88
4,728,079 06/779,419 03/01/88
4,728,081 06/812,654 03/01/88
4,728,104 06/938,485 03/01/88
4,728,105 06/922,964 03/01/88
4,728,107 06/869,000 03/01/88
4,728,117 06/927,335 03/01/88
4,728,119 06/922,475 03/01/88
4,728,138 07/033,158 03/01/88
4,728,147 06/890,926 03/01/88
4,728,155 06/847,223 03/01/88
4,728,159 06/754,372 03/01/88
4,728,160 06/922,095 03/01/88
4,728,162 07/017,141 03/01/88
4,728,169 06/602,242 03/01/88
4,728,177 06/772,456 03/01/88
4,728,180 06/891,149 03/01/88
4,728,194 06/919,765 03/01/88
4,728,196 06/578,499 03/01/88
4,728,198 06/900,392 03/01/88
4,728,199 06/815,058 03/01/88
4,728,203 07/080,202 03/01/88
4,728,208 06/812,299 03/01/88
4,728,217 06/832,940 03/01/88
4,728,222 06/748,999 03/01/88
4,728,228 06/780,289 03/01/88
4,728,232 06/941,058 03/01/88
4,728,240 06/840,386 03/01/88
4,728,245 06/868,971 03/01/88
4,728,246 06/863,963 03/01/88
4,728,260 07/040,967 03/01/88
4,728,261 06/914,163 03/01/88
4,728,277 06/947,778 03/01/88
4,728,283 06/918,525 03/01/88
4,728,285 06/814,106 03/01/88
4,728,287 06/944,971 03/01/88
4,728,288 06/944,972 03/01/88
4,728,299 06/942,928 03/01/88
4,728,303 06/416,523 03/01/88
4,728,307 06/901,632 03/01/88
4,728,325 06/849,074 03/01/88
4,728,331 06/770,685 03/01/88
4,728,336 06/933,176 03/01/88
4,728,342 07/006,786 03/01/88
4,728,345 06/566,132 03/01/88
4,728,346 06/897,162 03/01/88
4,728,350 07/030,777 03/01/88
4,728,352 06/914,414 03/01/88
4,728,354 07/017,008 03/01/88
4,728,367 06/914,553 03/01/88
4,728,368 06/856,166 03/01/88
4,728,377 06/827,656 03/01/88
4,728,388 06/759,758 03/01/88
4,728,390 06/832,719 03/01/88
4,728,399 06/830,109 03/01/88
4,728,401 07/040,432 03/01/88
4,728,407 06/913,403 03/01/88
4,728,410 06/943,508 03/01/88
4,728,414 06/933,126 03/01/88
4,728,421 06/862,973 03/01/88
4,728,427 07/034,329 03/01/88
4,728,428 06/938,397 03/01/88
4,728,429 06/749,503 03/01/88
4,728,433 06/576,230 03/01/88
4,728,443 06/725,376 03/01/88
4,728,446 06/886,455 03/01/88
4,728,448 07/054,983 03/01/88
4,728,458 06/827,449 03/01/88
4,728,459 06/664,198 03/01/88
4,728,467 07/017,556 03/01/88
4,728,473 06/583,659 03/01/88
4,728,477 06/885,688 03/01/88
4,728,478 06/912,726 03/01/88
4,728,491 06/761,561 03/01/88
4,728,493 07/037,906 03/01/88
4,728,497 06/216,392 03/01/88
4,728,510 06/832,745 03/01/88
4,728,518 06/877,233 03/01/88
4,728,522 06/756,356 03/01/88
4,728,526 06/943,681 03/01/88
4,728,533 06/430,291 03/01/88
4,728,541 06/811,774 03/01/88
4,728,542 06/874,326 03/01/88
4,728,553 07/002,212 03/01/88
4,728,565 06/932,722 03/01/88
4,728,573 06/861,631 03/01/88
4,728,579 06/835,985 03/01/88
4,728,590 06/890,256 03/01/88
4,728,607 06/592,072 03/01/88
4,728,616 07/016,893 03/01/88
4,728,618 06/833,327 03/01/88
4,728,619 07/063,934 03/01/88
4,728,621 06/934,372 03/01/88
4,728,623 06/915,310 03/01/88
4,728,624 06/793,612 03/01/88
4,728,625 06/777,808 03/01/88
4,728,626 06/799,043 03/01/88
4,728,649 06/817,135 03/01/88
4,728,667 06/858,471 03/01/88
4,728,670 06/870,565 03/01/88
4,728,675 07/062,891 03/01/88
4,728,676 07/001,118 03/01/88
4,728,682 06/781,615 03/01/88
4,728,684 06/830,528 03/01/88
4,728,690 06/840,911 03/01/88
4,728,692 07/019,553 03/01/88
4,728,696 06/803,757 03/01/88
4,728,700 07/072,949 03/01/88
4,728,704 07/014,556 03/01/88
4,728,713 06/937,718 03/01/88
4,728,714 06/937,719 03/01/88
4,728,715 06/937,717 03/01/88
4,728,716 06/797,258 03/01/88
4,728,724 06/720,605 03/01/88
4,728,731 06/838,231 03/01/88
4,728,742 06/746,428 03/01/88
4,728,751 06/915,485 03/01/88
4,728,755 06/888,946 03/01/88
4,728,756 06/857,679 03/01/88
4,728,760 06/895,399 03/01/88
4,728,761 06/859,348 03/01/88
4,728,765 06/905,860 03/01/88
4,728,767 06/920,229 03/01/88
4,728,769 06/938,330 03/01/88
4,728,776 06/912,727 03/01/88
4,728,784 07/009,203 03/01/88
4,728,788 06/687,279 03/01/88
4,728,801 06/860,567 03/01/88
4,728,810 07/016,426 03/01/88
4,728,813 06/905,910 03/01/88
4,728,814 06/915,467 03/01/88
4,728,821 06/725,255 03/01/88
4,728,822 06/604,249 03/01/88
4,728,845 07/067,845 03/01/88
4,728,846 06/867,535 03/01/88
4,728,849 06/882,553 03/01/88
4,728,850 06/881,635 03/01/88
4,728,860 06/831,522 03/01/88
4,728,861 06/802,764 03/01/88
4,728,863 06/804,536 03/01/88
4,728,866 06/904,874 03/01/88
4,728,867 06/838,222 03/01/88
4,728,875 06/921,715 03/01/88
4,728,877 06/872,690 03/01/88
4,728,886 06/904,045 03/01/88
4,728,888 06/745,771 03/01/88
4,728,894 06/714,218 03/01/88
4,728,898 06/840,001 03/01/88
4,728,899 06/902,178 03/01/88
4,728,903 06/858,664 03/01/88
4,728,907 06/938,045 03/01/88
4,728,909 06/924,548 03/01/88
4,728,912 06/809,181 03/01/88
4,728,922 06/792,601 03/01/88
4,728,936 06/850,986 03/01/88
4,728,938 06/817,843 03/01/88
4,728,941 06/801,918 03/01/88
4,728,945 06/736,879 03/01/88
4,728,948 06/798,383 03/01/88
4,728,953 06/914,956 03/01/88
4,728,957 06/934,073 03/01/88
4,728,958 06/833,937 03/01/88
4,728,966 07/020,425 03/01/88
4,728,985 06/875,726 03/01/88
4,728,995 07/022,821 03/01/88
4,729,004 06/904,775 03/01/88
4,729,006 06/840,180 03/01/88
4,729,007 06/777,066 03/01/88
4,729,010 06/890,533 03/01/88
4,729,013 06/863,422 03/01/88
4,729,014 06/853,479 03/01/88
4,729,019 06/918,883 03/01/88
4,729,023 06/917,290 03/01/88
4,729,025 06/921,083 03/01/88
4,729,028 06/916,169 03/01/88
4,729,029 06/845,317 03/01/88
4,729,047 06/797,906 03/01/88
4,729,058 06/940,348 03/01/88
4,729,081 06/936,455 03/01/88
4,729,083 06/908,441 03/01/88
4,729,084 07/049,310 03/01/88
4,729,088 07/057,394 03/01/88
4,729,091 06/670,503 03/01/88
4,729,097 06/730,350 03/01/88
4,729,119 06/612,565 03/01/88
4,729,121 06/840,745 03/01/88
4,729,123 06/896,259 03/01/88
PATENTS WHICH EXPIRED ON February 25, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,090,053 07/637,166 02/25/92
5,090,059 07/656,830 02/25/92
5,090,067 07/650,750 02/25/92
5,090,074 07/580,838 02/25/92
5,090,076 07/606,095 02/25/92
5,090,080 07/543,772 02/25/92
5,090,082 07/423,079 02/25/92
5,090,086 07/597,359 02/25/92
5,090,088 07/683,864 02/25/92
5,090,089 07/445,696 02/25/92
5,090,104 07/738,337 02/25/92
5,090,111 07/585,964 02/25/92
5,090,116 07/631,819 02/25/92
5,090,121 07/605,607 02/25/92
5,090,132 07/521,309 02/25/92
5,090,136 07/635,707 02/25/92
5,090,143 07/158,799 02/25/92
5,090,146 07/742,062 02/25/92
5,090,149 07/528,601 02/25/92
5,090,150 07/543,681 02/25/92
5,090,158 07/484,306 02/25/92
5,090,159 07/495,582 02/25/92
5,090,165 07/324,772 02/25/92
5,090,167 07/655,633 02/25/92
5,090,168 07/515,425 02/25/92
5,090,173 07/262,532 02/25/92
5,090,180 07/571,605 02/25/92
5,090,182 07/621,263 02/25/92
5,090,189 07/591,447 02/25/92
5,090,208 07/601,389 02/25/92
5,090,211 07/491,492 02/25/92
5,090,214 07/710,744 02/25/92
5,090,217 07/693,604 02/25/92
5,090,225 07/423,795 02/25/92
5,090,227 07/562,625 02/25/92
5,090,231 07/413,950 02/25/92
5,090,240 07/524,871 02/25/92
5,090,241 07/543,868 02/25/92
5,090,249 07/564,352 02/25/92
5,090,251 07/633,290 02/25/92
5,090,257 07/520,925 02/25/92
5,090,258 07/590,132 02/25/92
5,090,265 07/271,012 02/25/92
5,090,266 07/605,276 02/25/92
5,090,269 07/537,599 02/25/92
5,090,285 07/284,025 02/25/92
5,090,286 07/657,660 02/25/92
5,090,296 07/639,117 02/25/92
5,090,305 07/596,716 02/25/92
5,090,315 07/714,916 02/25/92
5,090,320 07/498,532 02/25/92
5,090,327 07/654,786 02/25/92
5,090,333 07/532,604 02/25/92
5,090,335 07/235,202 02/25/92
5,090,337 07/474,814 02/25/92
5,090,344 07/729,074 02/25/92
5,090,347 07/496,214 02/25/92
5,090,348 07/675,430 02/25/92
5,090,349 07/655,059 02/25/92
5,090,352 07/284,805 02/25/92
5,090,354 07/520,670 02/25/92
5,090,358 07/577,210 02/25/92
5,090,361 07/356,946 02/25/92
5,090,364 07/628,694 02/25/92
5,090,365 07/669,938 02/25/92
5,090,368 07/597,397 02/25/92
5,090,374 07/714,278 02/25/92
5,090,389 07/593,404 02/25/92
5,090,392 07/537,452 02/25/92
5,090,395 07/640,967 02/25/92
5,090,401 07/640,516 02/25/92
5,090,409 07/663,606 02/25/92
5,090,418 07/610,979 02/25/92
5,090,420 07/601,709 02/25/92
5,090,421 06/939,809 02/25/92
5,090,428 07/383,858 02/25/92
5,090,430 07/473,909 02/25/92
5,090,441 07/642,032 02/25/92
5,090,444 07/754,780 02/25/92
5,090,452 07/496,709 02/25/92
5,090,454 07/659,106 02/25/92
5,090,456 07/593,014 02/25/92
5,090,457 07/542,812 02/25/92
5,090,458 07/531,735 02/25/92
5,090,461 07/557,396 02/25/92
5,090,463 07/699,759 02/25/92
5,090,467 07/705,578 02/25/92
5,090,473 07/614,395 02/25/92
5,090,480 07/633,687 02/25/92
5,090,494 07/552,032 02/25/92
5,090,496 07/758,265 02/25/92
5,090,497 07/758,406 02/25/92
5,090,510 07/591,987 02/25/92
5,090,511 07/539,300 02/25/92
5,090,512 07/535,109 02/25/92
5,090,516 07/670,746 02/25/92
5,090,519 07/527,562 02/25/92
5,090,522 07/572,845 02/25/92
5,090,526 07/629,839 02/25/92
5,090,529 07/590,292 02/25/92
5,090,552 07/654,484 02/25/92
5,090,554 07/669,989 02/25/92
5,090,555 07/514,379 02/25/92
5,090,556 07/579,528 02/25/92
5,090,557 07/531,959 02/25/92
5,090,559 07/615,468 02/25/92
5,090,562 07/690,076 02/25/92
5,090,566 07/638,096 02/25/92
5,090,568 07/667,212 02/25/92
5,090,569 07/704,081 02/25/92
5,090,570 07/549,606 02/25/92
5,090,579 07/585,488 02/25/92
5,090,590 07/628,704 02/25/92
5,090,598 07/527,363 02/25/92
5,090,600 07/728,827 02/25/92
5,090,604 07/557,515 02/25/92
5,090,614 07/716,260 02/25/92
5,090,616 07/742,254 02/25/92
5,090,619 07/574,031 02/25/92
5,090,622 07/648,556 02/25/92
5,090,624 07/616,119 02/25/92
5,090,640 07/505,303 02/25/92
5,090,643 07/494,156 02/25/92
5,090,650 07/559,924 02/25/92
5,090,657 07/563,279 02/25/92
5,090,658 07/648,542 02/25/92
5,090,667 07/621,048 02/25/92
5,090,668 07/554,894 02/25/92
5,090,678 07/705,028 02/25/92
5,090,679 07/524,636 02/25/92
5,090,681 07/546,537 02/25/92
5,090,687 07/630,486 02/25/92
5,090,692 07/433,280 02/25/92
5,090,695 07/584,377 02/25/92
5,090,698 07/499,662 02/25/92
5,090,707 07/663,252 02/25/92
5,090,708 07/626,537 02/25/92
5,090,712 07/553,397 02/25/92
5,090,714 07/653,706 02/25/92
5,090,730 07/644,719 02/25/92
5,090,736 07/646,820 02/25/92
5,090,737 07/647,603 02/25/92
5,090,739 07/551,017 02/25/92
5,090,742 07/477,731 02/25/92
5,090,744 07/612,375 02/25/92
5,090,754 07/683,552 02/25/92
5,090,756 07/525,497 02/25/92
5,090,758 07/433,856 02/25/92
5,090,759 07/655,262 02/25/92
5,090,760 07/471,625 02/25/92
5,090,761 07/629,459 02/25/92
5,090,766 07/530,696 02/25/92
5,090,768 07/731,387 02/25/92
5,090,771 07/559,099 02/25/92
5,090,784 07/426,792 02/25/92
5,090,796 07/617,670 02/25/92
5,090,799 07/507,390 02/25/92
5,090,801 07/596,105 02/25/92
5,090,805 07/567,923 02/25/92
5,090,817 07/638,738 02/25/92
5,090,820 07/551,620 02/25/92
5,090,831 07/625,489 02/25/92
5,090,832 07/176,105 02/25/92
5,090,836 07/641,667 02/25/92
5,090,839 07/518,085 02/25/92
5,090,853 07/670,561 02/25/92
5,090,857 07/648,772 02/25/92
5,090,859 07/481,852 02/25/92
5,090,864 07/604,002 02/25/92
5,090,870 07/424,536 02/25/92
5,090,876 07/601,776 02/25/92
5,090,881 07/634,504 02/25/92
5,090,883 07/644,215 02/25/92
5,090,885 07/619,734 02/25/92
5,090,886 07/586,528 02/25/92
5,090,891 07/584,805 02/25/92
5,090,896 07/429,758 02/25/92
5,090,899 07/434,786 02/25/92
5,090,901 07/461,171 02/25/92
5,090,905 07/541,917 02/25/92
5,090,906 07/578,546 02/25/92
5,090,912 07/749,462 02/25/92
5,090,928 07/365,108 02/25/92
5,090,929 07/684,694 02/25/92
5,090,941 07/678,435 02/25/92
5,090,943 07/583,978 02/25/92
5,090,949 07/625,129 02/25/92
5,090,963 07/599,917 02/25/92
5,091,000 07/516,478 02/25/92
5,091,004 07/201,708 02/25/92
5,091,007 07/617,079 02/25/92
5,091,008 07/531,332 02/25/92
5,091,015 07/527,224 02/25/92
5,091,020 07/616,099 02/25/92
5,091,026 07/522,245 02/25/92
5,091,029 07/641,220 02/25/92
5,091,043 07/395,718 02/25/92
5,091,044 07/525,009 02/25/92
5,091,055 07/569,767 02/25/92
5,091,057 07/555,105 02/25/92
5,091,059 07/780,209 02/25/92
5,091,061 07/629,857 02/25/92
5,091,062 07/544,543 02/25/92
5,091,067 07/558,814 02/25/92
5,091,068 07/590,387 02/25/92
5,091,072 07/504,723 02/25/92
5,091,074 07/682,174 02/25/92
5,091,077 07/594,053 02/25/92
5,091,080 07/621,022 02/25/92
5,091,082 07/639,150 02/25/92
5,091,084 07/522,559 02/25/92
5,091,095 07/556,290 02/25/92
5,091,096 07/680,415 02/25/92
5,091,097 07/710,782 02/25/92
5,091,100 07/569,802 02/25/92
5,091,102 07/563,561 02/25/92
5,091,115 07/506,784 02/25/92
5,091,119 07/410,381 02/25/92
5,091,122 07/173,071 02/25/92
5,091,125 07/506,804 02/25/92
5,091,129 07/459,279 02/25/92
5,091,131 07/584,922 02/25/92
5,091,140 07/745,790 02/25/92
5,091,142 07/409,171 02/25/92
5,091,143 07/363,877 02/25/92
5,091,144 07/560,410 02/25/92
5,091,145 07/515,124 02/25/92
5,091,149 07/673,146 02/25/92
5,091,150 07/579,261 02/25/92
5,091,155 07/425,631 02/25/92
5,091,157 07/516,484 02/25/92
5,091,158 07/445,785 02/25/92
5,091,160 07/608,684 02/25/92
5,091,164 07/453,105 02/25/92
5,091,172 07/562,842 02/25/92
5,091,173 07/525,171 02/25/92
5,091,177 07/523,309 02/25/92
5,091,178 07/473,137 02/25/92
5,091,179 07/281,737 02/25/92
5,091,192 07/465,917 02/25/92
5,091,194 07/284,242 02/25/92
5,091,200 07/701,850 02/25/92
5,091,204 07/111,132 02/25/92
5,091,214 07/533,332 02/25/92
5,091,227 07/679,237 02/25/92
5,091,228 07/720,650 02/25/92
5,091,239 07/490,825 02/25/92
5,091,242 07/605,645 02/25/92
5,091,254 07/527,976 02/25/92
5,091,259 07/606,720 02/25/92
5,091,260 07/401,301 02/25/92
5,091,277 07/548,077 02/25/92
5,091,285 07/515,444 02/25/92
5,091,287 07/506,905 02/25/92
5,091,291 07/603,590 02/25/92
5,091,296 07/543,910 02/25/92
5,091,299 07/543,746 02/25/92
5,091,311 07/512,126 02/25/92
5,091,315 07/366,250 02/25/92
5,091,317 07/231,566 02/25/92
5,091,325 07/544,045 02/25/92
5,091,335 07/506,137 02/25/92
5,091,345 07/531,058 02/25/92
5,091,354 07/550,935 02/25/92
5,091,356 07/451,170 02/25/92
5,091,362 07/597,474 02/25/92
5,091,364 07/559,432 02/25/92
5,091,370 07/539,743 02/25/92
5,091,383 07/157,182 02/25/92
5,091,390 07/585,422 02/25/92
5,091,399 07/625,284 02/25/92
5,091,400 07/563,945 02/25/92
5,091,403 07/565,975 02/25/92
5,091,417 07/579,956 02/25/92
5,091,421 07/451,350 02/25/92
5,091,428 07/652,141 02/25/92
5,091,445 07/519,193 02/25/92
5,091,450 07/733,483 02/25/92
5,091,457 07/515,294 02/25/92
5,091,462 07/493,459 02/25/92
5,091,472 07/478,864 02/25/92
5,091,475 07/380,956 02/25/92
5,091,479 07/443,978 02/25/92
5,091,486 07/550,478 02/25/92
5,091,488 07/443,028 02/25/92
5,091,491 07/607,980 02/25/92
5,091,497 07/621,179 02/25/92
5,091,509 07/459,011 02/25/92
5,091,516 07/608,842 02/25/92
5,091,526 07/635,535 02/25/92
5,091,531 07/231,894 02/25/92
5,091,543 07/597,978 02/25/92
5,091,549 07/575,615 02/25/92
5,091,551 07/510,840 02/25/92
5,091,553 07/552,696 02/25/92
5,091,557 07/701,906 02/25/92
5,091,562 07/676,051 02/25/92
5,091,563 07/453,154 02/25/92
5,091,569 07/540,625 02/25/92
5,091,574 07/660,305 02/25/92
5,091,580 07/676,017 02/25/92
5,091,582 07/558,947 02/25/92
5,091,586 07/550,901 02/25/92
5,091,593 07/357,399 02/25/92
5,091,600 07/529,516 02/25/92
5,091,602 07/647,568 02/25/92
5,091,608 07/642,710 02/25/92
5,091,615 07/465,749 02/25/92
5,091,628 07/703,196 02/25/92
5,091,630 07/608,837 02/25/92
5,091,633 07/656,333 02/25/92
5,091,635 07/595,652 02/25/92
5,091,645 07/629,248 02/25/92
5,091,646 07/529,933 02/25/92
5,091,647 07/632,557 02/25/92
5,091,659 07/685,859 02/25/92
5,091,669 07/704,328 02/25/92
5,091,684 07/476,490 02/25/92
5,091,685 07/423,907 02/25/92
5,091,687 07/551,136 02/25/92
5,091,688 07/654,048 02/25/92
5,091,692 07/636,094 02/25/92
5,091,694 07/472,228 02/25/92
5,091,695 07/591,069 02/25/92
5,091,708 07/559,811 02/25/92
5,091,710 07/384,764 02/25/92
5,091,713 07/521,605 02/25/92
5,091,715 07/649,141 02/25/92
5,091,716 07/550,695 02/25/92
5,091,720 07/304,382 02/25/92
5,091,725 07/706,543 02/25/92
5,091,732 07/579,455 02/25/92
5,091,758 07/544,579 02/25/92
5,091,770 07/700,777 02/25/92
5,091,792 07/685,574 02/25/92
5,091,794 07/434,747 02/25/92
5,091,796 07/637,220 02/25/92
5,091,798 07/713,514 02/25/92
5,091,804 07/547,220 02/25/92
5,091,813 07/376,615 02/25/92
5,091,835 07/660,398 02/25/92
5,091,836 07/709,358 02/25/92
5,091,837 07/648,716 02/25/92
5,091,847 07/416,643 02/25/92
5,091,850 07/474,652 02/25/92
5,091,866 07/489,724 02/25/92
5,091,870 07/537,219 02/25/92
5,091,873 07/453,404 02/25/92
5,091,875 07/500,437 02/25/92
5,091,894 07/668,173 02/25/92
5,091,895 07/654,652 02/25/92
5,091,896 07/594,514 02/25/92
5,091,906 07/452,929 02/25/92
5,091,909 07/288,150 02/25/92
5,091,915 07/618,427 02/25/92
5,091,925 07/605,111 02/25/92
5,091,928 07/398,104 02/25/92
5,091,929 07/591,959 02/25/92
5,091,935 06/850,090 02/25/92
5,091,941 07/607,988 02/25/92
5,091,943 07/575,131 02/25/92
5,091,952 07/269,987 02/25/92
5,091,956 07/460,790 02/25/92
5,091,961 07/380,194 02/25/92
5,091,962 07/283,175 02/25/92
5,091,964 07/678,217 02/25/92
5,091,983 07/445,735 02/25/92
PATENTS WHICH EXPIRED ON February 27, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,493,730 08/311,663 02/27/96
5,493,731 08/058,926 02/27/96
5,493,732 08/266,192 02/27/96
5,493,733 08/303,954 02/27/96
5,493,735 08/228,559 02/27/96
5,493,742 08/240,228 02/27/96
5,493,743 08/279,019 02/27/96
5,493,744 08/313,272 02/27/96
5,493,764 08/253,270 02/27/96
5,493,765 08/345,315 02/27/96
5,493,766 08/118,217 02/27/96
5,493,768 08/162,716 02/27/96
5,493,771 08/266,957 02/27/96
5,493,780 08/311,158 02/27/96
5,493,783 08/247,654 02/27/96
5,493,785 08/354,244 02/27/96
5,493,788 08/346,615 02/27/96
5,493,790 08/381,162 02/27/96
5,493,793 08/320,583 02/27/96
5,493,794 08/249,278 02/27/96
5,493,797 08/264,900 02/27/96
5,493,801 08/137,492 02/27/96
5,493,807 08/240,173 02/27/96
5,493,811 08/199,332 02/27/96
5,493,818 08/233,938 02/27/96
5,493,820 08/085,839 02/27/96
5,493,822 08/324,594 02/27/96
5,493,823 08/341,423 02/27/96
5,493,831 08/211,183 02/27/96
5,493,832 08/136,412 02/27/96
5,493,846 08/385,662 02/27/96
5,493,847 08/187,716 02/27/96
5,493,848 08/345,140 02/27/96
5,493,852 08/379,051 02/27/96
5,493,864 08/259,783 02/27/96
5,493,866 08/367,012 02/27/96
5,493,879 08/328,117 02/27/96
5,493,890 08/213,988 02/27/96
5,493,895 08/293,988 02/27/96
5,493,903 08/294,588 02/27/96
5,493,906 08/252,265 02/27/96
5,493,915 08/282,552 02/27/96
5,493,918 08/163,350 02/27/96
5,493,920 08/197,214 02/27/96
5,493,925 08/083,974 02/27/96
5,493,934 08/281,465 02/27/96
5,493,942 08/181,743 02/27/96
5,493,946 08/383,372 02/27/96
5,493,951 08/238,452 02/27/96
5,493,960 08/286,212 02/27/96
5,493,964 08/355,309 02/27/96
5,493,974 08/182,018 02/27/96
5,493,980 08/261,923 02/27/96
5,493,981 08/313,366 02/27/96
5,493,991 08/378,035 02/27/96
5,493,993 08/377,662 02/27/96
5,493,998 08/238,513 02/27/96
5,493,999 08/348,489 02/27/96
5,494,000 08/189,699 02/27/96
5,494,006 08/401,868 02/27/96
5,494,012 08/343,179 02/27/96
5,494,017 08/246,237 02/27/96
5,494,020 08/344,859 02/27/96
5,494,021 08/305,941 02/27/96
5,494,023 08/242,358 02/27/96
5,494,025 08/227,393 02/27/96
5,494,039 08/093,020 02/27/96
5,494,048 08/161,289 02/27/96
5,494,052 08/393,669 02/27/96
5,494,056 08/276,406 02/27/96
5,494,061 08/475,855 02/27/96
5,494,064 08/433,215 02/27/96
5,494,065 08/214,542 02/27/96
5,494,068 08/445,915 02/27/96
5,494,075 08/262,615 02/27/96
5,494,077 08/452,566 02/27/96
5,494,084 08/267,072 02/27/96
5,494,085 08/389,717 02/27/96
5,494,087 08/322,126 02/27/96
5,494,090 08/178,427 02/27/96
5,494,092 08/337,999 02/27/96
5,494,096 08/225,644 02/27/96
5,494,100 08/107,726 02/27/96
5,494,115 08/328,682 02/27/96
5,494,117 08/185,339 02/27/96
5,494,118 08/204,165 02/27/96
5,494,119 08/273,719 02/27/96
5,494,122 08/317,969 02/27/96
5,494,126 08/252,907 02/27/96
5,494,130 08/333,419 02/27/96
5,494,133 08/229,757 02/27/96
5,494,136 08/463,004 02/27/96
5,494,139 08/090,064 02/27/96
5,494,148 08/274,631 02/27/96
5,494,150 08/263,343 02/27/96
5,494,151 08/285,227 02/27/96
5,494,156 08/278,163 02/27/96
5,494,160 08/318,868 02/27/96
5,494,166 08/321,871 02/27/96
5,494,172 08/241,707 02/27/96
5,494,175 08/287,270 02/27/96
5,494,176 08/263,690 02/27/96
5,494,177 08/116,690 02/27/96
5,494,178 08/280,065 02/27/96
5,494,181 08/232,994 02/27/96
5,494,187 08/149,322 02/27/96
5,494,188 08/364,842 02/27/96
5,494,191 08/236,199 02/27/96
5,494,199 08/241,506 02/27/96
5,494,202 08/337,868 02/27/96
5,494,210 08/334,336 02/27/96
5,494,211 08/387,533 02/27/96
5,494,216 08/256,541 02/27/96
5,494,217 08/258,289 02/27/96
5,494,226 08/194,482 02/27/96
5,494,231 08/166,919 02/27/96
5,494,233 08/173,546 02/27/96
5,494,234 08/193,463 02/27/96
5,494,236 07/600,146 02/27/96
5,494,240 08/320,616 02/27/96
5,494,244 08/282,373 02/27/96
5,494,252 08/340,844 02/27/96
5,494,253 08/138,996 02/27/96
5,494,260 08/294,656 02/27/96
5,494,261 08/374,832 02/27/96
5,494,263 08/206,668 02/27/96
5,494,266 08/331,945 02/27/96
5,494,269 08/296,634 02/27/96
5,494,275 08/166,049 02/27/96
5,494,278 08/300,659 02/27/96
5,494,279 08/241,558 02/27/96
5,494,285 08/392,539 02/27/96
5,494,290 08/419,255 02/27/96
5,494,292 08/465,991 02/27/96
5,494,293 08/333,043 02/27/96
5,494,296 08/384,011 02/27/96
5,494,297 08/285,125 02/27/96
5,494,299 08/200,012 02/27/96
5,494,306 08/410,879 02/27/96
5,494,307 08/118,953 02/27/96
5,494,309 08/269,433 02/27/96
5,494,310 08/096,291 02/27/96
5,494,315 08/337,041 02/27/96
5,494,323 08/219,696 02/27/96
5,494,328 08/328,359 02/27/96
5,494,329 08/229,652 02/27/96
5,494,330 08/255,749 02/27/96
5,494,332 08/247,111 02/27/96
5,494,336 08/207,307 02/27/96
5,494,337 08/106,056 02/27/96
5,494,340 08/289,943 02/27/96
5,494,341 08/328,352 02/27/96
5,494,348 08/157,680 02/27/96
5,494,350 08/196,715 02/27/96
5,494,356 08/255,656 02/27/96
5,494,367 08/167,359 02/27/96
5,494,369 08/348,566 02/27/96
5,494,378 08/270,599 02/27/96
5,494,386 08/147,583 02/27/96
5,494,388 08/185,263 02/27/96
5,494,390 08/104,730 02/27/96
5,494,396 08/384,638 02/27/96
5,494,401 08/356,110 02/27/96
5,494,407 08/357,701 02/27/96
5,494,415 08/304,727 02/27/96
5,494,420 08/250,538 02/27/96
5,494,431 08/250,910 02/27/96
5,494,432 08/235,903 02/27/96
5,494,436 08/390,178 02/27/96
5,494,440 08/245,618 02/27/96
5,494,443 08/286,541 02/27/96
5,494,444 08/156,786 02/27/96
5,494,445 08/331,810 02/27/96
5,494,454 08/302,934 02/27/96
5,494,460 08/383,953 02/27/96
5,494,463 08/165,252 02/27/96
5,494,465 08/231,012 02/27/96
5,494,469 08/316,709 02/27/96
5,494,470 08/279,102 02/27/96
5,494,479 08/004,977 02/27/96
5,494,480 08/193,123 02/27/96
5,494,483 08/330,426 02/27/96
5,494,488 08/191,506 02/27/96
5,494,496 08/435,625 02/27/96
5,494,497 08/175,573 02/27/96
5,494,527 08/231,875 02/27/96
5,494,530 08/163,871 02/27/96
5,494,533 08/182,464 02/27/96
5,494,535 08/404,713 02/27/96
5,494,538 08/181,674 02/27/96
5,494,542 08/336,770 02/27/96
5,494,546 08/198,590 02/27/96
5,494,548 08/343,113 02/27/96
5,494,551 08/329,146 02/27/96
5,494,552 08/210,420 02/27/96
5,494,565 08/323,928 02/27/96
5,494,567 08/330,607 02/27/96
5,494,572 08/458,554 02/27/96
5,494,576 08/429,823 02/27/96
5,494,581 08/180,994 02/27/96
5,494,593 08/363,190 02/27/96
5,494,594 08/282,127 02/27/96
5,494,599 08/133,063 02/27/96
5,494,603 08/378,694 02/27/96
5,494,614 08/247,782 02/27/96
5,494,617 08/243,027 02/27/96
5,494,630 08/270,039 02/27/96
5,494,633 08/221,944 02/27/96
5,494,634 08/004,002 02/27/96
5,494,642 08/361,261 02/27/96
5,494,647 08/131,185 02/27/96
5,494,648 08/188,863 02/27/96
5,494,649 07/930,638 02/27/96
5,494,660 08/194,209 02/27/96
5,494,662 08/049,503 02/27/96
5,494,663 08/252,826 02/27/96
5,494,670 08/095,613 02/27/96
5,494,675 07/943,737 02/27/96
5,494,677 08/082,419 02/27/96
5,494,694 08/266,654 02/27/96
5,494,701 08/210,076 02/27/96
5,494,703 08/346,124 02/27/96
5,494,714 08/345,871 02/27/96
5,494,725 08/097,552 02/27/96
5,494,738 07/658,587 02/27/96
5,494,747 08/290,758 02/27/96
5,494,755 08/257,108 02/27/96
5,494,756 08/062,646 02/27/96
5,494,758 08/258,450 02/27/96
5,494,760 07/958,419 02/27/96
5,494,769 08/179,206 02/27/96
5,494,775 08/331,426 02/27/96
5,494,776 08/248,369 02/27/96
5,494,785 08/373,685 02/27/96
5,494,788 08/315,031 02/27/96
5,494,795 08/056,538 02/27/96
5,494,797 08/272,274 02/27/96
5,494,802 08/032,634 02/27/96
5,494,812 08/274,896 02/27/96
5,494,815 08/034,064 02/27/96
5,494,817 08/164,162 02/27/96
5,494,821 08/322,725 02/27/96
5,494,832 08/219,535 02/27/96
5,494,840 08/081,371 02/27/96
5,494,850 08/203,951 02/27/96
5,494,857 08/098,533 02/27/96
5,494,868 08/176,058 02/27/96
5,494,871 08/384,400 02/27/96
5,494,886 08/337,139 02/27/96
5,494,888 08/186,589 02/27/96
5,494,889 08/157,052 02/27/96
5,494,890 08/460,486 02/27/96
5,494,891 08/354,048 02/27/96
5,494,892 08/310,105 02/27/96
5,494,900 08/178,360 02/27/96
5,494,901 08/000,935 02/27/96
5,494,909 08/244,736 02/27/96
5,494,910 08/406,981 02/27/96
5,494,913 08/355,147 02/27/96
5,494,924 08/250,686 02/27/96
5,494,925 08/348,421 02/27/96
5,494,931 08/350,436 02/27/96
5,494,934 07/787,374 02/27/96
5,494,957 08/291,786 02/27/96
5,494,973 08/370,237 02/27/96
5,494,974 08/253,811 02/27/96
5,494,976 08/110,223 02/27/96
5,494,982 08/293,401 02/27/96
5,494,983 07/737,307 02/27/96
5,494,986 08/456,976 02/27/96
5,494,989 08/248,236 02/27/96
5,494,990 08/415,342 02/27/96
5,494,998 08/339,096 02/27/96
5,495,004 08/005,270 02/27/96
5,495,006 08/024,254 02/27/96
5,495,007 08/236,754 02/27/96
5,495,022 08/264,872 02/27/96
5,495,023 08/211,949 02/27/96
5,495,024 08/302,411 02/27/96
5,495,033 08/297,636 02/27/96
5,495,034 08/244,881 02/27/96
5,495,041 08/395,601 02/27/96
5,495,047 08/175,432 02/27/96
5,495,050 08/326,272 02/27/96
5,495,051 08/294,272 02/27/96
5,495,086 08/207,568 02/27/96
5,495,092 08/292,739 02/27/96
5,495,096 07/948,279 02/27/96
5,495,102 08/136,085 02/27/96
5,495,106 08/320,612 02/27/96
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