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 23, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Application Issue
Number Number Date
4,726,077 06/670,945 02/23/88
4,726,078 07/031,539 02/23/88
4,726,086 06/895,358 02/23/88
4,726,094 07/068,956 02/23/88
4,726,099 06/908,422 02/23/88
4,726,105 07/013,444 02/23/88
4,726,117 06/877,328 02/23/88
4,726,120 07/022,226 02/23/88
4,726,122 06/926,090 02/23/88
4,726,127 06/909,939 02/23/88
4,726,131 06/935,876 02/23/88
4,726,142 06/924,312 02/23/88
4,726,167 07/013,008 02/23/88
4,726,170 06/884,166 02/23/88
4,726,180 07/036,328 02/23/88
4,726,197 06/926,207 02/23/88
4,726,204 06/827,955 02/23/88
4,726,205 06/836,905 02/23/88
4,726,214 06/853,239 02/23/88
4,726,216 06/906,011 02/23/88
4,726,218 06/938,233 02/23/88
4,726,219 06/829,381 02/23/88
4,726,222 06/926,144 02/23/88
4,726,229 06/888,020 02/23/88
4,726,231 06/855,749 02/23/88
4,726,232 06/869,744 02/23/88
4,726,241 06/879,608 02/23/88
4,726,249 06/917,557 02/23/88
4,726,270 07/000,688 02/23/88
4,726,278 06/878,470 02/23/88
4,726,279 06/929,533 02/23/88
4,726,286 06/916,286 02/23/88
4,726,291 06/868,237 02/23/88
4,726,296 06/725,405 02/23/88
4,726,299 06/832,028 02/23/88
4,726,300 06/830,465 02/23/88
4,726,307 06/900,481 02/23/88
4,726,333 06/935,897 02/23/88
4,726,341 06/917,588 02/23/88
4,726,348 06/897,436 02/23/88
4,726,364 06/914,888 02/23/88
4,726,365 06/861,300 02/23/88
4,726,373 06/780,150 02/23/88
4,726,374 07/073,859 02/23/88
4,726,404 06/942,221 02/23/88
4,726,409 06/794,658 02/23/88
4,726,414 06/872,849 02/23/88
4,726,415 07/054,074 02/23/88
4,726,423 06/945,765 02/23/88
4,726,424 06/909,597 02/23/88
4,726,431 06/865,239 02/23/88
4,726,433 06/876,786 02/23/88
4,726,437 06/859,342 02/23/88
4,726,440 07/047,717 02/23/88
4,726,449 06/945,045 02/23/88
4,726,450 06/853,285 02/23/88
4,726,456 06/870,505 02/23/88
4,726,459 06/773,925 02/23/88
4,726,460 06/915,865 02/23/88
4,726,462 06/846,113 02/23/88
4,726,463 06/890,178 02/23/88
4,726,485 07/007,512 02/23/88
4,726,486 06/931,728 02/23/88
4,726,487 06/920,683 02/23/88
4,726,488 07/042,750 02/23/88
4,726,492 06/800,521 02/23/88
4,726,494 06/946,841 02/23/88
4,726,503 06/764,724 02/23/88
4,726,505 07/002,670 02/23/88
4,726,517 07/061,002 02/23/88
4,726,518 06/844,950 02/23/88
4,726,529 06/887,239 02/23/88
4,726,530 07/011,362 02/23/88
4,726,533 06/870,003 02/23/88
4,726,537 07/077,345 02/23/88
4,726,542 06/899,933 02/23/88
4,726,543 07/016,548 02/23/88
4,726,545 06/936,862 02/23/88
4,726,552 06/931,905 02/23/88
4,726,558 06/825,982 02/23/88
4,726,575 06/915,055 02/23/88
4,726,582 06/869,840 02/23/88
4,726,588 06/897,327 02/23/88
4,726,600 06/891,221 02/23/88
4,726,616 06/874,719 02/23/88
4,726,617 07/021,950 02/23/88
4,726,629 06/847,442 02/23/88
4,726,645 06/654,620 02/23/88
4,726,657 06/755,636 02/23/88
4,726,684 06/946,520 02/23/88
4,726,688 06/923,922 02/23/88
4,726,691 07/069,491 02/23/88
4,726,694 07/054,333 02/23/88
4,726,699 06/927,659 02/23/88
4,726,705 06/893,011 02/23/88
4,726,714 06/720,369 02/23/88
4,726,726 07/001,903 02/23/88
4,726,738 06/817,670 02/23/88
4,726,746 06/912,116 02/23/88
4,726,750 06/828,725 02/23/88
4,726,751 06/817,855 02/23/88
4,726,753 06/897,621 02/23/88
4,726,766 06/936,160 02/23/88
4,726,769 06/921,775 02/23/88
4,726,775 07/043,910 02/23/88
4,726,780 06/909,209 02/23/88
4,726,787 06/944,087 02/23/88
4,726,793 07/027,771 02/23/88
4,726,804 06/856,791 02/23/88
4,726,809 06/865,085 02/23/88
4,726,814 07/034,155 02/23/88
4,726,820 06/920,148 02/23/88
4,726,821 07/025,149 02/23/88
4,726,828 06/885,344 02/23/88
4,726,830 06/914,437 02/23/88
4,726,836 06/887,759 02/23/88
4,726,852 06/890,559 02/23/88
4,726,854 06/762,664 02/23/88
4,726,855 06/930,036 02/23/88
4,726,857 06/867,066 02/23/88
4,726,859 06/845,176 02/23/88
4,726,860 06/799,117 02/23/88
4,726,865 07/037,868 02/23/88
4,726,869 06/781,318 02/23/88
4,726,879 06/904,437 02/23/88
4,726,881 06/730,241 02/23/88
4,726,883 07/043,903 02/23/88
4,726,886 07/048,119 02/23/88
4,726,888 06/938,157 02/23/88
4,726,896 07/023,698 02/23/88
4,726,905 06/858,067 02/23/88
4,726,916 06/728,812 02/23/88
4,726,918 06/902,969 02/23/88
4,726,924 06/851,223 02/23/88
4,726,927 07/018,670 02/23/88
4,726,928 06/854,690 02/23/88
4,726,939 06/812,919 02/23/88
4,726,956 06/899,224 02/23/88
4,726,958 07/001,300 02/23/88
4,726,974 06/916,554 02/23/88
4,726,977 06/870,763 02/23/88
4,726,987 07/034,258 02/23/88
4,726,998 06/870,812 02/23/88
4,726,999 06/792,659 02/23/88
4,727,001 06/914,141 02/23/88
4,727,006 06/831,027 02/23/88
4,727,010 06/891,177 02/23/88
4,727,012 06/788,947 02/23/88
4,727,018 06/733,316 02/23/88
4,727,026 06/866,296 02/23/88
4,727,030 06/791,274 02/23/88
4,727,039 06/761,324 02/23/88
4,727,049 06/752,421 02/23/88
4,727,077 06/823,521 02/23/88
4,727,078 06/502,603 02/23/88
4,727,079 06/733,463 02/23/88
4,727,080 06/806,695 02/23/88
4,727,085 06/706,748 02/23/88
4,727,087 06/744,647 02/23/88
4,727,094 06/937,419 02/23/88
4,727,100 06/897,038 02/23/88
4,727,102 06/754,916 02/23/88
4,727,104 06/822,432 02/23/88
4,727,105 06/695,035 02/23/88
4,727,107 06/727,984 02/23/88
4,727,112 07/017,121 02/23/88
4,727,113 06/786,026 02/23/88
4,727,116 06/893,126 02/23/88
4,727,118 06/770,932 02/23/88
4,727,119 06/907,706 02/23/88
4,727,129 06/937,678 02/23/88
4,727,131 06/938,062 02/23/88
4,727,133 06/827,226 02/23/88
4,727,143 06/871,941 02/23/88
4,727,147 06/783,518 02/23/88
4,727,153 06/942,200 02/23/88
4,727,161 06/798,919 02/23/88
4,727,164 06/817,178 02/23/88
4,727,170 07/065,463 02/23/88
4,727,171 07/067,508 02/23/88
4,727,174 06/848,282 02/23/88
4,727,181 06/854,228 02/23/88
4,727,187 06/741,387 02/23/88
4,727,188 06/717,010 02/23/88
4,727,190 06/918,656 02/23/88
4,727,198 07/025,043 02/23/88
4,727,199 06/753,543 02/23/88
4,727,208 06/906,472 02/23/88
4,727,211 06/668,230 02/23/88
4,727,212 06/668,229 02/23/88
4,727,222 06/931,183 02/23/88
4,727,226 07/075,253 02/23/88
4,727,232 06/920,082 02/23/88
4,727,236 06/867,127 02/23/88
4,727,238 06/899,308 02/23/88
4,727,239 06/883,751 02/23/88
4,727,241 06/896,590 02/23/88
4,727,242 06/921,329 02/23/88
4,727,245 06/918,508 02/23/88
4,727,246 06/766,759 02/23/88
4,727,256 06/749,212 02/23/88
4,727,258 06/854,450 02/23/88
4,727,260 06/844,467 02/23/88
4,727,267 07/062,036 02/23/88
4,727,269 06/766,865 02/23/88
4,727,270 06/861,040 02/23/88
4,727,271 06/739,170 02/23/88
4,727,285 06/751,889 02/23/88
4,727,288 06/786,221 02/23/88
4,727,295 06/838,225 02/23/88
4,727,304 06/928,946 02/23/88
4,727,306 06/878,896 02/23/88
4,727,308 06/901,350 02/23/88
4,727,313 06/709,612 02/23/88
4,727,334 06/839,080 02/23/88
4,727,336 06/881,292 02/23/88
4,727,339 06/924,868 02/23/88
4,727,345 06/909,216 02/23/88
4,727,355 06/852,119 02/23/88
4,727,359 06/845,572 02/23/88
4,727,361 07/010,144 02/23/88
4,727,364 06/652,584 02/23/88
4,727,374 06/338,315 02/23/88
4,727,385 06/876,831 02/23/88
4,727,387 07/065,843 02/23/88
4,727,389 06/926,610 02/23/88
4,727,397 07/051,789 02/23/88
4,727,405 06/935,983 02/23/88
4,727,410 06/555,032 02/23/88
4,727,411 06/853,146 02/23/88
4,727,414 06/887,159 02/23/88
4,727,419 06/848,099 02/23/88
4,727,423 06/885,926 02/23/88
4,727,427 06/922,253 02/23/88
4,727,428 06/937,623 02/23/88
4,727,429 06/885,446 02/23/88
4,727,431 06/768,819 02/23/88
4,727,438 06/745,137 02/23/88
4,727,440 06/837,068 02/23/88
4,727,441 06/774,413 02/23/88
4,727,442 06/837,066 02/23/88
4,727,458 06/869,127 02/23/88
4,727,462 07/036,312 02/23/88
4,727,468 07/022,955 02/23/88
4,727,477 06/714,761 02/23/88
4,727,482 06/527,675 02/23/88
4,727,485 06/815,613 02/23/88
4,727,489 07/018,779 02/23/88
4,727,491 06/626,912 02/23/88
4,727,493 06/607,250 02/23/88
4,727,495 06/785,152 02/23/88
4,727,507 06/685,517 02/23/88
4,727,508 06/681,454 02/23/88
4,727,509 06/625,781 02/23/88
4,727,514 06/828,469 02/23/88
4,727,517 06/785,654 02/23/88
4,727,519 06/801,364 02/23/88
4,727,522 06/783,230 02/23/88
4,727,526 06/940,515 02/23/88
4,727,545 06/902,614 02/23/88
4,727,546 06/786,773 02/23/88
4,727,549 06/758,251 02/23/88
4,727,561 06/865,014 02/23/88
4,727,563 06/775,290 02/23/88
4,727,567 06/709,192 02/23/88
4,727,573 06/819,451 02/23/88
4,727,580 07/008,622 02/23/88
4,727,582 06/712,577 02/23/88
4,727,585 06/934,125 02/23/88
PATENTS WHICH EXPIRED ON February 18, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,088,114 07/464,965 02/18/92
5,088,116 07/335,586 02/18/92
5,088,121 07/647,542 02/18/92
5,088,132 07/572,219 02/18/92
5,088,145 07/498,895 02/18/92
5,088,146 07/545,518 02/18/92
5,088,168 07/612,071 02/18/92
5,088,169 07/706,028 02/18/92
5,088,170 07/455,345 02/18/92
5,088,171 07/731,135 02/18/92
5,088,173 07/536,936 02/18/92
5,088,174 07/653,167 02/18/92
5,088,176 07/660,742 02/18/92
5,088,177 07/546,398 02/18/92
5,088,178 07/449,885 02/18/92
5,088,186 07/492,821 02/18/92
5,088,197 07/521,582 02/18/92
5,088,198 07/605,755 02/18/92
5,088,203 07/716,090 02/18/92
5,088,204 07/603,563 02/18/92
5,088,207 07/450,175 02/18/92
5,088,212 07/536,646 02/18/92
5,088,223 07/610,521 02/18/92
5,088,224 07/649,677 02/18/92
5,088,228 07/587,108 02/18/92
5,088,238 07/658,153 02/18/92
5,088,248 07/665,346 02/18/92
5,088,255 07/640,276 02/18/92
5,088,256 07/562,908 02/18/92
5,088,261 07/631,337 02/18/92
5,088,273 07/633,251 02/18/92
5,088,278 07/631,097 02/18/92
5,088,279 07/501,994 02/18/92
5,088,288 07/594,631 02/18/92
5,088,289 07/674,956 02/18/92
5,088,296 07/442,199 02/18/92
5,088,301 07/631,970 02/18/92
5,088,308 07/674,673 02/18/92
5,088,319 07/633,537 02/18/92
5,088,324 07/666,265 02/18/92
5,088,327 07/524,414 02/18/92
5,088,339 07/620,140 02/18/92
5,088,340 07/675,812 02/18/92
5,088,345 07/711,801 02/18/92
5,088,346 07/552,707 02/18/92
5,088,350 07/643,569 02/18/92
5,088,353 07/448,545 02/18/92
5,088,355 07/628,426 02/18/92
5,088,362 07/472,360 02/18/92
5,088,367 07/559,057 02/18/92
5,088,373 07/581,305 02/18/92
5,088,382 07/644,986 02/18/92
5,088,385 07/656,531 02/18/92
5,088,387 07/703,581 02/18/92
5,088,389 07/647,552 02/18/92
5,088,393 07/489,807 02/18/92
5,088,394 07/569,821 02/18/92
5,088,396 07/637,345 02/18/92
5,088,402 07/534,404 02/18/92
5,088,406 07/647,409 02/18/92
5,088,413 07/587,298 02/18/92
5,088,421 07/569,333 02/18/92
5,088,423 07/516,918 02/18/92
5,088,424 07/545,335 02/18/92
5,088,428 07/438,255 02/18/92
5,088,432 07/436,047 02/18/92
5,088,436 07/503,326 02/18/92
5,088,438 07/500,523 02/18/92
5,088,440 07/636,074 02/18/92
5,088,446 07/507,441 02/18/92
5,088,449 07/667,242 02/18/92
5,088,450 07/605,802 02/18/92
5,088,461 07/676,575 02/18/92
5,088,462 07/588,711 02/18/92
5,088,475 07/539,726 02/18/92
5,088,480 07/401,886 02/18/92
5,088,485 07/532,276 02/18/92
5,088,496 07/590,398 02/18/92
5,088,497 07/668,962 02/18/92
5,088,501 07/599,016 02/18/92
5,088,507 07/075,001 02/18/92
5,088,508 07/656,768 02/18/92
5,088,524 07/425,685 02/18/92
5,088,529 07/572,634 02/18/92
5,088,530 07/516,291 02/18/92
5,088,534 07/575,157 02/18/92
5,088,549 07/714,647 02/18/92
5,088,550 07/686,148 02/18/92
5,088,551 07/639,027 02/18/92
5,088,553 07/630,313 02/18/92
5,088,561 07/608,252 02/18/92
5,088,569 07/637,149 02/18/92
5,088,585 07/554,024 02/18/92
5,088,586 07/189,168 02/18/92
5,088,588 07/403,930 02/18/92
5,088,590 07/638,121 02/18/92
5,088,593 07/607,167 02/18/92
5,088,598 07/514,470 02/18/92
5,088,600 07/664,662 02/18/92
5,088,607 07/492,949 02/18/92
5,088,609 07/482,431 02/18/92
5,088,617 07/661,608 02/18/92
5,088,618 06/627,525 02/18/92
5,088,623 07/216,071 02/18/92
5,088,632 07/571,576 02/18/92
5,088,634 07/601,846 02/18/92
5,088,636 07/663,626 02/18/92
5,088,645 07/720,249 02/18/92
5,088,646 07/621,870 02/18/92
5,088,660 07/649,284 02/18/92
5,088,662 07/448,460 02/18/92
5,088,669 07/685,824 02/18/92
5,088,671 07/710,376 02/18/92
5,088,672 07/636,748 02/18/92
5,088,673 07/590,296 02/18/92
5,088,678 07/557,686 02/18/92
5,088,680 07/667,488 02/18/92
5,088,684 07/628,686 02/18/92
5,088,685 07/650,600 02/18/92
5,088,689 07/450,549 02/18/92
5,088,693 07/501,808 02/18/92
5,088,698 07/433,363 02/18/92
5,088,701 07/647,265 02/18/92
5,088,707 07/565,231 02/18/92
5,088,717 07/559,637 02/18/92
5,088,719 07/579,070 02/18/92
5,088,731 07/605,990 02/18/92
5,088,732 07/653,502 02/18/92
5,088,736 07/642,000 02/18/92
5,088,739 07/577,537 02/18/92
5,088,744 07/544,822 02/18/92
5,088,745 07/608,270 02/18/92
5,088,757 07/578,872 02/18/92
5,088,761 07/522,781 02/18/92
5,088,772 07/538,633 02/18/92
5,088,774 07/519,874 02/18/92
5,088,777 07/638,579 02/18/92
5,088,779 07/573,981 02/18/92
5,088,781 07/638,671 02/18/92
5,088,782 07/661,423 02/18/92
5,088,790 07/526,454 02/18/92
5,088,795 07/520,803 02/18/92
5,088,800 07/568,819 02/18/92
5,088,807 07/359,471 02/18/92
5,088,814 07/603,388 02/18/92
5,088,822 07/580,104 02/18/92
5,088,828 07/468,218 02/18/92
5,088,830 07/402,826 02/18/92
5,088,831 07/536,666 02/18/92
5,088,836 07/508,800 02/18/92
5,088,839 07/702,786 02/18/92
5,088,845 07/485,518 02/18/92
5,088,847 07/571,828 02/18/92
5,088,849 07/561,345 02/18/92
5,088,850 07/621,575 02/18/92
5,088,853 07/638,064 02/18/92
5,088,865 07/661,618 02/18/92
5,088,870 07/447,037 02/18/92
5,088,872 07/416,715 02/18/92
5,088,880 07/621,493 02/18/92
5,088,883 07/519,986 02/18/92
5,088,889 07/253,011 02/18/92
5,088,899 07/611,915 02/18/92
5,088,903 07/680,047 02/18/92
5,088,906 07/650,055 02/18/92
5,088,908 07/495,120 02/18/92
5,088,911 07/468,708 02/18/92
5,088,914 07/522,140 02/18/92
5,088,917 07/531,387 02/18/92
5,088,918 07/650,015 02/18/92
5,088,924 07/576,272 02/18/92
5,088,926 07/627,719 02/18/92
5,088,929 07/714,484 02/18/92
5,088,930 07/616,180 02/18/92
5,088,932 07/619,413 02/18/92
5,088,934 07/657,914 02/18/92
5,088,939 07/531,314 02/18/92
5,088,952 07/711,206 02/18/92
5,088,954 07/646,167 02/18/92
5,088,957 07/586,658 02/18/92
5,088,965 07/690,544 02/18/92
5,088,968 07/505,727 02/18/92
5,088,978 07/471,296 02/18/92
5,088,985 07/561,080 02/18/92
5,088,986 07/619,460 02/18/92
5,088,990 07/400,885 02/18/92
5,088,994 07/436,716 02/18/92
5,088,996 07/052,175 02/18/92
5,089,001 07/433,236 02/18/92
5,089,008 07/629,608 02/18/92
5,089,010 07/532,953 02/18/92
5,089,011 07/541,632 02/18/92
5,089,017 07/298,119 02/18/92
5,089,018 07/264,951 02/18/92
5,089,023 07/497,860 02/18/92
5,089,028 07/564,909 02/18/92
5,089,035 07/457,279 02/18/92
5,089,036 07/587,228 02/18/92
5,089,038 07/714,356 02/18/92
5,089,040 07/315,519 02/18/92
5,089,042 07/511,940 02/18/92
5,089,047 07/632,238 02/18/92
5,089,049 07/482,793 02/18/92
5,089,065 07/396,674 02/18/92
5,089,075 07/515,396 02/18/92
5,089,079 07/531,781 02/18/92
5,089,080 07/488,231 02/18/92
5,089,087 07/409,945 02/18/92
5,089,093 07/481,845 02/18/92
5,089,096 07/575,902 02/18/92
5,089,098 07/639,703 02/18/92
5,089,100 07/563,837 02/18/92
5,089,101 07/701,632 02/18/92
5,089,102 07/729,854 02/18/92
5,089,107 07/555,037 02/18/92
5,089,110 07/559,357 02/18/92
5,089,113 07/670,632 02/18/92
5,089,114 07/439,670 02/18/92
5,089,117 07/561,335 02/18/92
5,089,123 07/408,156 02/18/92
5,089,130 07/617,587 02/18/92
5,089,139 07/536,126 02/18/92
5,089,147 07/694,180 02/18/92
5,089,152 07/688,906 02/18/92
5,089,157 07/670,660 02/18/92
5,089,161 07/570,454 02/18/92
5,089,166 07/420,208 02/18/92
5,089,168 07/352,308 02/18/92
5,089,175 07/480,497 02/18/92
5,089,191 07/562,924 02/18/92
5,089,196 07/684,073 02/18/92
5,089,197 07/617,092 02/18/92
5,089,205 07/411,939 02/18/92
5,089,206 07/525,006 02/18/92
5,089,215 07/507,254 02/18/92
5,089,220 07/606,454 02/18/92
5,089,226 07/316,579 02/18/92
5,089,239 07/509,846 02/18/92
5,089,244 07/587,125 02/18/92
5,089,248 07/523,326 02/18/92
5,089,251 07/469,166 02/18/92
5,089,254 07/638,716 02/18/92
5,089,258 07/646,521 02/18/92
5,089,262 07/538,608 02/18/92
5,089,265 07/427,228 02/18/92
5,089,266 07/419,455 02/18/92
5,089,268 07/642,143 02/18/92
5,089,272 07/330,845 02/18/92
5,089,278 07/360,582 02/18/92
5,089,279 07/649,215 02/18/92
5,089,280 07/063,372 02/18/92
5,089,300 07/559,117 02/18/92
5,089,309 07/437,563 02/18/92
5,089,311 07/448,344 02/18/92
5,089,325 07/651,047 02/18/92
5,089,329 07/130,496 02/18/92
5,089,336 07/393,557 02/18/92
5,089,337 07/436,260 02/18/92
5,089,338 07/583,329 02/18/92
5,089,342 07/653,020 02/18/92
5,089,347 07/382,221 02/18/92
5,089,348 07/375,392 02/18/92
5,089,349 07/361,087 02/18/92
5,089,355 07/360,909 02/18/92
5,089,356 07/583,284 02/18/92
5,089,359 07/510,877 02/18/92
5,089,372 07/439,014 02/18/92
5,089,375 07/443,397 02/18/92
5,089,383 07/278,686 02/18/92
5,089,385 07/521,064 02/18/92
5,089,387 07/216,691 02/18/92
5,089,388 06/833,659 02/18/92
5,089,393 07/176,235 02/18/92
5,089,395 07/222,258 02/18/92
5,089,400 07/320,185 02/18/92
5,089,402 07/484,243 02/18/92
5,089,403 07/361,125 02/18/92
5,089,404 07/261,162 02/18/92
5,089,421 07/502,251 02/18/92
5,089,430 07/509,223 02/18/92
5,089,431 07/585,340 02/18/92
5,089,441 07/509,251 02/18/92
5,089,451 07/545,957 02/18/92
5,089,457 07/637,549 02/18/92
5,089,459 07/500,248 02/18/92
5,089,460 07/665,911 02/18/92
5,089,461 07/578,975 02/18/92
5,089,466 07/216,643 02/18/92
5,089,471 07/103,632 02/18/92
5,089,476 07/161,163 02/18/92
5,089,478 07/259,019 02/18/92
5,089,483 07/468,128 02/18/92
5,089,486 07/558,462 02/18/92
5,089,487 07/528,667 02/18/92
5,089,493 07/610,556 02/18/92
5,089,494 07/675,259 02/18/92
5,089,495 07/463,267 02/18/92
5,089,499 07/450,670 02/18/92
5,089,501 07/574,992 02/18/92
5,089,502 07/564,937 02/18/92
5,089,507 07/412,133 02/18/92
5,089,511 07/467,040 02/18/92
5,089,512 07/513,239 02/18/92
5,089,513 07/378,163 02/18/92
5,089,515 07/606,829 02/18/92
5,089,517 07/562,680 02/18/92
5,089,518 07/570,950 02/18/92
5,089,519 07/543,782 02/18/92
5,089,524 07/546,218 02/18/92
5,089,532 07/329,860 02/18/92
5,089,534 07/498,160 02/18/92
5,089,538 07/381,399 02/18/92
5,089,567 07/654,443 02/18/92
5,089,569 07/611,715 02/18/92
5,089,571 07/623,487 02/18/92
5,089,579 07/448,543 02/18/92
5,089,586 07/394,601 02/18/92
5,089,599 07/589,838 02/18/92
5,089,605 07/025,466 02/18/92
5,089,609 07/621,158 02/18/92
5,089,617 07/120,570 02/18/92
5,089,618 07/560,880 02/18/92
5,089,624 07/417,924 02/18/92
5,089,631 07/621,412 02/18/92
5,089,640 07/250,574 02/18/92
5,089,643 07/694,267 02/18/92
5,089,649 07/661,381 02/18/92
5,089,650 07/091,884 02/18/92
5,089,653 07/680,712 02/18/92
5,089,660 07/146,753 02/18/92
5,089,668 07/437,796 02/18/92
5,089,669 07/552,947 02/18/92
5,089,670 07/571,702 02/18/92
5,089,675 07/500,966 02/18/92
5,089,676 07/523,972 02/18/92
5,089,696 07/532,683 02/18/92
5,089,708 07/597,925 02/18/92
5,089,719 07/587,807 02/18/92
5,089,720 07/542,219 02/18/92
5,089,724 07/620,498 02/18/92
5,089,725 07/604,842 02/18/92
5,089,726 07/620,512 02/18/92
5,089,727 07/502,706 02/18/92
5,089,740 07/505,131 02/18/92
5,089,741 07/555,245 02/18/92
5,089,745 07/559,403 02/18/92
5,089,746 07/311,504 02/18/92
5,089,758 07/548,591 02/18/92
5,089,759 07/631,799 02/18/92
5,089,762 07/481,894 02/18/92
5,089,765 07/556,499 02/18/92
5,089,776 07/580,138 02/18/92
5,089,777 07/533,593 02/18/92
5,089,779 07/581,561 02/18/92
5,089,784 07/499,449 02/18/92
5,089,785 07/386,307 02/18/92
5,089,788 07/593,978 02/18/92
5,089,789 07/524,404 02/18/92
5,089,790 07/575,617 02/18/92
5,089,791 07/620,214 02/18/92
5,089,809 07/623,356 02/18/92
5,089,815 07/462,890 02/18/92
5,089,816 07/421,972 02/18/92
5,089,823 07/620,213 02/18/92
5,089,824 07/336,991 02/18/92
5,089,829 07/561,344 02/18/92
5,089,844 07/449,578 02/18/92
5,089,853 07/516,586 02/18/92
5,089,864 07/580,644 02/18/92
5,089,869 07/564,087 02/18/92
5,089,870 07/534,644 02/18/92
5,089,872 07/515,589 02/18/92
5,089,879 07/667,335 02/18/92
5,089,880 07/362,822 02/18/92
5,089,902 07/629,709 02/18/92
5,089,905 07/246,318 02/18/92
5,089,912 07/589,350 02/18/92
5,089,920 07/435,726 02/18/92
5,089,924 07/452,254 02/18/92
5,089,929 07/491,803 02/18/92
5,089,930 07/684,600 02/18/92
5,089,938 07/690,212 02/18/92
5,089,941 07/579,004 02/18/92
5,089,947 07/546,209 02/18/92
5,089,949 07/572,552 02/18/92
5,089,950 07/397,455 02/18/92
5,089,951 07/266,006 02/18/92
5,089,953 07/563,833 02/18/92
5,089,956 07/277,390 02/18/92
5,089,964 07/466,231 02/18/92
5,089,995 07/620,354 02/18/92
5,090,000 07/330,271 02/18/92
5,090,004 07/549,826 02/18/92
5,090,006 07/716,766 02/18/92
5,090,008 07/516,509 02/18/92
5,090,010 07/514,887 02/18/92
5,090,017 07/359,770 02/18/92
5,090,026 07/405,423 02/18/92
5,090,029 07/345,580 02/18/92
5,090,033 07/600,699 02/18/92
5,090,036 07/553,022 02/18/92
5,090,039 07/163,332 02/18/92
5,090,046 07/439,476 02/18/92
5,090,051 07/671,183 02/18/92
PATENTS WHICH EXPIRED ON February 20, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,491,842 08/265,021 02/20/96
5,491,848 08/321,355 02/20/96
5,491,850 08/308,283 02/20/96
5,491,851 08/189,691 02/20/96
5,491,852 08/278,219 02/20/96
5,491,857 07/932,908 02/20/96
5,491,861 08/269,775 02/20/96
5,491,862 08/356,629 02/20/96
5,491,866 08/147,756 02/20/96
5,491,870 08/192,353 02/20/96
5,491,872 08/402,832 02/20/96
5,491,873 08/220,920 02/20/96
5,491,878 08/256,819 02/20/96
5,491,883 08/358,263 02/20/96
5,491,891 08/383,600 02/20/96
5,491,894 08/309,767 02/20/96
5,491,896 08/169,773 02/20/96
5,491,897 08/280,494 02/20/96
5,491,898 08/345,856 02/20/96
5,491,903 08/376,331 02/20/96
5,491,904 08/426,733 02/20/96
5,491,911 08/374,116 02/20/96
5,491,916 08/209,553 02/20/96
5,491,920 08/306,129 02/20/96
5,491,921 08/346,468 02/20/96
5,491,923 08/188,706 02/20/96
5,491,924 08/349,798 02/20/96
5,491,927 08/320,059 02/20/96
5,491,929 08/321,258 02/20/96
5,491,932 08/322,295 02/20/96
5,491,935 08/224,799 02/20/96
5,491,938 08/272,032 02/20/96
5,491,939 08/318,254 02/20/96
5,491,942 07/760,707 02/20/96
5,491,947 08/222,631 02/20/96
5,491,948 08/171,674 02/20/96
5,491,949 08/231,471 02/20/96
5,491,950 08/326,014 02/20/96
5,491,956 08/166,611 02/20/96
5,491,959 08/313,764 02/20/96
5,491,961 08/180,443 02/20/96
5,491,981 08/304,850 02/20/96
5,491,982 08/330,022 02/20/96
5,491,985 08/359,554 02/20/96
5,491,989 08/363,727 02/20/96
5,491,994 08/061,766 02/20/96
5,492,003 08/344,501 02/20/96
5,492,006 08/396,335 02/20/96
5,492,009 08/153,776 02/20/96
5,492,024 08/199,535 02/20/96
5,492,026 08/146,112 02/20/96
5,492,035 08/367,897 02/20/96
5,492,040 08/257,930 02/20/96
5,492,041 08/223,666 02/20/96
5,492,043 08/182,784 02/20/96
5,492,052 08/334,391 02/20/96
5,492,058 08/200,923 02/20/96
5,492,062 08/436,161 02/20/96
5,492,067 08/287,514 02/20/96
5,492,068 08/217,159 02/20/96
5,492,070 08/152,528 02/20/96
5,492,079 08/270,433 02/20/96
5,492,083 08/295,396 02/20/96
5,492,084 08/221,858 02/20/96
5,492,087 08/239,459 02/20/96
5,492,109 08/147,057 02/20/96
5,492,111 08/079,165 02/20/96
5,492,114 08/293,754 02/20/96
5,492,138 08/336,407 02/20/96
5,492,154 08/181,554 02/20/96
5,492,164 08/264,665 02/20/96
5,492,168 08/324,224 02/20/96
5,492,169 08/320,679 02/20/96
5,492,170 08/269,609 02/20/96
5,492,181 08/323,852 02/20/96
5,492,197 08/196,423 02/20/96
5,492,198 08/178,681 02/20/96
5,492,206 08/403,487 02/20/96
5,492,211 08/303,694 02/20/96
5,492,213 08/258,985 02/20/96
5,492,216 08/208,436 02/20/96
5,492,225 08/285,170 02/20/96
5,492,239 08/349,565 02/20/96
5,492,240 08/196,428 02/20/96
5,492,243 07/919,402 02/20/96
5,492,246 08/304,397 02/20/96
5,492,247 08/253,080 02/20/96
5,492,253 08/410,557 02/20/96
5,492,254 08/231,825 02/20/96
5,492,255 08/057,151 02/20/96
5,492,262 08/240,566 02/20/96
5,492,264 08/125,184 02/20/96
5,492,268 08/151,414 02/20/96
5,492,269 08/233,300 02/20/96
5,492,271 08/122,746 02/20/96
5,492,272 08/342,165 02/20/96
5,492,276 08/229,661 02/20/96
5,492,278 08/115,649 02/20/96
5,492,284 08/226,387 02/20/96
5,492,285 08/358,677 02/20/96
5,492,288 08/383,779 02/20/96
5,492,289 08/247,402 02/20/96
5,492,294 08/114,024 02/20/96
5,492,298 08/340,076 02/20/96
5,492,301 08/292,936 02/20/96
5,492,302 08/016,737 02/20/96
5,492,307 08/225,337 02/20/96
5,492,323 08/341,212 02/20/96
5,492,325 08/420,934 02/20/96
5,492,330 08/368,484 02/20/96
5,492,331 08/321,526 02/20/96
5,492,333 08/427,805 02/20/96
5,492,335 08/393,198 02/20/96
5,492,338 08/348,632 02/20/96
5,492,341 08/083,614 02/20/96
5,492,345 08/296,037 02/20/96
5,492,352 08/176,194 02/20/96
5,492,353 08/097,265 02/20/96
5,492,354 08/089,668 02/20/96
5,492,356 08/149,737 02/20/96
5,492,358 08/346,196 02/20/96
5,492,359 08/265,958 02/20/96
5,492,361 08/377,756 02/20/96
5,492,377 08/261,524 02/20/96
5,492,380 08/364,645 02/20/96
5,492,384 08/431,114 02/20/96
5,492,392 08/431,448 02/20/96
5,492,393 08/306,631 02/20/96
5,492,405 08/211,200 02/20/96
5,492,406 08/211,327 02/20/96
5,492,425 08/272,226 02/20/96
5,492,433 08/297,453 02/20/96
5,492,434 08/234,150 02/20/96
5,492,438 08/262,746 02/20/96
5,492,439 08/456,069 02/20/96
5,492,442 08/201,018 02/20/96
5,492,452 08/175,967 02/20/96
5,492,468 08/351,530 02/20/96
5,492,471 08/216,908 02/20/96
5,492,472 08/272,095 02/20/96
5,492,477 08/191,432 02/20/96
5,492,483 08/391,105 02/20/96
5,492,484 08/296,328 02/20/96
5,492,495 08/391,921 02/20/96
5,492,496 08/231,136 02/20/96
5,492,497 08/306,990 02/20/96
5,492,499 08/305,474 02/20/96
5,492,502 08/359,921 02/20/96
5,492,508 08/308,107 02/20/96
5,492,512 08/328,143 02/20/96
5,492,513 08/199,587 02/20/96
5,492,517 08/330,110 02/20/96
5,492,518 08/301,066 02/20/96
5,492,522 08/189,806 02/20/96
5,492,529 07/809,653 02/20/96
5,492,532 08/290,139 02/20/96
5,492,534 08/246,641 02/20/96
5,492,544 08/265,256 02/20/96
5,492,545 08/290,631 02/20/96
5,492,555 08/257,388 02/20/96
5,492,562 08/385,305 02/20/96
5,492,563 08/421,627 02/20/96
5,492,565 08/154,544 02/20/96
5,492,570 08/270,690 02/20/96
5,492,584 08/239,319 02/20/96
5,492,585 08/262,665 02/20/96
5,492,593 08/259,978 02/20/96
5,492,601 08/282,924 02/20/96
5,492,608 08/403,605 02/20/96
5,492,616 08/304,890 02/20/96
5,492,620 08/207,968 02/20/96
5,492,621 08/216,145 02/20/96
5,492,622 08/359,406 02/20/96
5,492,627 08/268,286 02/20/96
5,492,628 08/319,000 02/20/96
5,492,629 08/134,044 02/20/96
5,492,630 08/342,644 02/20/96
5,492,633 08/411,071 02/20/96
5,492,636 08/309,497 02/20/96
5,492,650 07/992,582 02/20/96
5,492,651 08/099,673 02/20/96
5,492,652 08/404,018 02/20/96
5,492,656 08/270,759 02/20/96
5,492,661 08/358,772 02/20/96
5,492,672 08/279,688 02/20/96
5,492,675 08/300,454 02/20/96
5,492,680 08/285,676 02/20/96
5,492,684 08/335,027 02/20/96
5,492,693 08/396,669 02/20/96
5,492,701 08/272,337 02/20/96
5,492,703 08/298,527 02/20/96
5,492,712 08/246,963 02/20/96
5,492,720 08/417,874 02/20/96
5,492,725 08/344,458 02/20/96
5,492,739 08/259,551 02/20/96
5,492,748 07/690,999 02/20/96
5,492,749 08/286,575 02/20/96
5,492,752 08/083,903 02/20/96
5,492,779 08/327,956 02/20/96
5,492,797 08/279,213 02/20/96
5,492,845 08/181,090 02/20/96
5,492,858 08/230,180 02/20/96
5,492,870 08/227,367 02/20/96
5,492,871 08/199,769 02/20/96
5,492,880 08/259,737 02/20/96
5,492,892 08/243,728 02/20/96
5,492,894 08/082,847 02/20/96
5,492,896 08/196,939 02/20/96
5,492,903 08/112,072 02/20/96
5,492,912 08/278,396 02/20/96
5,492,915 08/318,919 02/20/96
5,492,917 08/128,937 02/20/96
5,492,918 08/251,986 02/20/96
5,492,919 08/190,135 02/20/96
5,492,923 08/235,831 02/20/96
5,492,930 08/232,560 02/20/96
5,492,954 08/341,719 02/20/96
5,492,969 08/339,099 02/20/96
5,492,973 08/454,764 02/20/96
5,492,974 08/455,380 02/20/96
5,492,975 08/455,382 02/20/96
5,492,979 08/222,761 02/20/96
5,492,986 08/221,247 02/20/96
5,492,989 07/851,709 02/20/96
5,492,990 08/293,740 02/20/96
5,492,991 08/452,027 02/20/96
5,492,998 08/375,854 02/20/96
5,493,000 08/109,954 02/20/96
5,493,022 08/303,057 02/20/96
5,493,025 08/281,372 02/20/96
5,493,027 08/006,918 02/20/96
5,493,049 08/247,824 02/20/96
5,493,054 08/313,402 02/20/96
5,493,055 08/418,078 02/20/96
5,493,056 08/171,174 02/20/96
5,493,063 08/345,463 02/20/96
5,493,072 08/260,301 02/20/96
5,493,099 08/365,572 02/20/96
5,493,105 08/229,816 02/20/96
5,493,114 08/377,904 02/20/96
5,493,122 08/192,001 02/20/96
5,493,136 08/197,597 02/20/96
5,493,162 08/030,353 02/20/96
5,493,168 08/051,047 02/20/96
5,493,170 08/303,993 02/20/96
5,493,171 08/321,037 02/20/96
5,493,175 08/129,139 02/20/96
5,493,178 08/146,310 02/20/96
5,493,204 08/285,840 02/20/96
5,493,206 08/122,470 02/20/96
5,493,221 08/072,465 02/20/96
5,493,222 08/056,881 02/20/96
5,493,231 08/319,872 02/20/96
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