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 January 26, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
4,720,874 06/758,206 01/26/88
4,720,879 07/044,159 01/26/88
4,720,884 07/009,143 01/26/88
4,720,899 06/877,641 01/26/88
4,720,906 06/779,099 01/26/88
4,720,907 06/935,392 01/26/88
4,720,908 06/630,471 01/26/88
4,720,917 06/947,352 01/26/88
4,720,923 06/852,265 01/26/88
4,720,925 06/945,018 01/26/88
4,720,926 06/913,700 01/26/88
4,720,927 06/937,385 01/26/88
4,720,940 06/934,007 01/26/88
4,720,957 06/797,029 01/26/88
4,720,959 06/928,574 01/26/88
4,720,966 06/439,320 01/26/88
4,720,967 07/005,687 01/26/88
4,720,980 07/021,851 01/26/88
4,720,985 07/054,896 01/26/88
4,720,994 06/891,371 01/26/88
4,720,995 06/849,662 01/26/88
4,720,997 06/936,701 01/26/88
4,721,000 06/909,271 01/26/88
4,721,002 06/797,544 01/26/88
4,721,004 07/004,013 01/26/88
4,721,005 06/870,999 01/26/88
4,721,011 06/903,241 01/26/88
4,721,016 06/633,871 01/26/88
4,721,018 06/820,178 01/26/88
4,721,027 06/321,444 01/26/88
4,721,034 06/942,342 01/26/88
4,721,041 06/910,491 01/26/88
4,721,045 06/708,586 01/26/88
4,721,049 07/033,032 01/26/88
4,721,051 06/812,130 01/26/88
4,721,055 06/781,271 01/26/88
4,721,060 06/887,572 01/26/88
4,721,074 06/941,015 01/26/88
4,721,076 06/930,767 01/26/88
4,721,082 07/006,042 01/26/88
4,721,090 06/869,435 01/26/88
4,721,093 06/879,687 01/26/88
4,721,097 06/925,603 01/26/88
4,721,119 06/938,262 01/26/88
4,721,125 06/943,997 01/26/88
4,721,137 06/916,332 01/26/88
4,721,138 06/925,589 01/26/88
4,721,139 07/072,394 01/26/88
4,721,143 06/816,582 01/26/88
4,721,144 06/721,726 01/26/88
4,721,147 06/677,512 01/26/88
4,721,150 06/878,972 01/26/88
4,721,169 06/862,947 01/26/88
4,721,178 06/894,246 01/26/88
4,721,179 06/919,160 01/26/88
4,721,183 07/037,426 01/26/88
4,721,201 06/898,091 01/26/88
4,721,206 06/924,102 01/26/88
4,721,240 06/881,343 01/26/88
4,721,242 06/866,883 01/26/88
4,721,252 06/863,088 01/26/88
4,721,253 06/784,062 01/26/88
4,721,256 06/852,309 01/26/88
4,721,257 06/937,975 01/26/88
4,721,262 07/061,603 01/26/88
4,721,274 06/768,407 01/26/88
4,721,277 06/825,973 01/26/88
4,721,280 06/811,838 01/26/88
4,721,291 06/882,140 01/26/88
4,721,294 06/756,780 01/26/88
4,721,295 06/895,777 01/26/88
4,721,297 06/844,666 01/26/88
4,721,302 06/852,646 01/26/88
4,721,312 06/820,936 01/26/88
4,721,314 07/028,836 01/26/88
4,721,317 06/847,637 01/26/88
4,721,330 06/798,854 01/26/88
4,721,345 06/881,696 01/26/88
4,721,348 07/015,612 01/26/88
4,721,359 06/741,581 01/26/88
4,721,360 06/262,877 01/26/88
4,721,363 06/918,107 01/26/88
4,721,387 06/927,784 01/26/88
4,721,393 06/944,520 01/26/88
4,721,395 06/916,543 01/26/88
4,721,396 06/833,986 01/26/88
4,721,404 07/009,542 01/26/88
4,721,406 06/877,275 01/26/88
4,721,407 06/888,346 01/26/88
4,721,410 06/696,188 01/26/88
4,721,411 07/010,298 01/26/88
4,721,413 06/311,230 01/26/88
4,721,414 06/837,633 01/26/88
4,721,422 06/899,152 01/26/88
4,721,424 06/880,460 01/26/88
4,721,427 07/048,868 01/26/88
4,721,431 06/787,799 01/26/88
4,721,435 06/857,666 01/26/88
4,721,442 06/848,960 01/26/88
4,721,453 06/836,654 01/26/88
4,721,454 06/272,442 01/26/88
4,721,458 06/932,503 01/26/88
4,721,464 06/745,481 01/26/88
4,721,468 06/708,797 01/26/88
4,721,479 06/920,696 01/26/88
4,721,480 06/761,159 01/26/88
4,721,491 06/941,616 01/26/88
4,721,492 07/008,085 01/26/88
4,721,501 06/904,444 01/26/88
4,721,502 06/904,441 01/26/88
4,721,504 06/835,956 01/26/88
4,721,515 06/932,121 01/26/88
4,721,516 06/829,027 01/26/88
4,721,517 07/023,116 01/26/88
4,721,526 06/895,977 01/26/88
4,721,535 06/892,286 01/26/88
4,721,544 06/855,581 01/26/88
4,721,547 06/877,522 01/26/88
4,721,553 06/769,505 01/26/88
4,721,578 06/915,415 01/26/88
4,721,584 06/931,100 01/26/88
4,721,592 07/002,979 01/26/88
4,721,602 06/872,054 01/26/88
4,721,604 06/897,107 01/26/88
4,721,606 06/640,241 01/26/88
4,721,610 06/798,887 01/26/88
4,721,621 06/667,561 01/26/88
4,721,622 06/736,317 01/26/88
4,721,625 06/936,922 01/26/88
4,721,630 06/890,583 01/26/88
4,721,632 06/900,469 01/26/88
4,721,637 06/826,698 01/26/88
4,721,644 06/909,642 01/26/88
4,721,652 06/821,082 01/26/88
4,721,653 06/911,452 01/26/88
4,721,657 06/858,835 01/26/88
4,721,659 06/796,686 01/26/88
4,721,671 06/686,344 01/26/88
4,721,676 06/791,680 01/26/88
4,721,678 06/842,921 01/26/88
4,721,679 06/922,207 01/26/88
4,721,685 06/853,792 01/26/88
4,721,691 06/658,820 01/26/88
4,721,696 07/024,506 01/26/88
4,721,711 06/783,686 01/26/88
4,721,714 06/878,602 01/26/88
4,721,718 06/897,687 01/26/88
4,721,722 06/754,815 01/26/88
4,721,726 06/890,667 01/26/88
4,721,731 06/904,594 01/26/88
4,721,732 06/858,484 01/26/88
4,721,733 07/023,499 01/26/88
4,721,736 07/044,879 01/26/88
4,721,741 06/913,978 01/26/88
4,721,742 06/928,485 01/26/88
4,721,751 07/030,309 01/26/88
4,721,753 06/850,439 01/26/88
4,721,755 06/899,082 01/26/88
4,721,759 07/006,229 01/26/88
4,721,765 07/030,693 01/26/88
4,721,771 06/790,030 01/26/88
4,721,774 07/027,796 01/26/88
4,721,790 06/671,101 01/26/88
4,721,792 06/825,559 01/26/88
4,721,797 06/903,626 01/26/88
4,721,800 06/778,185 01/26/88
4,721,803 06/792,375 01/26/88
4,721,813 06/900,214 01/26/88
4,721,815 06/944,516 01/26/88
4,721,828 06/666,694 01/26/88
4,721,833 06/798,732 01/26/88
4,721,841 06/905,761 01/26/88
4,721,845 06/905,459 01/26/88
4,721,847 06/817,020 01/26/88
4,721,854 06/877,166 01/26/88
4,721,866 06/800,644 01/26/88
4,721,871 06/917,222 01/26/88
4,721,878 06/870,530 01/26/88
4,721,897 07/005,646 01/26/88
4,721,916 06/833,604 01/26/88
4,721,923 07/000,923 01/26/88
4,721,925 06/932,851 01/26/88
4,721,932 07/019,399 01/26/88
4,721,940 06/908,409 01/26/88
4,721,943 06/786,447 01/26/88
4,721,944 06/887,855 01/26/88
4,721,947 06/839,874 01/26/88
4,721,950 06/944,587 01/26/88
4,721,954 06/811,962 01/26/88
4,721,956 06/872,626 01/26/88
4,721,957 06/617,689 01/26/88
4,721,959 06/679,379 01/26/88
4,721,965 06/821,437 01/26/88
4,721,969 06/861,093 01/26/88
4,721,970 06/881,046 01/26/88
4,721,973 07/002,470 01/26/88
4,721,985 06/750,478 01/26/88
4,721,993 06/824,894 01/26/88
4,721,995 06/784,439 01/26/88
4,722,004 06/934,738 01/26/88
4,722,010 06/856,174 01/26/88
4,722,012 07/047,038 01/26/88
4,722,014 06/833,232 01/26/88
4,722,016 06/649,730 01/26/88
4,722,026 06/898,083 01/26/88
4,722,027 06/893,141 01/26/88
4,722,034 06/940,954 01/26/88
4,722,036 07/013,810 01/26/88
4,722,045 06/694,382 01/26/88
4,722,046 06/920,803 01/26/88
4,722,047 06/770,459 01/26/88
4,722,065 06/715,016 01/26/88
4,722,074 06/774,358 01/26/88
4,722,078 06/780,797 01/26/88
4,722,086 06/784,621 01/26/88
4,722,094 06/809,378 01/26/88
PATENTS WHICH EXPIRED ON January 21, 2000
DUE TO FAILURE TOPAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,081,717 07/601,353 01/21/92
5,081,724 07/524,940 01/21/92
5,081,726 07/325,246 01/21/92
5,081,727 07/739,508 01/21/92
5,081,729 07/690,289 01/21/92
5,081,739 07/720,631 01/21/92
5,081,744 07/610,007 01/21/92
5,081,745 07/605,825 01/21/92
5,081,750 07/574,262 01/21/92
5,081,752 07/499,371 01/21/92
5,081,753 07/532,472 01/21/92
5,081,763 07/358,429 01/21/92
5,081,765 07/633,996 01/21/92
5,081,767 07/536,903 01/21/92
5,081,774 07/511,864 01/21/92
5,081,780 07/627,595 01/21/92
5,081,782 07/569,842 01/21/92
5,081,784 07/484,990 01/21/92
5,081,786 07/586,580 01/21/92
5,081,801 07/657,268 01/21/92
5,081,805 07/558,858 01/21/92
5,081,811 07/662,080 01/21/92
5,081,814 07/601,894 01/21/92
5,081,815 07/553,233 01/21/92
5,081,816 07/708,910 01/21/92
5,081,820 07/442,470 01/21/92
5,081,826 07/562,857 01/21/92
5,081,827 07/600,664 01/21/92
5,081,829 07/660,721 01/21/92
5,081,832 07/724,476 01/21/92
5,081,839 07/471,565 01/21/92
5,081,843 07/423,749 01/21/92
5,081,846 07/586,130 01/21/92
5,081,849 07/522,180 01/21/92
5,081,852 07/656,000 01/21/92
5,081,853 07/671,025 01/21/92
5,081,858 07/717,028 01/21/92
5,081,861 07/474,097 01/21/92
5,081,862 07/491,810 01/21/92
5,081,864 07/392,777 01/21/92
5,081,876 07/161,552 01/21/92
5,081,877 07/561,527 01/21/92
5,081,878 07/491,960 01/21/92
5,081,885 07/458,149 01/21/92
5,081,892 07/554,740 01/21/92
5,081,893 07/554,695 01/21/92
5,081,899 07/581,313 01/21/92
5,081,909 07/554,058 01/21/92
5,081,915 07/474,153 01/21/92
5,081,916 07/423,465 01/21/92
5,081,917 07/446,039 01/21/92
5,081,919 07/373,756 01/21/92
5,081,920 07/534,740 01/21/92
5,081,936 07/440,870 01/21/92
5,081,937 07/560,110 01/21/92
5,081,945 07/368,330 01/21/92
5,081,946 07/580,481 01/21/92
5,081,949 07/639,273 01/21/92
5,081,952 07/593,850 01/21/92
5,081,961 07/387,897 01/21/92
5,081,962 07/677,566 01/21/92
5,081,964 07/736,778 01/21/92
5,081,980 07/595,391 01/21/92
5,081,985 07/478,299 01/21/92
5,081,986 07/578,802 01/21/92
5,081,989 07/515,163 01/21/92
5,082,001 07/520,527 01/21/92
5,082,002 07/357,463 01/21/92
5,082,003 07/461,180 01/21/92
5,082,005 07/629,148 01/21/92
5,082,006 07/469,533 01/21/92
5,082,009 07/398,943 01/21/92
5,082,018 07/653,355 01/21/92
5,082,024 07/577,261 01/21/92
5,082,026 07/015,157 01/21/92
5,082,028 07/400,541 01/21/92
5,082,034 07/547,989 01/21/92
5,082,037 07/680,430 01/21/92
5,082,039 07/344,223 01/21/92
5,082,045 07/711,130 01/21/92
5,082,055 07/636,777 01/21/92
5,082,059 07/601,269 01/21/92
5,082,060 07/464,809 01/21/92
5,082,073 07/605,415 01/21/92
5,082,074 07/568,421 01/21/92
5,082,077 07/594,903 01/21/92
5,082,081 07/679,131 01/21/92
5,082,087 07/653,136 01/21/92
5,082,088 07/588,593 01/21/92
5,082,091 07/589,875 01/21/92
5,082,092 07/512,181 01/21/92
5,082,094 07/536,781 01/21/92
5,082,103 07/123,620 01/21/92
5,082,104 07/546,171 01/21/92
5,082,105 07/552,433 01/21/92
5,082,107 07/575,408 01/21/92
5,082,108 07/382,534 01/21/92
5,082,120 07/193,798 01/21/92
5,082,142 07/389,640 01/21/92
5,082,149 07/578,296 01/21/92
5,082,150 07/517,244 01/21/92
5,082,158 07/540,879 01/21/92
5,082,165 07/504,008 01/21/92
5,082,178 07/593,767 01/21/92
5,082,181 07/452,008 01/21/92
5,082,196 07/582,436 01/21/92
5,082,198 07/478,549 01/21/92
5,082,212 07/691,345 01/21/92
5,082,215 07/481,571 01/21/92
5,082,219 07/465,114 01/21/92
5,082,226 07/563,862 01/21/92
5,082,229 07/547,865 01/21/92
5,082,232 07/489,049 01/21/92
5,082,234 07/528,243 01/21/92
5,082,246 07/667,300 01/21/92
5,082,248 07/408,114 01/21/92
5,082,251 07/501,490 01/21/92
5,082,259 07/577,553 01/21/92
5,082,261 07/270,782 01/21/92
5,082,262 07/729,616 01/21/92
5,082,265 07/725,274 01/21/92
5,082,267 07/445,539 01/21/92
5,082,271 07/592,238 01/21/92
5,082,278 07/507,775 01/21/92
5,082,282 07/636,656 01/21/92
5,082,285 07/605,413 01/21/92
5,082,287 07/561,260 01/21/92
5,082,288 07/710,511 01/21/92
5,082,289 07/608,711 01/21/92
5,082,294 07/585,321 01/21/92
5,082,295 07/619,142 01/21/92
5,082,301 07/601,226 01/21/92
5,082,302 07/685,967 01/21/92
5,082,303 07/579,361 01/21/92
5,082,306 07/586,211 01/21/92
5,082,312 07/536,189 01/21/92
5,082,314 07/419,240 01/21/92
5,082,318 07/604,727 01/21/92
5,082,324 07/685,913 01/21/92
5,082,326 07/514,000 01/21/92
5,082,332 07/541,117 01/21/92
5,082,339 07/377,405 01/21/92
5,082,364 07/576,612 01/21/92
5,082,369 07/397,825 01/21/92
5,082,371 07/458,285 01/21/92
5,082,392 07/675,680 01/21/92
5,082,395 07/613,590 01/21/92
5,082,407 07/510,163 01/21/92
5,082,410 07/525,109 01/21/92
5,082,413 07/486,058 01/21/92
5,082,415 07/389,898 01/21/92
5,082,418 07/498,799 01/21/92
5,082,420 07/519,797 01/21/92
5,082,423 07/549,952 01/21/92
5,082,432 07/531,691 01/21/92
5,082,436 07/629,003 01/21/92
5,082,438 07/437,669 01/21/92
5,082,461 07/606,008 01/21/92
5,082,467 07/645,821 01/21/92
5,082,468 07/580,364 01/21/92
5,082,471 07/597,714 01/21/92
5,082,478 07/593,097 01/21/92
5,082,493 07/691,792 01/21/92
5,082,494 07/280,019 01/21/92
5,082,499 07/458,074 01/21/92
5,082,503 07/601,229 01/21/92
5,082,514 07/514,872 01/21/92
5,082,515 07/617,734 01/21/92
5,082,518 07/604,510 01/21/92
5,082,521 07/628,246 01/21/92
5,082,527 07/323,457 01/21/92
5,082,530 07/633,681 01/21/92
5,082,534 07/494,256 01/21/92
5,082,538 07/638,938 01/21/92
5,082,549 07/618,995 01/21/92
5,082,550 07/448,475 01/21/92
5,082,553 07/629,143 01/21/92
5,082,562 07/566,948 01/21/92
5,082,567 07/610,626 01/21/92
5,082,570 07/633,029 01/21/92
5,082,572 07/577,365 01/21/92
5,082,575 07/497,422 01/21/92
5,082,582 07/607,698 01/21/92
5,082,584 07/085,902 01/21/92
5,082,590 07/280,881 01/21/92
5,082,597 07/411,666 01/21/92
5,082,599 07/494,308 01/21/92
5,082,602 06/898,214 01/21/92
5,082,604 07/615,251 01/21/92
5,082,606 07/483,182 01/21/92
5,082,607 07/550,480 01/21/92
5,082,610 07/425,403 01/21/92
5,082,616 07/603,814 01/21/92
5,082,617 07/578,118 01/21/92
5,082,620 07/699,428 01/21/92
5,082,630 07/516,590 01/21/92
5,082,637 07/608,447 01/21/92
5,082,640 07/749,388 01/21/92
5,082,646 07/556,856 01/21/92
5,082,650 07/404,228 01/21/92
5,082,652 07/408,906 01/21/92
5,082,654 07/423,378 01/21/92
5,082,656 07/444,491 01/21/92
5,082,659 07/527,519 01/21/92
5,082,666 07/441,185 01/21/92
5,082,672 07/369,587 01/21/92
5,082,674 07/585,855 01/21/92
5,082,675 07/557,398 01/21/92
5,082,681 07/576,508 01/21/92
5,082,682 07/611,233 01/21/92
5,082,683 07/562,109 01/21/92
5,082,684 07/475,576 01/21/92
5,082,687 07/462,364 01/21/92
5,082,689 07/571,229 01/21/92
5,082,693 07/598,371 01/21/92
5,082,694 07/503,882 01/21/92
5,082,696 07/140,191 01/21/92
5,082,700 07/429,210 01/21/92
5,082,701 07/130,854 01/21/92
5,082,702 07/569,825 01/21/92
5,082,704 07/348,400 01/21/92
5,082,713 07/557,422 01/21/92
5,082,717 07/443,937 01/21/92
5,082,718 07/556,488 01/21/92
5,082,726 07/430,537 01/21/92
5,082,727 07/455,158 01/21/92
5,082,735 07/519,200 01/21/92
5,082,739 07/184,729 01/21/92
5,082,740 07/499,849 01/21/92
5,082,742 07/589,805 01/21/92
5,082,748 07/459,152 01/21/92
5,082,752 07/615,013 01/21/92
5,082,757 07/575,747 01/21/92
5,082,758 07/575,691 01/21/92
5,082,770 07/176,885 01/21/92
5,082,772 07/261,437 01/21/92
5,082,779 07/082,243 01/21/92
5,082,788 07/396,684 01/21/92
5,082,792 07/568,269 01/21/92
5,082,794 07/569,097 01/21/92
5,082,802 07/585,583 01/21/92
5,082,807 07/414,191 01/21/92
5,082,813 07/294,160 01/21/92
5,082,823 07/509,220 01/21/92
5,082,826 07/561,750 01/21/92
5,082,829 07/301,222 01/21/92
5,082,841 07/564,218 01/21/92
5,082,850 07/571,313 01/21/92
5,082,854 07/579,458 01/21/92
5,082,867 07/413,701 01/21/92
5,082,868 07/383,815 01/21/92
5,082,872 07/119,599 01/21/92
5,082,882 07/443,545 01/21/92
5,082,884 07/482,987 01/21/92
5,082,888 07/416,355 01/21/92
5,082,890 07/570,483 01/21/92
5,082,892 07/485,222 01/21/92
5,082,894 07/495,823 01/21/92
5,082,905 07/696,492 01/21/92
5,082,908 07/363,654 01/21/92
5,082,910 07/401,682 01/21/92
5,082,912 07/639,336 01/21/92
5,082,915 07/452,445 01/21/92
5,082,918 07/575,721 01/21/92
5,082,921 07/573,607 01/21/92
5,082,926 07/450,419 01/21/92
5,082,929 07/564,908 01/21/92
5,082,931 07/396,275 01/21/92
5,082,943 07/658,424 01/21/92
5,082,947 07/541,178 01/21/92
5,082,955 07/625,552 01/21/92
5,082,957 07/437,660 01/21/92
5,082,958 07/467,868 01/21/92
5,082,959 07/578,892 01/21/92
5,082,964 06/872,677 01/21/92
5,082,965 07/604,985 01/21/92
5,082,967 07/478,298 01/21/92
5,082,972 07/551,086 01/21/92
5,082,976 07/603,110 01/21/92
5,082,977 07/649,377 01/21/92
5,082,980 07/537,312 01/21/92
5,082,984 07/664,243 01/21/92
5,082,987 07/597,932 01/21/92
5,082,988 07/376,972 01/21/92
5,082,995 07/456,819 01/21/92
5,083,004 07/349,205 01/21/92
5,083,005 07/552,092 01/21/92
5,083,011 07/618,486 01/21/92
5,083,017 07/444,795 01/21/92
5,083,020 07/053,368 01/21/92
5,083,029 07/650,370 01/21/92
5,083,036 07/641,180 01/21/92
5,083,038 07/642,341 01/21/92
5,083,050 07/620,035 01/21/92
5,083,051 07/484,955 01/21/92
5,083,053 07/558,497 01/21/92
5,083,056 07/480,007 01/21/92
5,083,065 07/599,929 01/21/92
5,083,073 07/585,546 01/21/92
5,083,080 07/544,119 01/21/92
5,083,087 07/554,130 01/21/92
5,083,097 07/405,701 01/21/92
5,083,102 07/403,165 01/21/92
5,083,108 07/656,737 01/21/92
5,083,109 07/547,964 01/21/92
5,083,113 07/472,699 01/21/92
5,083,123 07/598,830 01/21/92
5,083,124 07/511,538 01/21/92
5,083,128 06/855,220 01/21/92
5,083,136 07/437,650 01/21/92
5,083,151 07/693,609 01/21/92
5,083,159 07/707,512 01/21/92
5,083,171 07/534,320 01/21/92
5,083,175 07/586,462 01/21/92
5,083,188 07/618,024 01/21/92
5,083,190 07/628,821 01/21/92
5,083,192 07/516,470 01/21/92
5,083,231 07/565,693 01/21/92
5,083,235 07/597,959 01/21/92
5,083,236 07/589,954 01/21/92
5,083,237 07/576,789 01/21/92
5,083,239 07/527,429 01/21/92
5,083,242 07/656,586 01/21/92
5,083,243 07/572,970 01/21/92
5,083,253 07/439,401 01/21/92
5,083,254 07/591,135 01/21/92
5,083,257 07/617,488 01/21/92
5,083,259 07/698,255 01/21/92
5,083,262 07/590,327 01/21/92
5,083,274 07/486,137 01/21/92
5,083,286 07/413,303 01/21/92
5,083,288 07/630,803 01/21/92
5,083,290 07/722,401 01/21/92
5,083,292 07/490,920 01/21/92
5,083,296 07/568,166 01/21/92
5,083,297 07/543,996 01/21/92
5,083,298 07/590,310 01/21/92
5,083,300 07/727,706 01/21/92
5,083,308 07/502,213 01/21/92
PATENTS WHICH EXPRED ON January 23, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,485,636 08/363,926 01/23/96
5,485,637 08/272,029 01/23/96
5,485,642 08/406,122 01/23/96
5,485,645 08/270,906 01/23/96
5,485,647 08/329,285 01/23/96
5,485,649 07/494,307 01/23/96
5,485,654 08/340,499 01/23/96
5,485,657 08/240,995 01/23/96
5,485,664 08/402,462 01/23/96
5,485,665 08/185,842 01/23/96
5,485,666 08/149,476 01/23/96
5,485,669 08/426,295 01/23/96
5,485,672 08/081,494 01/23/96
5,485,676 08/287,930 01/23/96
5,485,677 08/307,182 01/23/96
5,485,678 08/290,333 01/23/96
5,485,679 07/780,739 01/23/96
5,485,682 08/350,888 01/23/96
5,485,683 08/207,213 01/23/96
5,485,687 08/218,431 01/23/96
5,485,688 08/158,534 01/23/96
5,485,693 08/215,901 01/23/96
5,485,694 08/376,083 01/23/96
5,485,696 08/205,176 01/23/96
5,485,700 08/314,316 01/23/96
5,485,701 08/300,759 01/23/96
5,485,711 08/293,249 01/23/96
5,485,714 08/395,056 01/23/96
5,485,715 08/338,035 01/23/96
5,485,721 08/268,807 01/23/96
5,485,725 08/018,946 01/23/96
5,485,729 08/354,983 01/23/96
5,485,732 08/181,489 01/23/96
5,485,733 08/060,645 01/23/96
5,485,742 08/296,316 01/23/96
5,485,751 08/081,615 01/23/96
5,485,755 08/177,382 01/23/96
5,485,762 08/263,510 01/23/96
5,485,770 08/408,569 01/23/96
5,485,775 08/357,699 01/23/96
5,485,779 08/398,682 01/23/96
5,485,783 08/257,343 01/23/96
5,485,786 08/433,858 01/23/96
5,485,790 08/408,113 01/23/96
5,485,792 08/499,680 01/23/96
5,485,793 08/175,288 01/23/96
5,485,795 08/412,947 01/23/96
5,485,796 08/215,912 01/23/96
5,485,805 08/180,971 01/23/96
5,485,808 08/022,993 01/23/96
5,485,809 08/239,114 01/23/96
5,485,816 08/312,873 01/23/96
5,485,819 08/285,425 01/23/96
5,485,832 08/205,209 01/23/96
5,485,834 08/289,022 01/23/96
5,485,841 08/388,302 01/23/96
5,485,853 08/233,413 01/23/96
5,485,855 08/209,409 01/23/96
5,485,856 08/231,235 01/23/96
5,485,858 08/187,303 01/23/96
5,485,859 08/314,809 01/23/96
5,485,860 07/952,644 01/23/96
5,485,874 08/229,163 01/23/96
5,485,876 08/083,832 01/23/96
5,485,881 08/237,893 01/23/96
5,485,882 08/329,937 01/23/96
5,485,883 08/423,024 01/23/96
5,485,886 08/164,153 01/23/96
5,485,903 08/243,802 01/23/96
5,485,914 08/336,010 01/23/96
5,485,916 08/199,517 01/23/96
5,485,921 08/125,119 01/23/96
5,485,926 08/234,185 01/23/96
5,485,928 08/159,520 01/23/96
5,485,931 08/141,774 01/23/96
5,485,938 08/410,059 01/23/96
5,485,939 08/336,836 01/23/96
5,485,946 08/237,206 01/23/96
5,485,951 08/416,197 01/23/96
5,485,966 08/237,455 01/23/96
5,485,972 08/155,057 01/23/96
5,485,974 08/256,421 01/23/96
5,485,976 08/180,566 01/23/96
5,485,986 08/193,184 01/23/96
5,485,988 08/251,085 01/23/96
5,485,989 08/288,106 01/23/96
5,485,993 08/236,519 01/23/96
5,485,996 08/323,011 01/23/96
5,485,997 08/323,892 01/23/96
5,486,004 08/209,422 01/23/96
5,486,009 08/418,774 01/23/96
5,486,011 08/252,915 01/23/96
5,486,012 08/260,374 01/23/96
5,486,014 08/207,928 01/23/96
5,486,017 08/381,652 01/23/96
5,486,021 08/276,262 01/23/96
5,486,027 08/278,321 01/23/96
5,486,033 08/316,858 01/23/96
5,486,037 08/334,520 01/23/96
5,486,039 08/090,956 01/23/96
5,486,052 08/317,798 01/23/96
5,486,053 08/032,809 01/23/96
5,486,066 08/244,103 01/23/96
5,486,085 08/084,585 01/23/96
5,486,098 08/173,506 01/23/96
5,486,100 08/242,413 01/23/96
5,486,103 08/239,501 01/23/96
5,486,110 08/319,664 01/23/96
5,486,112 08/159,194 01/23/96
5,486,120 08/106,276 01/23/96
5,486,130 08/301,359 01/23/96
5,486,135 08/332,141 01/23/96
5,486,138 08/277,963 01/23/96
5,486,143 07/928,450 01/23/96
5,486,149 08/246,310 01/23/96
5,486,156 08/192,621 01/23/96
5,486,164 08/057,514 01/23/96
5,486,186 08/195,491 01/23/96
5,486,192 08/253,720 01/23/96
5,486,193 08/432,971 01/23/96
5,486,227 08/352,256 01/23/96
5,486,230 08/351,466 01/23/96
5,486,241 08/240,782 01/23/96
5,486,245 08/257,613 01/23/96
5,486,270 08/205,575 01/23/96
5,486,297 08/259,724 01/23/96
5,486,301 08/440,398 01/23/96
5,486,307 08/336,935 01/23/96
5,486,319 08/174,819 01/23/96
5,486,321 08/415,144 01/23/96
5,486,322 08/129,111 01/23/96
5,486,326 08/443,137 01/23/96
5,486,343 08/232,891 01/23/96
5,486,353 08/313,001 01/23/96
5,486,362 08/140,280 01/23/96
5,486,371 08/311,949 01/23/96
5,486,374 08/329,551 01/23/96
5,486,375 08/268,804 01/23/96
5,486,391 08/270,730 01/23/96
5,486,392 08/270,480 01/23/96
5,486,408 08/310,571 01/23/96
5,486,413 08/282,687 01/23/96
5,486,424 08/191,701 01/23/96
5,486,438 08/262,271 01/23/96
5,486,441 08/429,610 01/23/96
5,486,451 08/285,938 01/23/96
5,486,463 08/041,648 01/23/96
5,486,468 08/292,147 01/23/96
5,486,475 08/195,884 01/23/96
5,486,484 08/255,023 01/23/96
5,486,490 08/298,968 01/23/96
5,486,499 08/140,007 01/23/96
5,486,502 08/356,523 01/23/96
5,486,506 08/281,767 01/23/96
5,486,509 08/250,646 01/23/96
5,486,511 08/231,434 01/23/96
5,486,512 08/214,911 01/23/96
5,486,514 08/256,358 01/23/96
5,486,516 08/166,268 01/23/96
5,486,525 08/347,528 01/23/96
5,486,528 08/226,089 01/23/96
5,486,533 08/443,632 01/23/96
5,486,535 08/117,414 01/23/96
5,486,536 08/289,585 01/23/96
5,486,538 08/298,419 01/23/96
5,486,539 08/204,121 01/23/96
5,486,546 08/162,053 01/23/96
5,486,559 08/289,044 01/23/96
5,486,577 08/407,930 01/23/96
5,486,586 08/440,119 01/23/96
5,486,591 08/407,183 01/23/96
5,486,592 08/256,899 01/23/96
5,486,596 08/111,815 01/23/96
5,486,609 08/409,713 01/23/96
5,486,610 08/214,932 01/23/96
5,486,622 08/417,250 01/23/96
5,486,627 08/348,639 01/23/96
5,486,661 08/274,086 01/23/96
5,486,663 08/325,739 01/23/96
5,486,671 08/310,068 01/23/96
5,486,678 08/204,039 01/23/96
5,486,680 08/179,522 01/23/96
5,486,685 08/344,276 01/23/96
5,486,687 08/312,647 01/23/96
5,486,702 08/125,117 01/23/96
5,486,721 08/221,175 01/23/96
5,486,734 08/382,829 01/23/96
5,486,739 08/242,417 01/23/96
5,486,752 08/262,049 01/23/96
5,486,758 08/374,401 01/23/96
5,486,760 08/162,151 01/23/96
5,486,765 08/190,158 01/23/96
5,486,769 08/290,527 01/23/96
5,486,803 08/206,278 01/23/96
5,486,806 08/336,815 01/23/96
5,486,808 08/049,104 01/23/96
5,486,826 08/246,014 01/23/96
5,486,837 08/361,849 01/23/96
5,486,845 08/333,734 01/23/96
5,486,857 08/003,690 01/23/96
5,486,874 08/242,170 01/23/96
5,486,879 08/254,567 01/23/96
5,486,883 08/025,619 01/23/96
5,486,885 08/206,878 01/23/96
5,486,886 08/210,984 01/23/96
5,486,898 08/272,331 01/23/96
5,486,914 08/266,102 01/23/96
5,486,915 08/226,801 01/23/96
5,486,918 08/389,397 01/23/96
5,486,924 08/172,471 01/23/96
5,486,927 07/927,746 01/23/96
5,486,938 08/419,754 01/23/96
5,486,942 08/283,112 01/23/96
5,486,946 08/360,505 01/23/96
5,486,950 08/039,860 01/23/96
5,486,974 08/113,396 01/23/96
5,486,976 08/339,040 01/23/96
5,486,981 08/289,925 01/23/96
5,486,987 08/368,969 01/23/96
5,487,024 08/152,075 01/23/96
5,487,037 07/657,717 01/23/96
5,487,053 08/279,524 01/23/96
5,487,058 08/191,321 01/23/96
5,487,079 08/368,821 01/23/96
5,487,092 08/363,121 01/23/96
5,487,095 08/262,087 01/23/96
5,487,112 07/483,038 01/23/96
5,487,135 08/289,838 01/23/96
5,487,153 08/267,005 01/23/96
5,487,177 08/096,077 01/23/96