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 May 3, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Number Serial Number Issue Date
4,741,050 06/830,525 05/03/88
4,741,066 06/894,307 05/03/88
4,741,069 06/931,335 05/03/88
4,741,074 07/001,078 05/03/88
4,741,076 06/486,125 05/03/88
4,741,088 07/075,517 05/03/88
4,741,091 06/895,976 05/03/88
4,741,099 07/014,945 05/03/88
4,741,100 06/911,186 05/03/88
4,741,101 06/913,029 05/03/88
4,741,102 07/017,911 05/03/88
4,741,106 06/888,094 05/03/88
4,741,109 06/928,882 05/03/88
4,741,110 07/021,631 05/03/88
4,741,114 07/065,682 05/03/88
4,741,119 06/805,842 05/03/88
4,741,121 06/839,082 05/03/88
4,741,122 06/874,129 05/03/88
4,741,130 06/893,039 05/03/88
4,741,165 06/856,641 05/03/88
4,741,168 07/015,862 05/03/88
4,741,171 07/026,256 05/03/88
4,741,172 06/937,053 05/03/88
4,741,177 07/008,162 05/03/88
4,741,186 07/028,919 05/03/88
4,741,194 06/911,498 05/03/88
4,741,201 06/940,036 05/03/88
4,741,204 07/039,145 05/03/88
4,741,206 06/942,082 05/03/88
4,741,207 06/946,932 05/03/88
4,741,210 06/742,098 05/03/88
4,741,220 06/935,704 05/03/88
4,741,227 06/937,114 05/03/88
4,741,232 06/927,758 05/03/88
4,741,241 07/008,845 05/03/88
4,741,242 06/927,177 05/03/88
4,741,248 07/047,396 05/03/88
4,741,250 06/881,904 05/03/88
4,741,257 06/690,093 05/03/88
4,741,261 07/007,569 05/03/88
4,741,264 06/859,452 05/03/88
4,741,269 07/065,256 05/03/88
4,741,274 06/844,798 05/03/88
4,741,275 06/674,673 05/03/88
4,741,277 07/004,913 05/03/88
4,741,280 06/811,323 05/03/88
4,741,281 06/901,754 05/03/88
4,741,286 06/862,031 05/03/88
4,741,296 06/924,887 05/03/88
4,741,299 06/821,166 05/03/88
4,741,306 06/859,658 05/03/88
4,741,310 06/868,587 05/03/88
4,741,311 07/042,371 05/03/88
4,741,319 07/082,658 05/03/88
4,741,324 07/070,111 05/03/88
4,741,343 06/945,120 05/03/88
4,741,347 06/873,578 05/03/88
4,741,348 06/759,307 05/03/88
4,741,350 06/927,922 05/03/88
4,741,355 06/806,886 05/03/88
4,741,358 06/914,066 05/03/88
4,741,365 06/892,303 05/03/88
4,741,367 07/041,734 05/03/88
4,741,368 06/902,908 05/03/88
4,741,369 07/014,417 05/03/88
4,741,384 06/337,888 05/03/88
4,741,395 06/939,786 05/03/88
4,741,396 06/939,560 05/03/88
4,741,406 06/908,080 05/03/88
4,741,410 06/752,055 05/03/88
4,741,411 07/003,103 05/03/88
4,741,413 06/948,458 05/03/88
4,741,428 06/831,125 05/03/88
4,741,436 07/044,040 05/03/88
4,741,437 06/748,301 05/03/88
4,741,442 06/926,967 05/03/88
4,741,453 07/064,673 05/03/88
4,741,460 06/724,559 05/03/88
4,741,464 06/866,257 05/03/88
4,741,483 06/883,758 05/03/88
4,741,487 07/005,693 05/03/88
4,741,488 07/014,287 05/03/88
4,741,492 06/755,415 05/03/88
4,741,519 06/931,108 05/03/88
4,741,520 06/919,868 05/03/88
4,741,523 06/921,767 05/03/88
4,741,524 07/028,643 05/03/88
4,741,526 06/822,121 05/03/88
4,741,529 06/777,467 05/03/88
4,741,530 06/886,250 05/03/88
4,741,536 07/013,968 05/03/88
4,741,538 06/859,811 05/03/88
4,741,540 07/044,601 05/03/88
4,741,555 07/018,315 05/03/88
4,741,569 07/004,130 05/03/88
4,741,570 07/036,987 05/03/88
4,741,573 06/785,476 05/03/88
4,741,574 06/753,924 05/03/88
4,741,583 06/825,558 05/03/88
4,741,585 07/014,890 05/03/88
4,741,590 06/932,254 05/03/88
4,741,591 06/683,848 05/03/88
4,741,593 06/830,939 05/03/88
4,741,601 06/785,552 05/03/88
4,741,603 06/859,355 05/03/88
4,741,611 06/714,906 05/03/88
4,741,612 06/877,823 05/03/88
4,741,613 06/944,425 05/03/88
4,741,619 07/047,037 05/03/88
4,741,631 07/028,506 05/03/88
4,741,632 06/847,077 05/03/88
4,741,635 06/893,085 05/03/88
4,741,648 07/046,135 05/03/88
4,741,650 06/930,444 05/03/88
4,741,656 06/858,742 05/03/88
4,741,665 06/929,624 05/03/88
4,741,674 06/934,361 05/03/88
4,741,680 06/879,135 05/03/88
4,741,687 06/895,504 05/03/88
4,741,689 06/924,662 05/03/88
4,741,695 06/888,432 05/03/88
4,741,702 07/091,644 05/03/88
4,741,703 07/006,522 05/03/88
4,741,712 06/924,109 05/03/88
4,741,738 07/053,573 05/03/88
4,741,750 07/000,028 05/03/88
4,741,751 07/000,615 05/03/88
4,741,760 06/938,674 05/03/88
4,741,766 06/869,490 05/03/88
4,741,767 06/795,570 05/03/88
4,741,770 06/847,342 05/03/88
4,741,773 06/860,569 05/03/88
4,741,774 06/942,219 05/03/88
4,741,776 06/761,326 05/03/88
4,741,780 06/877,234 05/03/88
4,741,781 06/924,544 05/03/88
4,741,782 06/908,787 05/03/88
4,741,783 06/948,060 05/03/88
4,741,785 06/662,522 05/03/88
4,741,786 06/872,557 05/03/88
4,741,805 07/076,826 05/03/88
4,741,806 06/591,757 05/03/88
4,741,808 06/908,635 05/03/88
4,741,817 06/716,618 05/03/88
4,741,832 06/610,368 05/03/88
4,741,833 06/943,952 05/03/88
4,741,838 06/872,838 05/03/88
4,741,844 06/892,973 05/03/88
4,741,845 06/937,261 05/03/88
4,741,853 07/013,514 05/03/88
4,741,856 06/875,900 05/03/88
4,741,858 07/020,240 05/03/88
4,741,860 06/914,434 05/03/88
4,741,869 06/906,458 05/03/88
4,741,874 07/046,025 05/03/88
4,741,884 06/431,443 05/03/88
4,741,886 06/922,651 05/03/88
4,741,888 06/947,730 05/03/88
4,741,890 06/889,651 05/03/88
4,741,910 06/836,750 05/03/88
4,741,914 06/848,349 05/03/88
4,741,927 06/871,761 05/03/88
4,741,929 07/027,699 05/03/88
4,741,933 06/807,548 05/03/88
4,741,934 06/848,581 05/03/88
4,741,940 06/864,689 05/03/88
4,741,947 06/855,250 05/03/88
4,741,961 06/833,034 05/03/88
4,741,962 06/744,156 05/03/88
4,741,963 06/745,000 05/03/88
4,741,964 06/887,167 05/03/88
4,741,969 06/917,682 05/03/88
4,741,970 07/002,592 05/03/88
4,741,978 07/084,146 05/03/88
4,741,988 06/858,476 05/03/88
4,741,989 06/869,858 05/03/88
4,741,999 06/833,856 05/03/88
4,742,010 06/866,821 05/03/88
4,742,019 06/792,997 05/03/88
4,742,026 07/042,819 05/03/88
4,742,030 06/900,581 05/03/88
4,742,033 07/008,711 05/03/88
4,742,037 07/027,395 05/03/88
4,742,039 06/778,567 05/03/88
4,742,053 06/796,187 05/03/88
4,742,056 07/000,233 05/03/88
4,742,063 07/027,252 05/03/88
4,742,064 06/774,436 05/03/88
4,742,078 06/920,937 05/03/88
4,742,086 06/922,991 05/03/88
4,742,088 07/064,219 05/03/88
4,742,094 06/912,757 05/03/88
4,742,103 07/029,014 05/03/88
4,742,109 06/823,907 05/03/88
4,742,110 06/919,150 05/03/88
4,742,111 07/064,636 05/03/88
4,742,120 06/798,131 05/03/88
4,742,126 07/004,568 05/03/88
4,742,144 07/050,841 05/03/88
4,742,146 06/789,899 05/03/88
4,742,147 06/786,738 05/03/88
4,742,152 06/867,720 05/03/88
4,742,163 06/921,422 05/03/88
4,742,168 06/891,087 05/03/88
4,742,169 06/720,447 05/03/88
4,742,188 07/029,688 05/03/88
4,742,200 06/929,918 05/03/88
4,742,202 06/506,169 05/03/88
4,742,205 06/881,892 05/03/88
4,742,214 06/908,700 05/03/88
4,742,216 06/922,259 05/03/88
4,742,217 06/870,065 05/03/88
4,742,230 06/902,215 05/03/88
4,742,245 06/942,820 05/03/88
4,742,257 07/008,233 05/03/88
4,742,260 07/007,673 05/03/88
4,742,267 06/894,182 05/03/88
4,742,292 07/023,189 05/03/88
4,742,296 06/922,124 05/03/88
4,742,298 06/907,840 05/03/88
4,742,309 06/948,313 05/03/88
4,742,337 06/894,870 05/03/88
4,742,338 06/864,811 05/03/88
4,742,339 06/905,875 05/03/88
4,742,344 06/802,417 05/03/88
4,742,347 06/820,455 05/03/88
4,742,358 06/913,899 05/03/88
4,742,360 06/822,484 05/03/88
4,742,361 06/827,796 05/03/88
4,742,362 06/922,044 05/03/88
4,742,371 07/044,742 05/03/88
4,742,379 06/676,359 05/03/88
4,742,385 06/893,209 05/03/88
4,742,389 07/015,160 05/03/88
4,742,391 07/004,040 05/03/88
4,742,394 06/903,047 05/03/88
4,742,399 06/915,680 05/03/88
4,742,419 06/914,583 05/03/88
4,742,423 06/932,558 05/03/88
4,742,431 06/864,836 05/03/88
4,742,432 06/799,528 05/03/88
4,742,437 06/807,005 05/03/88
4,742,446 06/682,309 05/03/88
4,742,447 06/819,458 05/03/88
4,742,448 06/943,839 05/03/88
4,742,453 06/627,615 05/03/88
4,742,454 06/527,673 05/03/88
4,742,456 06/476,654 05/03/88
4,742,465 06/812,050 05/03/88
4,742,467 06/917,296 05/03/88
4,742,471 06/793,595 05/03/88
4,742,480 06/741,914 05/03/88
4,742,481 06/721,805 05/03/88
4,742,487 06/852,465 05/03/88
4,742,501 07/080,460 05/03/88
4,742,507 06/819,261 05/03/88
4,742,510 06/848,723 05/03/88
4,742,531 06/902,825 05/03/88
4,742,536 06/922,874 05/03/88
4,742,538 07/008,344 05/03/88
4,742,539 07/014,015 05/03/88
4,742,541 06/925,486 05/03/88
4,742,542 06/908,216 05/03/88
4,742,545 06/913,387 05/03/88
4,742,546 06/532,195 05/03/88
4,742,564 07/035,106 05/03/88
PATENTS WHICH EXPIRED ON April 28, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,107,542 07/672,882 04/28/92
5,107,543 07/558,248 04/28/92
5,107,545 07/637,326 04/28/92
5,107,554 07/697,643 04/28/92
5,107,558 07/722,682 04/28/92
5,107,563 07/584,539 04/28/92
5,107,567 07/753,011 04/28/92
5,107,569 07/534,838 04/28/92
5,107,571 07/588,907 04/28/92
5,107,577 07/695,562 04/28/92
5,107,581 07/280,462 04/28/92
5,107,582 07/248,871 04/28/92
5,107,583 07/697,393 04/28/92
5,107,588 07/584,693 04/28/92
5,107,592 07/580,207 04/28/92
5,107,598 07/578,079 04/28/92
5,107,600 07/744,330 04/28/92
5,107,607 07/468,002 04/28/92
5,107,608 07/591,989 04/28/92
5,107,609 07/641,316 04/28/92
5,107,610 07/644,297 04/28/92
5,107,615 07/544,799 04/28/92
5,107,621 07/406,161 04/28/92
5,107,633 07/646,499 04/28/92
5,107,638 07/641,663 04/28/92
5,107,647 07/618,979 04/28/92
5,107,651 07/718,480 04/28/92
5,107,653 07/613,103 04/28/92
5,107,654 07/417,779 04/28/92
5,107,655 07/469,850 04/28/92
5,107,665 07/729,029 04/28/92
5,107,666 07/475,311 04/28/92
5,107,668 07/503,319 04/28/92
5,107,671 07/620,381 04/28/92
5,107,672 07/698,288 04/28/92
5,107,685 07/621,455 04/28/92
5,107,692 07/751,104 04/28/92
5,107,695 07/598,409 04/28/92
5,107,699 07/371,991 04/28/92
5,107,700 07/503,148 04/28/92
5,107,701 07/566,633 04/28/92
5,107,702 07/619,491 04/28/92
5,107,703 07/608,843 04/28/92
5,107,706 07/513,102 04/28/92
5,107,714 07/536,642 04/28/92
5,107,722 07/654,618 04/28/92
5,107,749 07/651,238 04/28/92
5,107,753 07/742,429 04/28/92
5,107,754 07/291,795 04/28/92
5,107,755 07/599,748 04/28/92
5,107,760 07/628,160 04/28/92
5,107,769 07/671,788 04/28/92
5,107,773 07/588,899 04/28/92
5,107,779 07/765,025 04/28/92
5,107,780 07/765,029 04/28/92
5,107,783 07/686,394 04/28/92
5,107,785 07/624,033 04/28/92
5,107,792 07/732,746 04/28/92
5,107,798 07/682,143 04/28/92
5,107,800 07/693,618 04/28/92
5,107,811 07/569,051 04/28/92
5,107,817 07/730,774 04/28/92
5,107,818 07/047,410 04/28/92
5,107,820 07/490,569 04/28/92
5,107,824 07/407,185 04/28/92
5,107,826 07/596,314 04/28/92
5,107,849 07/581,638 04/28/92
5,107,855 07/490,713 04/28/92
5,107,861 07/625,162 04/28/92
5,107,862 07/698,199 04/28/92
5,107,881 07/442,270 04/28/92
5,107,886 07/656,278 04/28/92
5,107,889 07/646,900 04/28/92
5,107,893 07/641,895 04/28/92
5,107,896 07/727,456 04/28/92
5,107,905 07/592,524 04/28/92
5,107,909 07/650,175 04/28/92
5,107,912 07/702,426 04/28/92
5,107,917 07/655,399 04/28/92
5,107,918 07/663,415 04/28/92
5,107,920 07/501,909 04/28/92
5,107,924 07/656,810 04/28/92
5,107,925 07/638,846 04/28/92
5,107,926 07/503,798 04/28/92
5,107,928 07/397,166 04/28/92
5,107,929 07/716,574 04/28/92
5,107,930 07/540,716 04/28/92
5,107,934 07/664,830 04/28/92
5,107,935 07/744,812 04/28/92
5,107,936 07/275,090 04/28/92
5,107,943 07/597,046 04/28/92
5,107,950 07/649,253 04/28/92
5,107,951 07/032,324 04/28/92
5,107,954 07/607,104 04/28/92
5,107,955 07/704,339 04/28/92
5,107,959 07/641,299 04/28/92
5,107,963 07/583,174 04/28/92
5,107,965 07/617,207 04/28/92
5,107,971 07/763,555 04/28/92
5,107,976 07/667,049 04/28/92
5,107,978 07/611,989 04/28/92
5,107,980 07/613,229 04/28/92
5,107,982 07/645,825 04/28/92
5,107,987 07/522,650 04/28/92
5,107,989 07/684,392 04/28/92
5,107,992 07/719,783 04/28/92
5,107,993 07/589,445 04/28/92
5,107,995 07/784,365 04/28/92
5,107,997 07/646,486 04/28/92
5,108,006 07/515,978 04/28/92
5,108,020 07/653,144 04/28/92
5,108,023 07/603,986 04/28/92
5,108,024 07/709,248 04/28/92
5,108,027 07/684,483 04/28/92
5,108,032 07/338,099 04/28/92
5,108,042 07/662,032 04/28/92
5,108,049 07/271,758 04/28/92
5,108,050 07/416,694 04/28/92
5,108,052 07/702,608 04/28/92
5,108,054 07/749,505 04/28/92
5,108,055 07/754,784 04/28/92
5,108,057 07/612,462 04/28/92
5,108,066 07/508,552 04/28/92
5,108,068 07/465,352 04/28/92
5,108,079 07/627,745 04/28/92
5,108,080 07/630,154 04/28/92
5,108,091 07/751,082 04/28/92
5,108,099 07/481,142 04/28/92
5,108,105 07/641,810 04/28/92
5,108,120 07/686,516 04/28/92
5,108,121 07/741,972 04/28/92
5,108,124 07/548,204 04/28/92
5,108,125 07/398,459 04/28/92
5,108,130 07/510,956 04/28/92
5,108,132 07/564,724 04/28/92
5,108,133 07/453,839 04/28/92
5,108,135 07/584,512 04/28/92
5,108,139 07/637,287 04/28/92
5,108,140 07/512,042 04/28/92
5,108,144 07/559,682 04/28/92
5,108,145 07/687,172 04/28/92
5,108,153 07/663,449 04/28/92
5,108,156 07/721,854 04/28/92
5,108,161 07/587,318 04/28/92
5,108,163 07/723,671 04/28/92
5,108,168 07/524,118 04/28/92
5,108,171 07/597,496 04/28/92
5,108,184 07/554,038 04/28/92
5,108,190 07/674,658 04/28/92
5,108,192 07/663,138 04/28/92
5,108,193 07/644,735 04/28/92
5,108,194 07/638,331 04/28/92
5,108,199 07/628,411 04/28/92
5,108,200 07/577,715 04/28/92
5,108,208 07/504,693 04/28/92
5,108,217 07/534,570 04/28/92
5,108,223 07/591,232 04/28/92
5,108,232 07/647,772 04/28/92
5,108,234 07/735,049 04/28/92
5,108,240 07/613,508 04/28/92
5,108,244 07/747,880 04/28/92
5,108,245 07/643,263 04/28/92
5,108,258 07/515,023 04/28/92
5,108,260 07/602,012 04/28/92
5,108,262 07/498,139 04/28/92
5,108,265 07/563,145 04/28/92
5,108,269 07/375,452 04/28/92
5,108,272 07/661,368 04/28/92
5,108,278 07/666,562 04/28/92
5,108,287 07/755,522 04/28/92
5,108,289 07/683,038 04/28/92
5,108,291 07/578,955 04/28/92
5,108,292 07/579,265 04/28/92
5,108,294 07/700,081 04/28/92
5,108,302 07/716,542 04/28/92
5,108,323 07/585,426 04/28/92
5,108,329 07/624,637 04/28/92
5,108,337 07/609,412 04/28/92
5,108,348 07/596,164 04/28/92
5,108,358 07/576,679 04/28/92
5,108,360 07/500,150 04/28/92
5,108,363 07/308,683 04/28/92
5,108,365 07/540,856 04/28/92
5,108,368 07/583,819 04/28/92
5,108,370 07/416,709 04/28/92
5,108,375 07/762,628 04/28/92
5,108,380 07/637,474 04/28/92
5,108,381 07/667,225 04/28/92
5,108,382 07/754,222 04/28/92
5,108,387 07/478,085 04/28/92
5,108,393 07/685,064 04/28/92
5,108,399 07/407,986 04/28/92
5,108,400 07/401,451 04/28/92
5,108,405 07/710,503 04/28/92
5,108,421 07/591,342 04/28/92
5,108,425 07/530,335 04/28/92
5,108,431 07/724,157 04/28/92
5,108,432 07/557,266 04/28/92
5,108,433 07/660,294 04/28/92
5,108,444 07/630,518 04/28/92
5,108,445 07/633,712 04/28/92
5,108,446 07/769,002 04/28/92
5,108,449 07/637,545 04/28/92
5,108,456 07/646,278 04/28/92
5,108,457 07/286,353 04/28/92
5,108,471 07/702,090 04/28/92
5,108,472 07/609,465 04/28/92
5,108,479 07/594,058 04/28/92
5,108,482 07/521,806 04/28/92
5,108,501 07/724,649 04/28/92
5,108,502 07/751,457 04/28/92
5,108,505 07/702,437 04/28/92
5,108,507 07/740,853 04/28/92
5,108,517 07/558,643 04/28/92
5,108,521 07/747,381 04/28/92
5,108,522 07/425,183 04/28/92
5,108,531 07/347,653 04/28/92
5,108,534 07/592,049 04/28/92
5,108,541 07/665,633 04/28/92
5,108,542 07/572,188 04/28/92
5,108,543 07/262,266 04/28/92
5,108,550 07/475,971 04/28/92
5,108,551 07/628,975 04/28/92
5,108,553 07/412,239 04/28/92
5,108,555 07/649,485 04/28/92
5,108,556 07/582,675 04/28/92
5,108,565 07/577,455 04/28/92
5,108,572 07/347,941 04/28/92
5,108,573 07/533,551 04/28/92
5,108,576 07/206,875 04/28/92
5,108,585 07/481,808 04/28/92
5,108,590 07/581,023 04/28/92
5,108,591 07/679,949 04/28/92
5,108,592 07/506,692 04/28/92
5,108,594 07/706,649 04/28/92
5,108,600 07/707,378 04/28/92
5,108,607 07/596,221 04/28/92
5,108,611 07/745,669 04/28/92
5,108,613 07/729,728 04/28/92
5,108,615 07/442,744 04/28/92
5,108,617 07/693,722 04/28/92
5,108,623 07/615,327 04/28/92
5,108,626 07/581,708 04/28/92
5,108,632 07/780,562 04/28/92
5,108,634 07/415,327 04/28/92
5,108,639 07/510,534 04/28/92
5,108,641 07/642,343 04/28/92
5,108,642 07/500,427 04/28/92
5,108,647 07/679,159 04/28/92
5,108,653 07/713,886 04/28/92
5,108,659 07/707,172 04/28/92
5,108,660 07/628,064 04/28/92
5,108,661 07/467,565 04/28/92
5,108,664 07/435,405 04/28/92
5,108,667 07/400,834 04/28/92
5,108,670 07/641,231 04/28/92
5,108,671 07/741,335 04/28/92
5,108,672 07/499,545 04/28/92
5,108,676 07/682,976 04/28/92
5,108,702 07/389,509 04/28/92
5,108,707 07/534,024 04/28/92
5,108,709 07/587,923 04/28/92
5,108,718 07/380,169 04/28/92
5,108,720 07/702,541 04/28/92
5,108,723 07/569,118 04/28/92
5,108,727 07/543,633 04/28/92
5,108,728 07/662,967 04/28/92
5,108,733 07/575,206 04/28/92
5,108,741 07/603,291 04/28/92
5,108,750 07/320,576 04/28/92
5,108,757 07/493,283 04/28/92
5,108,771 07/438,459 04/28/92
5,108,775 07/663,406 04/28/92
5,108,782 07/726,804 04/28/92
5,108,796 07/534,707 04/28/92
5,108,798 07/362,908 04/28/92
5,108,803 07/532,147 04/28/92
5,108,809 07/632,715 04/28/92
5,108,811 07/511,072 04/28/92
5,108,813 07/549,111 04/28/92
5,108,830 07/660,214 04/28/92
5,108,847 07/683,950 04/28/92
5,108,848 07/487,738 04/28/92
5,108,858 07/565,827 04/28/92
5,108,869 07/642,796 04/28/92
5,108,891 07/204,568 04/28/92
5,108,893 07/536,181 04/28/92
5,108,907 06/651,402 04/28/92
5,108,914 07/452,440 04/28/92
5,108,922 07/561,496 04/28/92
5,108,930 07/469,964 04/28/92
5,108,934 07/157,772 04/28/92
5,108,936 07/704,674 04/28/92
5,108,938 07/664,464 04/28/92
5,108,947 07/470,356 04/28/92
5,108,948 07/272,493 04/28/92
5,108,949 07/695,219 04/28/92
5,108,952 07/561,605 04/28/92
5,108,962 07/198,969 04/28/92
5,108,964 07/310,381 04/28/92
5,108,966 07/497,688 04/28/92
5,108,967 07/625,205 04/28/92
5,108,969 07/571,470 04/28/92
5,108,971 07/612,454 04/28/92
5,108,974 07/630,128 04/28/92
5,108,990 07/396,631 04/28/92
5,108,993 07/595,758 04/28/92
5,109,001 07/570,819 04/28/92
5,109,002 07/570,199 04/28/92
5,109,007 07/521,835 04/28/92
5,109,009 07/581,121 04/28/92
5,109,012 07/564,729 04/28/92
5,109,020 07/549,784 04/28/92
5,109,021 07/528,865 04/28/92
5,109,022 07/602,835 04/28/92
5,109,033 07/701,284 04/28/92
5,109,039 07/125,773 04/28/92
5,109,043 07/452,751 04/28/92
5,109,047 07/595,060 04/28/92
5,109,053 07/541,561 04/28/92
5,109,059 07/504,471 04/28/92
5,109,060 07/504,474 04/28/92
5,109,062 07/614,728 04/28/92
5,109,067 07/394,156 04/28/92
5,109,074 07/367,529 04/28/92
5,109,079 07/624,013 04/28/92
5,109,084 07/709,269 04/28/92
5,109,085 07/572,820 04/28/92
5,109,086 07/493,244 04/28/92
5,109,087 07/464,228 04/28/92
5,109,088 07/548,985 04/28/92
5,109,096 07/535,802 04/28/92
5,109,097 07/578,476 04/28/92
5,109,098 07/497,383 04/28/92
5,109,110 07/364,410 04/28/92
5,109,114 07/406,144 04/28/92
5,109,116 07/384,233 04/28/92
5,109,127 07/608,738 04/28/92
5,109,130 07/658,866 04/28/92
5,109,137 07/729,687 04/28/92
5,109,141 07/559,425 04/28/92
5,109,144 07/479,957 04/28/92
5,109,147 07/521,239 04/28/92
5,109,149 07/493,938 04/28/92
5,109,150 07/415,797 04/28/92
5,109,166 07/516,418 04/28/92
5,109,167 07/635,865 04/28/92
5,109,172 07/514,499 04/28/92
5,109,176 07/614,419 04/28/92
5,109,184 07/474,096 04/28/92
5,109,186 07/554,765 04/28/92
5,109,194 07/620,650 04/28/92
5,109,197 07/578,766 04/28/92
5,109,198 07/469,916 04/28/92
5,109,199 07/479,155 04/28/92
5,109,214 07/484,477 04/28/92
5,109,219 07/266,475 04/28/92
5,109,223 07/343,929 04/28/92
5,109,225 07/621,985 04/28/92
5,109,230 07/267,016 04/28/92
5,109,250 07/452,565 04/28/92
5,109,267 07/731,695 04/28/92
5,109,269 07/726,780 04/28/92
5,109,270 07/728,324 04/28/92
5,109,271 07/727,292 04/28/92
5,109,272 07/627,817 04/28/92
5,109,273 07/522,439 04/28/92
5,109,276 07/472,646 04/28/92
5,109,282 07/540,685 04/28/92
5,109,295 07/646,498 04/28/92
5,109,305 07/609,104 04/28/92
5,109,307 07/490,504 04/28/92
5,109,309 07/523,893 04/28/92
5,109,312 07/495,095 04/28/92
5,109,318 07/520,011 04/28/92
5,109,329 07/012,085 04/28/92
5,109,337 07/113,694 04/28/92
5,109,338 07/407,113 04/28/92
5,109,354 07/502,563 04/28/92
5,109,360 07/530,704 04/28/92
5,109,368 07/579,975 04/28/92
5,109,374 07/406,519 04/28/92
5,109,376 07/349,209 04/28/92
5,109,382 07/439,838 04/28/92
5,109,383 07/401,774 04/28/92
5,109,410 07/480,046 04/28/92
5,109,413 07/441,221 04/28/92
5,109,418 06/825,827 04/28/92
5,109,423 07/603,628 04/28/92
5,109,427 07/611,850 04/28/92
5,109,430 07/604,390 04/28/92
5,109,437 07/302,847 04/28/92
5,109,445 07/513,526 04/28/92
5,109,454 07/574,219 04/28/92
5,109,455 07/562,545 04/28/92
5,109,466 07/440,196 04/28/92
5,109,472 07/451,690 04/28/92
5,109,473 07/629,267 04/28/92
5,109,485 07/689,117 04/28/92
5,109,491 07/525,550 04/28/92
5,109,496 07/413,408 04/28/92
5,109,498 07/353,361 04/28/92
5,109,509 07/277,526 04/28/92
5,109,522 06/930,965 04/28/92
5,109,523 07/481,706 04/28/92
5,109,525 07/644,754 04/28/92
5,109,526 07/452,162 04/28/92
5,109,545 07/477,583 04/28/92
PATENTS WHICH EXPIRED ON April 30, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,511,243 08/386,534 04/30/96
5,511,244 08/386,538 04/30/96
5,511,247 08/267,116 04/30/96
5,511,249 08/306,410 04/30/96
5,511,250 08/378,545 04/30/96
5,511,253 08/263,060 04/30/96
5,511,254 08/275,518 04/30/96
5,511,262 08/455,410 04/30/96
5,511,265 08/355,063 04/30/96
5,511,266 08/349,875 04/30/96
5,511,269 08/349,245 04/30/96
5,511,272 08/352,657 04/30/96
5,511,275 08/442,088 04/30/96
5,511,277 08/470,645 04/30/96
5,511,280 08/394,601 04/30/96
5,511,283 08/348,936 04/30/96
5,511,289 08/414,752 04/30/96
5,511,291 08/286,962 04/30/96
5,511,295 08/405,041 04/30/96
5,511,305 08/254,163 04/30/96
5,511,308 08/239,067 04/30/96
5,511,312 08/344,966 04/30/96
5,511,313 08/362,658 04/30/96
5,511,315 08/323,371 04/30/96
5,511,316 08/310,333 04/30/96
5,511,318 08/333,646 04/30/96
5,511,326 08/240,115 04/30/96
5,511,327 08/305,551 04/30/96
5,511,328 08/323,765 04/30/96
5,511,331 08/243,969 04/30/96
5,511,332 08/299,538 04/30/96
5,511,333 08/393,544 04/30/96
5,511,336 08/259,109 04/30/96
5,511,337 08/303,615 04/30/96
5,511,338 08/319,228 04/30/96
5,511,343 08/295,638 04/30/96
5,511,353 08/345,165 04/30/96
5,511,362 08/156,750 04/30/96
5,511,364 08/349,242 04/30/96
5,511,369 08/342,885 04/30/96
5,511,384 08/371,355 04/30/96
5,511,388 08/215,914 04/30/96
5,511,390 08/289,430 04/30/96
5,511,392 08/333,851 04/30/96
5,511,398 08/415,442 04/30/96
5,511,400 08/319,588 04/30/96
5,511,406 08/238,829 04/30/96
5,511,410 08/321,810 04/30/96
5,511,411 08/306,738 04/30/96
5,511,413 08/118,021 04/30/96
5,511,414 08/128,693 04/30/96
5,511,451 08/344,983 04/30/96
5,511,452 08/326,863 04/30/96
5,511,458 08/256,680 04/30/96
5,511,481 08/380,171 04/30/96
5,511,482 08/272,597 04/30/96
5,511,498 08/358,853 04/30/96
5,511,499 08/343,671 04/30/96
5,511,500 07/920,977 04/30/96
5,511,501 08/222,801 04/30/96
5,511,502 08/201,639 04/30/96
5,511,503 08/320,305 04/30/96
5,511,507 08/338,398 04/30/96
5,511,511 08/482,908 04/30/96
5,511,512 08/310,380 04/30/96
5,511,513 08/377,276 04/30/96
5,511,514 08/290,799 04/30/96
5,511,522 08/339,675 04/30/96
5,511,525 08/400,764 04/30/96
5,511,530 08/328,350 04/30/96
5,511,533 08/191,090 04/30/96
5,511,535 08/196,275 04/30/96
5,511,538 08/120,691 04/30/96
5,511,541 08/511,371 04/30/96
5,511,542 08/220,865 04/30/96
5,511,544 08/376,903 04/30/96
5,511,560 08/307,716 04/30/96
5,511,561 07/976,549 04/30/96
5,511,566 08/252,958 04/30/96
5,511,567 08/230,751 04/30/96
5,511,573 08/327,594 04/30/96
5,511,574 08/340,192 04/30/96
5,511,582 08/447,769 04/30/96
5,511,588 08/377,243 04/30/96
5,511,592 08/139,376 04/30/96
5,511,594 07/903,235 04/30/96
5,511,602 08/454,419 04/30/96
5,511,603 08/262,075 04/30/96
5,511,614 08/370,651 04/30/96
5,511,624 08/260,208 04/30/96
5,511,627 08/244,569 04/30/96
5,511,635 08/280,562 04/30/96
5,511,637 08/312,591 04/30/96
5,511,639 08/351,846 04/30/96
5,511,651 08/333,569 04/30/96
5,511,652 08/274,202 04/30/96
5,511,661 08/291,279 04/30/96
5,511,666 08/247,692 04/30/96
5,511,675 08/148,595 04/30/96
5,511,686 08/150,025 04/30/96
5,511,691 08/280,346 04/30/96
5,511,692 08/211,827 04/30/96
5,511,696 08/341,658 04/30/96
5,511,697 08/359,265 04/30/96
5,511,700 08/499,060 04/30/96
5,511,702 08/395,987 04/30/96
5,511,703 08/274,579 04/30/96
5,511,704 08/369,496 04/30/96
5,511,723 08/256,768 04/30/96
5,511,726 08/095,815 04/30/96
5,511,733 08/200,486 04/30/96
5,511,740 08/220,800 04/30/96
5,511,750 08/210,925 04/30/96
5,511,751 08/152,747 04/30/96
5,511,752 08/253,063 04/30/96
5,511,754 08/320,371 04/30/96
5,511,758 08/378,554 04/30/96
5,511,772 08/296,188 04/30/96
5,511,775 08/314,228 04/30/96
5,511,779 08/344,087 04/30/96
5,511,780 08/498,604 04/30/96
5,511,785 08/349,886 04/30/96
5,511,788 08/291,125 04/30/96
5,511,790 08/443,099 04/30/96
5,511,795 08/191,646 04/30/96
5,511,802 08/355,016 04/30/96
5,511,805 08/242,111 04/30/96
5,511,806 08/468,140 04/30/96
5,511,809 08/265,799 04/30/96
5,511,811 08/427,123 04/30/96
5,511,812 08/318,785 04/30/96
5,511,814 08/421,526 04/30/96
5,511,825 08/280,519 04/30/96
5,511,829 08/309,642 04/30/96
5,511,832 08/241,905 04/30/96
5,511,836 08/404,365 04/30/96
5,511,842 08/498,921 04/30/96
5,511,844 08/139,843 04/30/96
5,511,848 08/343,825 04/30/96
5,511,849 08/309,033 04/30/96
5,511,850 08/367,854 04/30/96
5,511,853 08/225,643 04/30/96
5,511,854 08/262,499 04/30/96
5,511,861 08/370,196 04/30/96
5,511,870 08/218,645 04/30/96
5,511,882 08/398,357 04/30/96
5,511,883 08/366,020 04/30/96
5,511,889 08/367,169 04/30/96
5,511,905 08/143,359 04/30/96
5,511,907 08/439,640 04/30/96
5,511,908 08/342,451 04/30/96
5,511,909 08/255,077 04/30/96
5,511,912 08/308,158 04/30/96
5,511,915 08/206,852 04/30/96
5,511,916 07/804,840 04/30/96
5,511,922 08/258,899 04/30/96
5,511,931 08/389,502 04/30/96
5,511,933 08/444,857 04/30/96
5,511,938 08/250,515 04/30/96
5,511,954 08/494,415 04/30/96
5,511,972 08/371,561 04/30/96
5,511,973 08/362,119 04/30/96
5,511,979 08/170,207 04/30/96
5,511,989 08/342,624 04/30/96
5,511,992 08/428,156 04/30/96
5,511,995 08/331,967 04/30/96
5,511,998 08/502,630 04/30/96
5,512,003 08/364,960 04/30/96
5,512,009 08/204,006 04/30/96
5,512,018 08/414,307 04/30/96
5,512,019 08/415,506 04/30/96
5,512,020 08/435,217 04/30/96
5,512,021 08/194,393 04/30/96
5,512,027 08/488,891 04/30/96
5,512,029 08/267,483 04/30/96
5,512,039 08/368,973 04/30/96
5,512,044 08/320,206 04/30/96
5,512,045 08/173,695 04/30/96
5,512,047 08/365,361 04/30/96
5,512,048 08/398,806 04/30/96
5,512,060 08/439,804 04/30/96
5,512,064 08/281,840 04/30/96
5,512,065 08/135,053 04/30/96
5,512,076 08/307,189 04/30/96
5,512,088 08/264,658 04/30/96
5,512,097 08/350,535 04/30/96
5,512,098 08/284,806 04/30/96
5,512,108 08/315,062 04/30/96
5,512,119 08/127,928 04/30/96
5,512,120 08/269,512 04/30/96
5,512,124 08/182,846 04/30/96
5,512,125 08/295,128 04/30/96
5,512,134 08/256,996 04/30/96
5,512,143 07/867,494 04/30/96
5,512,158 08/395,268 04/30/96
5,512,165 08/495,705 04/30/96
5,512,168 08/473,335 04/30/96
5,512,171 08/381,477 04/30/96
5,512,182 08/183,126 04/30/96
5,512,189 08/278,780 04/30/96
5,512,206 08/249,374 04/30/96
5,512,210 08/171,194 04/30/96
5,512,212 08/373,708 04/30/96
5,512,231 08/378,705 04/30/96
5,512,232 08/323,355 04/30/96
5,512,249 08/336,898 04/30/96
5,512,252 08/240,028 04/30/96
5,512,257 08/449,845 04/30/96
5,512,264 08/326,186 04/30/96
5,512,269 08/074,315 04/30/96
5,512,274 07/982,099 04/30/96
5,512,276 08/211,797 04/30/96
5,512,281 07/908,679 04/30/96
5,512,299 08/092,024 04/30/96
5,512,301 08/348,276 04/30/96
5,512,317 08/366,142 04/30/96
5,512,328 08/098,046 04/30/96
5,512,344 08/133,579 04/30/96
5,512,352 08/434,937 04/30/96
5,512,379 08/377,129 04/30/96
5,512,384 08/445,211 04/30/96
5,512,390 08/278,387 04/30/96
5,512,394 08/337,808 04/30/96
5,512,398 08/389,373 04/30/96
5,512,414 08/125,990 04/30/96
5,512,435 08/014,426 04/30/96
5,512,436 08/108,578 04/30/96
5,512,451 08/217,845 04/30/96
5,512,456 07/890,925 04/30/96
5,512,458 08/275,169 04/30/96
5,512,466 07/809,457 04/30/96
5,512,467 08/091,445 04/30/96
5,512,490 08/289,001 04/30/96
5,512,514 08/336,382 04/30/96
5,512,524 08/366,396 04/30/96
5,512,526 08/369,605 04/30/96
5,512,534 08/131,289 04/30/96
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