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 April 12, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Number Serial Number Issue Date
4,736,466 07/031,583 04/12/88
4,736,473 06/818,007 04/12/88
4,736,484 06/881,397 04/12/88
4,736,487 06/906,512 04/12/88
4,736,497 06/911,938 04/12/88
4,736,500 07/071,292 04/12/88
4,736,503 06/912,120 04/12/88
4,736,506 06/917,217 04/12/88
4,736,512 06/902,159 04/12/88
4,736,519 06/913,273 04/12/88
4,736,521 06/935,499 04/12/88
4,736,524 07/015,450 04/12/88
4,736,530 07/015,119 04/12/88
4,736,531 07/037,415 04/12/88
4,736,532 06/890,211 04/12/88
4,736,540 07/067,158 04/12/88
4,736,542 06/920,671 04/12/88
4,736,556 06/938,663 04/12/88
4,736,567 07/020,377 04/12/88
4,736,572 06/301,222 04/12/88
4,736,575 06/870,707 04/12/88
4,736,577 06/849,874 04/12/88
4,736,585 06/838,145 04/12/88
4,736,586 06/896,188 04/12/88
4,736,587 06/795,902 04/12/88
4,736,589 07/000,387 04/12/88
4,736,590 07/063,675 04/12/88
4,736,597 07/035,801 04/12/88
4,736,599 06/941,999 04/12/88
4,736,602 07/031,468 04/12/88
4,736,610 06/844,796 04/12/88
4,736,611 06/846,365 04/12/88
4,736,616 06/947,625 04/12/88
4,736,624 07/013,498 04/12/88
4,736,625 06/927,017 04/12/88
4,736,627 06/813,289 04/12/88
4,736,630 06/891,644 04/12/88
4,736,633 06/843,541 04/12/88
4,736,635 07/013,087 04/12/88
4,736,639 07/001,198 04/12/88
4,736,646 06/800,571 04/12/88
4,736,647 06/937,504 04/12/88
4,736,654 07/042,609 04/12/88
4,736,663 06/662,708 04/12/88
4,736,670 06/925,046 04/12/88
4,736,673 06/868,066 04/12/88
4,736,674 06/810,647 04/12/88
4,736,682 06/946,579 04/12/88
4,736,684 06/820,578 04/12/88
4,736,690 06/912,577 04/12/88
4,736,691 06/387,260 04/12/88
4,736,699 07/084,480 04/12/88
4,736,702 06/937,056 04/12/88
4,736,703 06/872,259 04/12/88
4,736,706 06/871,082 04/12/88
4,736,710 06/671,201 04/12/88
4,736,711 06/940,079 04/12/88
4,736,714 06/898,040 04/12/88
4,736,718 07/028,099 04/12/88
4,736,723 06/813,120 04/12/88
4,736,730 07/089,928 04/12/88
4,736,733 07/018,630 04/12/88
4,736,735 07/017,572 04/12/88
4,736,741 07/000,244 04/12/88
4,736,744 06/919,320 04/12/88
4,736,748 07/034,026 04/12/88
4,736,756 06/777,349 04/12/88
4,736,767 06/715,685 04/12/88
4,736,768 06/911,996 04/12/88
4,736,772 07/086,541 04/12/88
4,736,775 06/946,347 04/12/88
4,736,779 06/854,529 04/12/88
4,736,782 06/798,278 04/12/88
4,736,784 07/012,287 04/12/88
4,736,792 06/947,932 04/12/88
4,736,802 06/901,773 04/12/88
4,736,810 07/060,891 04/12/88
4,736,813 06/851,484 04/12/88
4,736,823 07/027,823 04/12/88
4,736,824 06/867,447 04/12/88
4,736,826 06/726,012 04/12/88
4,736,830 06/903,513 04/12/88
4,736,833 06/830,102 04/12/88
4,736,842 07/022,419 04/12/88
4,736,849 06/764,945 04/12/88
4,736,850 06/920,206 04/12/88
4,736,859 07/012,900 04/12/88
4,736,878 06/904,015 04/12/88
4,736,879 06/566,179 04/12/88
4,736,901 06/900,944 04/12/88
4,736,903 07/000,858 04/12/88
4,736,910 07/014,183 04/12/88
4,736,932 06/746,160 04/12/88
4,736,941 06/941,408 04/12/88
4,736,945 06/419,943 04/12/88
4,736,949 06/904,412 04/12/88
4,736,956 06/851,449 04/12/88
4,736,958 06/854,736 04/12/88
4,736,975 06/948,246 04/12/88
4,736,984 06/925,310 04/12/88
4,736,992 06/875,037 04/12/88
4,737,003 06/684,784 04/12/88
4,737,012 07/014,210 04/12/88
4,737,015 06/674,770 04/12/88
4,737,034 06/236,543 04/12/88
4,737,045 06/882,711 04/12/88
4,737,046 06/810,691 04/12/88
4,737,047 07/008,258 04/12/88
4,737,049 06/946,886 04/12/88
4,737,052 07/024,434 04/12/88
4,737,060 06/771,136 04/12/88
4,737,064 06/878,158 04/12/88
4,737,067 06/786,049 04/12/88
4,737,077 07/095,499 04/12/88
4,737,078 07/022,744 04/12/88
4,737,079 07/025,497 04/12/88
4,737,081 07/056,604 04/12/88
4,737,090 06/868,680 04/12/88
4,737,093 06/871,758 04/12/88
4,737,098 06/850,581 04/12/88
4,737,103 06/885,414 04/12/88
4,737,107 06/883,116 04/12/88
4,737,109 07/021,255 04/12/88
4,737,110 07/003,410 04/12/88
4,737,114 07/100,225 04/12/88
4,737,127 06/916,385 04/12/88
4,737,137 06/919,680 04/12/88
4,737,139 07/012,411 04/12/88
4,737,142 06/796,733 04/12/88
4,737,143 06/861,880 04/12/88
4,737,146 07/042,615 04/12/88
4,737,166 06/947,996 04/12/88
4,737,167 07/020,179 04/12/88
4,737,173 06/881,702 04/12/88
4,737,176 06/930,218 04/12/88
4,737,177 06/893,045 04/12/88
4,737,182 06/941,112 04/12/88
4,737,184 06/732,788 04/12/88
4,737,196 06/852,754 04/12/88
4,737,208 06/912,874 04/12/88
4,737,211 06/928,779 04/12/88
4,737,213 06/903,334 04/12/88
4,737,216 06/917,651 04/12/88
4,737,226 06/824,968 04/12/88
4,737,234 06/897,553 04/12/88
4,737,238 07/078,523 04/12/88
4,737,239 06/773,708 04/12/88
4,737,241 07/017,227 04/12/88
4,737,260 06/918,543 04/12/88
4,737,264 07/055,567 04/12/88
4,737,268 06/840,760 04/12/88
4,737,269 06/863,469 04/12/88
4,737,273 06/815,964 04/12/88
4,737,276 06/883,318 04/12/88
4,737,279 07/027,399 04/12/88
4,737,285 06/871,080 04/12/88
4,737,290 07/022,548 04/12/88
4,737,292 07/043,701 04/12/88
4,737,296 06/834,884 04/12/88
4,737,300 06/733,180 04/12/88
4,737,306 06/883,256 04/12/88
4,737,309 06/901,555 04/12/88
4,737,310 06/864,392 04/12/88
4,737,315 06/943,895 04/12/88
4,737,332 06/862,961 04/12/88
4,737,334 07/022,701 04/12/88
4,737,338 06/860,552 04/12/88
4,737,345 06/462,407 04/12/88
4,737,346 06/914,393 04/12/88
4,737,353 06/841,752 04/12/88
4,737,356 06/935,899 04/12/88
4,737,361 06/871,652 04/12/88
4,737,368 07/064,049 04/12/88
4,737,370 06/665,957 04/12/88
4,737,374 07/046,922 04/12/88
4,737,384 06/793,935 04/12/88
4,737,386 06/905,354 04/12/88
4,737,389 06/824,865 04/12/88
4,737,392 06/884,678 04/12/88
4,737,396 07/010,625 04/12/88
4,737,403 07/033,945 04/12/88
4,737,409 07/043,443 04/12/88
4,737,419 06/830,479 04/12/88
4,737,422 06/855,819 04/12/88
4,737,426 06/859,683 04/12/88
4,737,431 06/923,316 04/12/88
4,737,434 06/846,668 04/12/88
4,737,445 06/921,119 04/12/88
4,737,450 07/011,574 04/12/88
4,737,459 06/716,045 04/12/88
4,737,482 06/776,228 04/12/88
4,737,483 07/045,484 04/12/88
4,737,491 06/743,426 04/12/88
4,737,496 06/914,028 04/12/88
4,737,497 06/596,839 04/12/88
4,737,502 06/837,407 04/12/88
4,737,513 06/765,317 04/12/88
4,737,519 06/878,115 04/12/88
4,737,535 06/817,949 04/12/88
4,737,546 06/896,925 04/12/88
4,737,562 06/919,164 04/12/88
4,737,563 06/944,751 04/12/88
4,737,567 06/919,114 04/12/88
4,737,568 06/879,202 04/12/88
4,737,570 06/836,924 04/12/88
4,737,571 06/923,084 04/12/88
4,737,574 06/944,109 04/12/88
4,737,579 06/888,285 04/12/88
4,737,594 06/511,516 04/12/88
4,737,602 07/019,784 04/12/88
4,737,614 06/923,431 04/12/88
4,737,616 06/862,253 04/12/88
4,737,628 06/862,285 04/12/88
4,737,644 06/793,046 04/12/88
4,737,649 06/903,377 04/12/88
4,737,651 06/824,725 04/12/88
4,737,658 06/893,097 04/12/88
4,737,671 06/878,335 04/12/88
4,737,677 06/928,731 04/12/88
4,737,678 06/893,278 04/12/88
4,737,679 06/826,339 04/12/88
4,737,707 06/834,308 04/12/88
4,737,714 07/064,702 04/12/88
4,737,724 06/864,861 04/12/88
4,737,727 07/013,816 04/12/88
4,737,730 06/887,306 04/12/88
4,737,737 06/888,565 04/12/88
4,737,742 06/941,414 04/12/88
4,737,752 06/895,207 04/12/88
4,737,755 06/879,699 04/12/88
4,737,758 06/781,024 04/12/88
4,737,769 06/815,946 04/12/88
4,737,775 06/806,675 04/12/88
4,737,779 06/645,213 04/12/88
4,737,780 06/533,003 04/12/88
4,737,783 06/496,395 04/12/88
4,737,792 06/876,554 04/12/88
4,737,797 06/878,898 04/12/88
4,737,799 06/920,839 04/12/88
4,737,823 06/918,752 04/12/88
4,737,831 06/906,692 04/12/88
4,737,836 06/842,062 04/12/88
4,737,840 06/872,998 04/12/88
4,737,843 06/947,294 04/12/88
4,737,845 06/896,864 04/12/88
4,737,846 07/054,923 04/12/88
4,737,850 06/793,734 04/12/88
4,737,858 06/867,230 04/12/88
4,737,862 06/554,106 04/12/88
4,737,863 06/758,702 04/12/88
4,737,868 06/915,229 04/12/88
4,737,869 06/841,820 04/12/88
4,737,877 06/861,655 04/12/88
4,737,879 06/864,210 04/12/88
4,737,880 06/917,448 04/12/88
4,737,885 06/821,919 04/12/88
4,737,890 07/010,470 04/12/88
4,737,891 06/931,541 04/12/88
4,737,892 06/885,690 04/12/88
4,737,902 07/015,354 04/12/88
4,737,906 06/781,437 04/12/88
4,737,911 06/742,411 04/12/88
4,737,925 06/805,661 04/12/88
4,737,931 06/716,241 04/12/88
4,737,938 06/829,240 04/12/88
4,737,942 07/037,152 04/12/88
4,737,945 06/894,521 04/12/88
4,737,946 06/772,162 04/12/88
4,737,949 06/916,587 04/12/88
4,737,950 06/739,941 04/12/88
4,737,951 06/921,981 04/12/88
4,737,956 06/895,250 04/12/88
4,737,959 06/772,789 04/12/88
4,737,962 06/734,091 04/12/88
4,737,977 06/939,885 04/12/88
4,737,982 06/931,245 04/12/88
4,737,989 07/024,001 04/12/88
4,737,991 06/861,184 04/12/88
PATENTS WHICH EXPIRED ON April 7, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,101,517 07/549,110 04/07/92
5,101,519 07/609,085 04/07/92
5,101,522 07/560,046 04/07/92
5,101,532 07/291,344 04/07/92
5,101,533 07/419,918 04/07/92
5,101,534 07/662,363 04/07/92
5,101,539 07/593,662 04/07/92
5,101,541 07/742,003 04/07/92
5,101,542 07/503,625 04/07/92
5,101,556 07/628,966 04/07/92
5,101,560 07/564,898 04/07/92
5,101,564 07/731,497 04/07/92
5,101,566 07/619,756 04/07/92
5,101,567 07/722,159 04/07/92
5,101,568 07/672,494 04/07/92
5,101,572 07/623,221 04/07/92
5,101,577 07/431,961 04/07/92
5,101,586 07/535,968 04/07/92
5,101,587 07/537,694 04/07/92
5,101,592 07/636,724 04/07/92
5,101,593 07/496,629 04/07/92
5,101,595 07/722,252 04/07/92
5,101,596 07/687,138 04/07/92
5,101,599 07/709,283 04/07/92
5,101,603 07/292,158 04/07/92
5,101,606 07/415,897 04/07/92
5,101,608 07/624,655 04/07/92
5,101,613 07/526,293 04/07/92
5,101,618 07/673,143 04/07/92
5,101,625 07/615,698 04/07/92
5,101,628 07/688,431 04/07/92
5,101,635 07/675,815 04/07/92
5,101,636 07/633,903 04/07/92
5,101,637 07/651,480 04/07/92
5,101,649 07/431,034 04/07/92
5,101,650 07/517,266 04/07/92
5,101,651 07/660,191 04/07/92
5,101,652 07/558,044 04/07/92
5,101,656 07/544,555 04/07/92
5,101,659 07/678,829 04/07/92
5,101,664 07/597,141 04/07/92
5,101,666 07/518,421 04/07/92
5,101,667 07/502,529 04/07/92
5,101,668 07/636,681 04/07/92
5,101,670 07/591,550 04/07/92
5,101,674 07/518,211 04/07/92
5,101,678 07/663,754 04/07/92
5,101,680 07/732,890 04/07/92
5,101,688 07/710,363 04/07/92
5,101,693 07/740,224 04/07/92
5,101,694 07/200,495 04/07/92
5,101,696 07/570,165 04/07/92
5,101,697 07/499,062 04/07/92
5,101,699 07/545,514 04/07/92
5,101,700 07/384,599 04/07/92
5,101,701 07/678,591 04/07/92
5,101,706 07/468,289 04/07/92
5,101,714 07/477,895 04/07/92
5,101,718 07/515,411 04/07/92
5,101,719 07/640,222 04/07/92
5,101,725 07/498,086 04/07/92
5,101,728 06/552,889 04/07/92
5,101,730 07/552,118 04/07/92
5,101,748 07/332,645 04/07/92
5,101,752 07/651,195 04/07/92
5,101,763 07/216,848 04/07/92
5,101,769 07/613,541 04/07/92
5,101,772 07/601,341 04/07/92
5,101,776 07/669,416 04/07/92
5,101,782 07/474,019 04/07/92
5,101,783 07/648,811 04/07/92
5,101,785 07/662,480 04/07/92
5,101,790 07/596,300 04/07/92
5,101,791 07/628,230 04/07/92
5,101,792 07/599,984 04/07/92
5,101,793 07/606,529 04/07/92
5,101,794 07/733,337 04/07/92
5,101,795 07/549,012 04/07/92
5,101,798 07/731,966 04/07/92
5,101,808 07/571,369 04/07/92
5,101,810 07/508,543 04/07/92
5,101,811 07/627,879 04/07/92
5,101,818 07/572,872 04/07/92
5,101,819 07/728,603 04/07/92
5,101,822 07/502,779 04/07/92
5,101,825 07/368,636 04/07/92
5,101,853 07/489,351 04/07/92
5,101,854 07/549,935 04/07/92
5,101,862 07/742,114 04/07/92
5,101,870 07/693,426 04/07/92
5,101,871 07/586,006 04/07/92
5,101,872 07/694,631 04/07/92
5,101,875 07/649,491 04/07/92
5,101,881 07/686,236 04/07/92
5,101,888 07/620,990 04/07/92
5,101,889 07/615,241 04/07/92
5,101,895 07/632,251 04/07/92
5,101,911 07/672,380 04/07/92
5,101,925 07/672,471 04/07/92
5,101,927 07/591,963 04/07/92
5,101,930 07/574,186 04/07/92
5,101,932 07/709,704 04/07/92
5,101,935 07/633,091 04/07/92
5,101,937 07/709,731 04/07/92
5,101,938 07/595,195 04/07/92
5,101,943 07/621,159 04/07/92
5,101,944 07/585,306 04/07/92
5,101,947 07/504,329 04/07/92
5,101,948 07/623,281 04/07/92
5,101,952 07/663,306 04/07/92
5,101,956 07/652,042 04/07/92
5,101,961 07/745,738 04/07/92
5,101,968 07/696,611 04/07/92
5,101,978 07/441,781 04/07/92
5,101,979 07/376,867 04/07/92
5,101,987 07/784,878 04/07/92
5,101,988 07/276,925 04/07/92
5,101,993 07/521,697 04/07/92
5,101,997 07/595,208 04/07/92
5,102,001 07/634,611 04/07/92
5,102,008 07/414,960 04/07/92
5,102,014 07/522,028 04/07/92
5,102,015 07/490,359 04/07/92
5,102,020 07/460,468 04/07/92
5,102,027 07/682,576 04/07/92
5,102,028 07/725,415 04/07/92
5,102,038 07/361,852 04/07/92
5,102,041 07/631,692 04/07/92
5,102,043 07/661,709 04/07/92
5,102,044 07/655,219 04/07/92
5,102,054 07/521,274 04/07/92
5,102,056 07/572,489 04/07/92
5,102,062 07/672,062 04/07/92
5,102,074 07/614,916 04/07/92
5,102,076 07/549,914 04/07/92
5,102,077 07/613,994 04/07/92
5,102,081 07/670,346 04/07/92
5,102,089 07/498,035 04/07/92
5,102,090 07/694,598 04/07/92
5,102,094 07/647,913 04/07/92
5,102,100 07/631,870 04/07/92
5,102,102 07/584,380 04/07/92
5,102,103 07/498,431 04/07/92
5,102,106 07/617,031 04/07/92
5,102,108 07/664,060 04/07/92
5,102,110 07/404,863 04/07/92
5,102,111 07/620,837 04/07/92
5,102,113 07/689,291 04/07/92
5,102,114 07/627,836 04/07/92
5,102,119 07/476,801 04/07/92
5,102,123 07/518,552 04/07/92
5,102,124 07/603,060 04/07/92
5,102,130 07/704,028 04/07/92
5,102,132 07/689,639 04/07/92
5,102,133 07/654,421 04/07/92
5,102,134 07/476,048 04/07/92
5,102,135 07/608,633 04/07/92
5,102,137 07/589,576 04/07/92
5,102,142 07/680,731 04/07/92
5,102,143 07/451,452 04/07/92
5,102,146 07/732,055 04/07/92
5,102,147 07/638,749 04/07/92
5,102,149 07/567,353 04/07/92
5,102,157 07/627,031 04/07/92
5,102,162 07/602,140 04/07/92
5,102,164 07/553,388 04/07/92
5,102,166 07/615,284 04/07/92
5,102,179 07/690,280 04/07/92
5,102,183 07/706,367 04/07/92
5,102,184 07/645,493 04/07/92
5,102,186 07/522,955 04/07/92
5,102,188 07/456,692 04/07/92
5,102,190 07/553,573 04/07/92
5,102,197 07/612,112 04/07/92
5,102,209 07/688,981 04/07/92
5,102,228 07/405,530 04/07/92
5,102,232 07/721,134 04/07/92
5,102,234 07/675,540 04/07/92
5,102,236 07/755,060 04/07/92
5,102,237 07/572,015 04/07/92
5,102,238 07/723,211 04/07/92
5,102,240 07/608,358 04/07/92
5,102,246 07/715,612 04/07/92
5,102,248 07/604,359 04/07/92
5,102,250 07/538,327 04/07/92
5,102,259 07/686,231 04/07/92
5,102,265 07/650,229 04/07/92
5,102,273 07/660,764 04/07/92
5,102,275 07/604,920 04/07/92
5,102,276 07/551,331 04/07/92
5,102,278 07/509,715 04/07/92
5,102,279 07/357,123 04/07/92
5,102,288 07/598,000 04/07/92
5,102,289 07/351,762 04/07/92
5,102,290 07/626,339 04/07/92
5,102,292 07/726,291 04/07/92
5,102,297 07/564,476 04/07/92
5,102,300 07/255,815 04/07/92
5,102,303 07/613,648 04/07/92
5,102,306 07/521,303 04/07/92
5,102,307 07/577,237 04/07/92
5,102,308 07/581,982 04/07/92
5,102,311 07/433,255 04/07/92
5,102,317 07/681,744 04/07/92
5,102,320 07/537,306 04/07/92
5,102,321 07/704,185 04/07/92
5,102,332 07/660,720 04/07/92
5,102,341 07/556,739 04/07/92
5,102,345 07/712,498 04/07/92
5,102,346 07/749,464 04/07/92
5,102,355 07/632,788 04/07/92
5,102,356 07/705,478 04/07/92
5,102,360 07/544,612 04/07/92
5,102,362 07/694,243 04/07/92
5,102,364 07/467,362 04/07/92
5,102,367 07/653,025 04/07/92
5,102,368 07/667,189 04/07/92
5,102,375 07/700,315 04/07/92
5,102,381 07/726,398 04/07/92
5,102,383 07/695,649 04/07/92
5,102,387 07/697,676 04/07/92
5,102,391 07/479,349 04/07/92
5,102,405 07/563,791 04/07/92
5,102,408 07/514,588 04/07/92
5,102,414 07/447,641 04/07/92
5,102,418 07/661,693 04/07/92
5,102,423 07/335,925 04/07/92
5,102,424 07/546,580 04/07/92
5,102,428 07/424,421 04/07/92
5,102,437 07/742,528 04/07/92
5,102,442 07/624,489 04/07/92
5,102,443 07/351,958 04/07/92
5,102,451 07/610,572 04/07/92
5,102,452 07/523,212 04/07/92
5,102,456 07/618,769 04/07/92
5,102,469 07/661,307 04/07/92
5,102,475 07/592,838 04/07/92
5,102,477 07/759,189 04/07/92
5,102,478 07/748,180 04/07/92
5,102,481 07/658,548 04/07/92
5,102,483 07/482,818 04/07/92
5,102,485 07/594,536 04/07/92
5,102,486 07/639,193 04/07/92
5,102,493 07/471,527 04/07/92
5,102,503 07/389,577 04/07/92
5,102,512 07/620,387 04/07/92
5,102,515 07/556,170 04/07/92
5,102,516 07/587,280 04/07/92
5,102,519 07/522,789 04/07/92
5,102,523 07/603,795 04/07/92
5,102,524 07/477,903 04/07/92
5,102,525 07/625,014 04/07/92
5,102,528 07/650,146 04/07/92
5,102,533 07/741,672 04/07/92
5,102,538 07/585,317 04/07/92
5,102,540 07/568,992 04/07/92
5,102,545 07/526,756 04/07/92
5,102,547 07/718,580 04/07/92
5,102,555 07/661,573 04/07/92
5,102,556 07/502,287 04/07/92
5,102,562 07/529,977 04/07/92
5,102,568 07/152,682 04/07/92
5,102,570 07/636,478 04/07/92
5,102,574 07/482,468 04/07/92
5,102,580 07/705,839 04/07/92
5,102,582 07/583,269 04/07/92
5,102,583 07/625,520 04/07/92
5,102,584 07/597,680 04/07/92
5,102,586 07/425,749 04/07/92
5,102,590 07/423,605 04/07/92
5,102,593 07/531,899 04/07/92
5,102,596 07/620,402 04/07/92
5,102,601 07/286,243 04/07/92
5,102,602 07/532,877 04/07/92
5,102,608 07/635,314 04/07/92
5,102,618 07/497,073 04/07/92
5,102,620 07/531,601 04/07/92
5,102,621 07/633,409 04/07/92
5,102,626 07/258,487 04/07/92
5,102,632 07/632,160 04/07/92
5,102,633 07/703,211 04/07/92
5,102,635 07/244,180 04/07/92
5,102,637 07/597,254 04/07/92
5,102,651 07/459,066 04/07/92
5,102,654 07/710,486 04/07/92
5,102,663 07/259,182 04/07/92
5,102,667 07/616,262 04/07/92
5,102,668 07/593,768 04/07/92
5,102,669 07/318,069 04/07/92
5,102,673 07/602,588 04/07/92
5,102,674 07/739,916 04/07/92
5,102,675 07/636,201 04/07/92
5,102,688 07/695,327 04/07/92
5,102,692 07/559,281 04/07/92
5,102,698 07/451,738 04/07/92
5,102,718 07/562,516 04/07/92
5,102,720 07/410,825 04/07/92
5,102,721 07/406,595 04/07/92
5,102,722 07/489,644 04/07/92
5,102,724 07/315,891 04/07/92
5,102,729 07/715,737 04/07/92
5,102,740 07/633,002 04/07/92
5,102,746 07/078,622 04/07/92
5,102,753 07/618,034 04/07/92
5,102,754 07/515,622 04/07/92
5,102,758 07/734,984 04/07/92
5,102,772 07/727,935 04/07/92
5,102,775 07/413,677 04/07/92
5,102,776 07/433,896 04/07/92
5,102,784 07/519,146 04/07/92
5,102,793 07/237,110 04/07/92
5,102,798 07/241,607 04/07/92
5,102,799 07/267,373 04/07/92
5,102,802 07/636,686 04/07/92
5,102,808 07/234,073 04/07/92
5,102,816 07/679,160 04/07/92
5,102,822 07/601,411 04/07/92
5,102,825 07/676,486 04/07/92
5,102,834 07/615,533 04/07/92
5,102,835 07/622,638 04/07/92
5,102,837 07/583,593 04/07/92
5,102,838 07/545,852 04/07/92
5,102,839 07/637,936 04/07/92
5,102,840 07/664,238 04/07/92
5,102,854 07/666,308 04/07/92
5,102,855 07/554,810 04/07/92
5,102,861 07/534,273 04/07/92
5,102,863 07/671,231 04/07/92
5,102,864 07/580,407 04/07/92
5,102,877 07/508,167 04/07/92
5,102,885 07/616,136 04/07/92
5,102,892 07/486,824 04/07/92
5,102,894 07/623,868 04/07/92
5,102,896 07/536,275 04/07/92
5,102,898 07/697,655 04/07/92
5,102,900 07/588,871 04/07/92
5,102,902 07/517,082 04/07/92
5,102,903 07/521,553 04/07/92
5,102,914 07/455,909 04/07/92
5,102,917 07/586,102 04/07/92
5,102,922 07/445,058 04/07/92
5,102,927 07/686,273 04/07/92
5,102,931 07/556,309 04/07/92
5,102,945 07/612,657 04/07/92
5,102,947 07/493,249 04/07/92
5,102,951 07/754,576 04/07/92
5,102,953 07/713,553 04/07/92
5,102,957 07/511,467 04/07/92
5,102,959 07/487,563 04/07/92
5,102,962 07/499,701 04/07/92
5,102,970 07/738,623 04/07/92
5,102,973 07/593,739 04/07/92
5,102,976 07/677,046 04/07/92
5,102,982 07/591,057 04/07/92
5,102,992 07/569,550 04/07/92
5,102,993 07/605,937 04/07/92
5,102,996 07/053,320 04/07/92
5,102,997 07/463,773 04/07/92
5,103,003 07/501,038 04/07/92
5,103,008 07/684,126 04/07/92
5,103,016 07/678,776 04/07/92
5,103,019 07/518,086 04/07/92
5,103,021 07/080,503 04/07/92
5,103,023 07/529,792 04/07/92
5,103,025 07/608,442 04/07/92
5,103,027 07/734,396 04/07/92
5,103,036 07/699,047 04/07/92
5,103,042 07/527,999 04/07/92
5,103,050 07/515,041 04/07/92
5,103,055 07/521,615 04/07/92
5,103,061 07/571,652 04/07/92
5,103,064 07/578,591 04/07/92
5,103,066 07/624,824 04/07/92
5,103,071 07/277,362 04/07/92
5,103,073 07/350,625 04/07/92
5,103,076 07/612,453 04/07/92
5,103,078 07/615,036 04/07/92
5,103,082 07/551,910 04/07/92
5,103,087 07/501,543 04/07/92
5,103,097 07/569,006 04/07/92
5,103,099 07/598,974 04/07/92
5,103,110 07/424,542 04/07/92
5,103,114 07/495,465 04/07/92
5,103,126 07/638,923 04/07/92
5,103,131 07/595,133 04/07/92
5,103,145 07/578,717 04/07/92
5,103,150 07/646,717 04/07/92
5,103,153 07/266,535 04/07/92
5,103,155 07/619,951 04/07/92
5,103,161 07/547,748 04/07/92
5,103,163 07/599,293 04/07/92
5,103,173 07/663,661 04/07/92
5,103,176 07/601,280 04/07/92
5,103,178 07/580,082 04/07/92
5,103,183 07/471,152 04/07/92
5,103,186 07/643,315 04/07/92
5,103,193 07/587,145 04/07/92
5,103,204 07/393,412 04/07/92
5,103,209 07/674,426 04/07/92
5,103,213 07/543,041 04/07/92
5,103,219 07/414,806 04/07/92
5,103,220 07/526,005 04/07/92
5,103,232 07/687,267 04/07/92
5,103,233 07/686,051 04/07/92
5,103,235 07/292,361 04/07/92
5,103,238 07/651,055 04/07/92
5,103,243 07/473,298 04/07/92
5,103,261 07/553,966 04/07/92
5,103,285 07/286,611 04/07/92
5,103,295 07/513,813 04/07/92
5,103,305 07/589,782 04/07/92
5,103,312 07/458,929 04/07/92
5,103,315 07/495,234 04/07/92
5,103,321 07/283,823 04/07/92
5,103,324 07/526,661 04/07/92
5,103,329 07/687,463 04/07/92
5,103,350 07/472,312 04/07/92
5,103,352 07/369,742 04/07/92
5,103,361 07/470,682 04/07/92
5,103,362 07/492,689 04/07/92
5,103,363 07/480,043 04/07/92
5,103,364 07/463,452 04/07/92
5,103,381 07/639,571 04/07/92
5,103,382 07/614,003 04/07/92
5,103,388 07/760,796 04/07/92
5,103,397 07/505,472 04/07/92
5,103,406 07/539,722 04/07/92
5,103,421 07/277,251 04/07/92
5,103,422 07/277,139 04/07/92
5,103,424 07/498,882 04/07/92
5,103,427 07/527,197 04/07/92
5,103,431 07/636,053 04/07/92
5,103,432 07/639,843 04/07/92
5,103,436 07/355,259 04/07/92
5,103,442 07/387,340 04/07/92
5,103,448 07/494,103 04/07/92
5,103,458 07/667,148 04/07/92
5,103,482 07/611,465 04/07/92
5,103,483 07/532,455 04/07/92
5,103,491 07/566,460 04/07/92
5,103,496 07/722,413 04/07/92
PATENTS WHICH EXPIRED ON April 9, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,504,942 08/176,076 04/09/96
5,504,943 08/254,291 04/09/96
5,504,947 08/423,775 04/09/96
5,504,948 08/253,136 04/09/96
5,504,952 08/179,279 04/09/96
5,504,953 08/308,139 04/09/96
5,504,957 08/444,544 04/09/96
5,504,961 08/288,742 04/09/96
5,504,963 08/231,040 04/09/96
5,504,964 07/994,258 04/09/96
5,504,969 08/314,784 04/09/96
5,504,974 08/335,464 04/09/96
5,504,975 08/417,806 04/09/96
5,504,982 08/266,611 04/09/96
5,504,984 08/165,929 04/09/96
5,504,988 08/245,497 04/09/96
5,504,991 08/374,973 04/09/96
5,504,994 08/230,680 04/09/96
5,504,997 08/324,669 04/09/96
5,504,998 08/303,686 04/09/96
5,505,000 08/298,137 04/09/96
5,505,001 08/362,017 04/09/96
5,505,014 08/209,244 04/09/96
5,505,018 08/179,087 04/09/96
5,505,026 08/387,276 04/09/96
5,505,031 08/238,757 04/09/96
5,505,039 07/659,362 04/09/96
5,505,041 08/423,835 04/09/96
5,505,053 08/351,834 04/09/96
5,505,058 08/362,765 04/09/96
5,505,061 08/308,941 04/09/96
5,505,064 08/377,810 04/09/96
5,505,067 08/271,419 04/09/96
5,505,068 08/217,924 04/09/96
5,505,073 08/279,038 04/09/96
5,505,076 08/375,923 04/09/96
5,505,082 08/382,401 04/09/96
5,505,083 08/328,427 04/09/96
5,505,097 08/104,074 04/09/96
5,505,099 08/315,617 04/09/96
5,505,105 08/390,663 04/09/96
5,505,109 08/233,519 04/09/96
5,505,114 08/238,436 04/09/96
5,505,117 07/931,581 04/09/96
5,505,119 08/339,506 04/09/96
5,505,129 08/433,117 04/09/96
5,505,133 08/294,276 04/09/96
5,505,141 08/394,271 04/09/96
5,505,142 08/251,355 04/09/96
5,505,148 08/163,461 04/09/96
5,505,152 08/443,714 04/09/96
5,505,158 08/334,088 04/09/96
5,505,159 08/341,530 04/09/96
5,505,162 08/375,581 04/09/96
5,505,168 08/323,911 04/09/96
5,505,170 08/319,294 04/09/96
5,505,177 08/307,565 04/09/96
5,505,186 08/187,642 04/09/96
5,505,188 08/210,010 04/09/96
5,505,190 08/391,443 04/09/96
5,505,221 08/399,064 04/09/96
5,505,223 08/185,877 04/09/96
5,505,226 08/391,383 04/09/96
5,505,229 08/090,500 04/09/96
5,505,234 08/275,987 04/09/96
5,505,235 08/199,719 04/09/96
5,505,237 08/224,298 04/09/96
5,505,241 08/333,551 04/09/96
5,505,255 08/085,416 04/09/96
5,505,263 08/134,360 04/09/96
5,505,265 08/276,427 04/09/96
5,505,273 08/185,645 04/09/96
5,505,275 08/322,448 04/09/96
5,505,276 08/326,593 04/09/96
5,505,280 08/146,667 04/09/96
5,505,281 08/407,669 04/09/96
5,505,282 08/301,341 04/09/96
5,505,290 08/323,249 04/09/96
5,505,295 08/317,414 04/09/96
5,505,296 08/419,437 04/09/96
5,505,300 08/410,913 04/09/96
5,505,301 08/407,941 04/09/96
5,505,302 08/322,467 04/09/96
5,505,303 08/349,602 04/09/96
5,505,307 08/244,956 04/09/96
5,505,310 08/244,254 04/09/96
5,505,317 08/248,719 04/09/96
5,505,319 08/169,502 04/09/96
5,505,327 08/403,221 04/09/96
5,505,328 08/325,537 04/09/96
5,505,333 08/291,777 04/09/96
5,505,334 08/340,718 04/09/96
5,505,337 08/330,246 04/09/96
5,505,340 08/293,045 04/09/96
5,505,342 08/357,992 04/09/96
5,505,345 08/258,451 04/09/96
5,505,356 08/118,529 04/09/96
5,505,358 08/324,719 04/09/96
5,505,379 08/412,009 04/09/96
5,505,380 08/305,360 04/09/96
5,505,390 08/261,158 04/09/96
5,505,391 08/189,578 04/09/96
5,505,393 08/249,794 04/09/96
5,505,396 08/305,689 04/09/96
5,505,397 08/279,341 04/09/96
5,505,398 08/039,097 04/09/96
5,505,404 08/372,341 04/09/96
5,505,415 08/196,133 04/09/96
5,505,416 08/261,779 04/09/96
5,505,420 08/310,312 04/09/96
5,505,422 08/252,725 04/09/96
5,505,424 08/285,999 04/09/96
5,505,425 08/173,824 04/09/96
5,505,430 08/285,275 04/09/96
5,505,435 08/309,128 04/09/96
5,505,438 08/347,543 04/09/96
5,505,440 08/264,302 04/09/96
5,505,443 08/509,430 04/09/96
5,505,444 08/417,000 04/09/96
5,505,445 08/427,092 04/09/96
5,505,446 08/351,732 04/09/96
5,505,448 08/346,373 04/09/96
5,505,451 08/346,686 04/09/96
5,505,452 08/019,318 04/09/96
5,505,454 08/416,055 04/09/96
5,505,456 08/227,767 04/09/96
5,505,458 08/382,445 04/09/96
5,505,460 08/302,878 04/09/96
5,505,461 08/229,729 04/09/96
5,505,462 08/371,763 04/09/96
5,505,467 08/293,281 04/09/96
5,505,471 08/303,028 04/09/96
5,505,472 08/282,301 04/09/96
5,505,474 08/434,714 04/09/96
5,505,475 08/350,690 04/09/96
5,505,500 08/392,190 04/09/96
5,505,501 08/252,355 04/09/96
5,505,504 08/347,205 04/09/96
5,505,505 08/254,362 04/09/96
5,505,509 08/222,476 04/09/96
5,505,510 08/368,008 04/09/96
5,505,515 08/196,659 04/09/96
5,505,523 08/388,313 04/09/96
5,505,542 08/266,197 04/09/96
5,505,548 08/528,596 04/09/96
5,505,559 08/287,201 04/09/96
5,505,561 08/184,950 04/09/96
5,505,565 08/266,251 04/09/96
5,505,572 08/390,238 04/09/96
5,505,573 08/365,692 04/09/96
5,505,578 08/446,951 04/09/96
5,505,590 08/233,252 04/09/96
5,505,592 08/396,699 04/09/96
5,505,603 08/192,731 04/09/96
5,505,604 08/283,306 04/09/96
5,505,606 08/190,120 04/09/96
5,505,614 08/294,217 04/09/96
5,505,626 08/299,222 04/09/96
5,505,637 08/304,327 04/09/96
5,505,642 08/423,028 04/09/96
5,505,652 08/406,371 04/09/96
5,505,659 08/232,150 04/09/96
5,505,662 08/155,389 04/09/96
5,505,664 08/306,303 04/09/96
5,505,669 08/269,038 04/09/96
5,505,677 08/102,062 04/09/96
5,505,679 08/177,086 04/09/96
5,505,681 08/489,797 04/09/96
5,505,690 08/368,098 04/09/96
5,505,691 08/166,847 04/09/96
5,505,692 08/266,280 04/09/96
5,505,695 08/421,467 04/09/96
5,505,702 08/442,081 04/09/96
5,505,703 08/139,191 04/09/96
5,505,705 08/104,080 04/09/96
5,505,708 08/229,182 04/09/96
5,505,712 08/226,979 04/09/96
5,505,721 08/122,930 04/09/96
5,505,729 08/005,209 04/09/96
5,505,739 08/292,844 04/09/96
5,505,740 08/119,506 04/09/96
5,505,743 08/327,417 04/09/96
5,505,744 08/287,928 04/09/96
5,505,754 08/030,267 04/09/96
5,505,755 08/394,636 04/09/96
5,505,758 08/227,078 04/09/96
5,505,762 08/133,162 04/09/96
5,505,767 08/254,640 04/09/96
5,505,768 08/320,951 04/09/96
5,505,776 08/248,750 04/09/96
5,505,778 07/730,078 04/09/96
5,505,790 08/303,803 04/09/96
5,505,792 08/166,484 04/09/96
5,505,794 08/246,076 04/09/96
5,505,795 08/114,935 04/09/96
5,505,801 08/363,949 04/09/96
5,505,814 08/282,786 04/09/96
5,505,815 08/268,518 04/09/96
5,505,817 08/139,236 04/09/96
5,505,827 08/155,873 04/09/96
5,505,829 08/002,352 04/09/96
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