Notice of Expiration of Patents
Due to Failure to Pay Maintenance Fee
35 U.S.C. 41 and 37 CFR 1.362(g) provide that if the required
maintenance fee and any applicable surcharge are not paid in a patent
requiring such payment, the patent will expire at the end of the 4th, 8th
or 12th anniversary of the grant of the patent depending on the first
maintenance fee which was not paid.
According to the records of the Office, the patents listed below have
expired due to failure to pay the required maintenance fee and any
applicable surcharge.
PATENTS WHICH EXPIRED ON March 22, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
4,731,882 06/890,149 03/22/88
4,731,883 07/002,943 03/22/88
4,731,891 06/749,894 03/22/88
4,731,893 06/805,603 03/22/88
4,731,894 06/862,614 03/22/88
4,731,897 07/032,871 03/22/88
4,731,898 06/908,352 03/22/88
4,731,905 06/858,583 03/22/88
4,731,914 06/936,316 03/22/88
4,731,919 06/924,236 03/22/88
4,731,923 07/023,117 03/22/88
4,731,930 07/068,666 03/22/88
4,731,938 07/052,759 03/22/88
4,731,945 06/905,620 03/22/88
4,731,946 06/706,044 03/22/88
4,731,953 06/825,984 03/22/88
4,731,956 06/922,084 03/22/88
4,731,968 06/906,621 03/22/88
4,731,974 06/878,126 03/22/88
4,731,975 07/043,555 03/22/88
4,731,988 06/948,250 03/22/88
4,731,990 06/948,033 03/22/88
4,731,991 06/895,619 03/22/88
4,731,996 06/649,246 03/22/88
4,732,006 07/012,787 03/22/88
4,732,015 06/790,443 03/22/88
4,732,025 07/053,084 03/22/88
4,732,026 06/838,502 03/22/88
4,732,033 06/912,332 03/22/88
4,732,044 06/908,480 03/22/88
4,732,045 07/015,984 03/22/88
4,732,049 06/872,361 03/22/88
4,732,050 07/056,888 03/22/88
4,732,054 06/876,216 03/22/88
4,732,067 07/011,109 03/22/88
4,732,077 06/776,812 03/22/88
4,732,079 06/833,105 03/22/88
4,732,084 06/936,968 03/22/88
4,732,085 07/048,381 03/22/88
4,732,087 07/031,284 03/22/88
4,732,091 06/781,465 03/22/88
4,732,092 06/947,866 03/22/88
4,732,095 06/858,954 03/22/88
4,732,099 06/926,532 03/22/88
4,732,112 06/894,533 03/22/88
4,732,114 06/881,925 03/22/88
4,732,119 06/864,205 03/22/88
4,732,121 07/025,726 03/22/88
4,732,124 07/052,418 03/22/88
4,732,125 06/773,003 03/22/88
4,732,130 06/931,621 03/22/88
4,732,140 06/897,613 03/22/88
4,732,145 06/916,702 03/22/88
4,732,146 07/085,191 03/22/88
4,732,149 07/008,043 03/22/88
4,732,158 06/316,065 03/22/88
4,732,165 06/892,137 03/22/88
4,732,166 06/723,415 03/22/88
4,732,170 06/916,804 03/22/88
4,732,172 06/784,928 03/22/88
4,732,180 06/877,131 03/22/88
4,732,183 07/040,331 03/22/88
4,732,194 06/848,879 03/22/88
4,732,205 06/840,764 03/22/88
4,732,215 06/858,754 03/22/88
4,732,220 06/908,967 03/22/88
4,732,222 06/910,488 03/22/88
4,732,230 06/851,100 03/22/88
4,732,232 07/037,385 03/22/88
4,732,234 07/093,959 03/22/88
4,732,247 07/005,719 03/22/88
4,732,249 06/887,322 03/22/88
4,732,271 06/811,815 03/22/88
4,732,278 06/778,612 03/22/88
4,732,281 06/846,391 03/22/88
4,732,282 07/076,780 03/22/88
4,732,290 06/860,599 03/22/88
4,732,293 06/927,337 03/22/88
4,732,311 07/008,041 03/22/88
4,732,322 06/877,290 03/22/88
4,732,324 06/683,675 03/22/88
4,732,325 06/920,088 03/22/88
4,732,335 06/882,967 03/22/88
4,732,336 06/882,341 03/22/88
4,732,339 06/866,365 03/22/88
4,732,342 07/043,356 03/22/88
4,732,343 07/054,952 03/22/88
4,732,344 06/878,041 03/22/88
4,732,346 06/883,646 03/22/88
4,732,347 06/412,880 03/22/88
4,732,348 06/912,114 03/22/88
4,732,350 06/795,890 03/22/88
4,732,360 07/011,297 03/22/88
4,732,363 07/001,360 03/22/88
4,732,366 06/934,962 03/22/88
4,732,371 07/075,233 03/22/88
4,732,374 06/889,221 03/22/88
4,732,386 06/831,470 03/22/88
4,732,389 06/934,593 03/22/88
4,732,390 06/929,760 03/22/88
4,732,395 07/061,120 03/22/88
4,732,398 06/741,272 03/22/88
4,732,402 06/905,660 03/22/88
4,732,407 07/056,872 03/22/88
4,732,413 06/897,330 03/22/88
4,732,414 07/015,414 03/22/88
4,732,415 06/901,855 03/22/88
4,732,420 07/032,239 03/22/88
4,732,422 06/888,617 03/22/88
4,732,461 06/922,708 03/22/88
4,732,466 06/719,779 03/22/88
4,732,467 06/883,358 03/22/88
4,732,499 07/077,080 03/22/88
4,732,505 06/836,483 03/22/88
4,732,512 06/749,719 03/22/88
4,732,514 06/914,148 03/22/88
4,732,520 06/877,351 03/22/88
4,732,521 07/040,937 03/22/88
4,732,528 06/918,055 03/22/88
4,732,529 07/031,193 03/22/88
4,732,535 06/939,883 03/22/88
4,732,537 07/079,943 03/22/88
4,732,541 06/845,976 03/22/88
4,732,545 06/928,921 03/22/88
4,732,552 06/612,522 03/22/88
4,732,574 06/836,792 03/22/88
4,732,577 07/038,696 03/22/88
4,732,593 06/878,297 03/22/88
4,732,596 07/043,564 03/22/88
4,732,598 06/929,045 03/22/88
4,732,610 06/833,222 03/22/88
4,732,614 06/755,256 03/22/88
4,732,626 07/021,206 03/22/88
4,732,635 06/592,711 03/22/88
4,732,636 06/866,516 03/22/88
4,732,646 07/026,510 03/22/88
4,732,651 06/941,545 03/22/88
4,732,653 06/784,870 03/22/88
4,732,654 07/075,247 03/22/88
4,732,659 06/796,429 03/22/88
4,732,661 06/790,847 03/22/88
4,732,665 07/035,559 03/22/88
4,732,673 06/867,985 03/22/88
4,732,680 06/732,023 03/22/88
4,732,686 06/811,144 03/22/88
4,732,693 06/886,589 03/22/88
4,732,701 06/934,495 03/22/88
4,732,703 07/014,102 03/22/88
4,732,707 07/014,137 03/22/88
4,732,712 07/055,010 03/22/88
4,732,721 06/893,924 03/22/88
4,732,722 06/798,114 03/22/88
4,732,723 06/878,853 03/22/88
4,732,727 06/848,010 03/22/88
4,732,740 06/658,474 03/22/88
4,732,750 06/895,392 03/22/88
4,732,754 06/818,383 03/22/88
4,732,756 06/879,696 03/22/88
4,732,759 06/832,746 03/22/88
4,732,763 06/655,989 03/22/88
4,732,765 06/812,522 03/22/88
4,732,771 06/884,606 03/22/88
4,732,784 06/495,953 03/22/88
4,732,785 06/911,834 03/22/88
4,732,796 06/842,451 03/22/88
4,732,798 06/898,892 03/22/88
4,732,800 06/821,846 03/22/88
4,732,803 06/916,235 03/22/88
4,732,807 06/700,222 03/22/88
4,732,812 06/877,268 03/22/88
4,732,817 06/853,982 03/22/88
4,732,819 06/864,019 03/22/88
4,732,820 06/874,837 03/22/88
4,732,827 06/881,273 03/22/88
4,732,829 06/672,500 03/22/88
4,732,832 06/938,482 03/22/88
4,732,833 07/009,296 03/22/88
4,732,851 06/465,551 03/22/88
4,732,852 06/642,755 03/22/88
4,732,857 06/688,251 03/22/88
4,732,858 06/908,346 03/22/88
4,732,860 06/822,364 03/22/88
4,732,865 06/915,303 03/22/88
4,732,868 07/031,974 03/22/88
4,732,870 07/084,052 03/22/88
4,732,871 07/031,648 03/22/88
4,732,878 06/912,829 03/22/88
4,732,881 06/911,381 03/22/88
4,732,883 06/833,702 03/22/88
4,732,885 06/848,755 03/22/88
4,732,899 06/934,299 03/22/88
4,732,907 06/889,540 03/22/88
4,732,908 07/023,931 03/22/88
4,732,910 06/843,003 03/22/88
4,732,918 06/724,702 03/22/88
4,732,922 07/019,097 03/22/88
4,732,927 06/941,284 03/22/88
4,732,928 06/909,233 03/22/88
4,732,931 06/917,329 03/22/88
4,732,935 06/901,644 03/22/88
4,732,940 06/808,884 03/22/88
4,732,941 06/879,781 03/22/88
4,732,947 06/936,693 03/22/88
4,732,948 06/936,698 03/22/88
4,732,949 06/828,470 03/22/88
4,732,950 07/012,497 03/22/88
4,732,955 06/912,118 03/22/88
4,732,959 06/797,665 03/22/88
4,732,961 06/909,058 03/22/88
4,732,964 07/018,308 03/22/88
4,732,967 06/905,751 03/22/88
4,732,989 06/919,949 03/22/88
4,733,000 06/842,744 03/22/88
4,733,001 06/267,982 03/22/88
4,733,005 06/936,685 03/22/88
4,733,014 06/498,144 03/22/88
4,733,031 06/860,372 03/22/88
4,733,035 06/884,141 03/22/88
4,733,037 06/941,896 03/22/88
4,733,041 07/019,273 03/22/88
4,733,045 06/938,975 03/22/88
4,733,062 07/027,048 03/22/88
4,733,063 06/941,642 03/22/88
4,733,069 06/829,776 03/22/88
4,733,078 06/899,611 03/22/88
4,733,081 06/873,508 03/22/88
4,733,097 06/865,027 03/22/88
4,733,101 06/930,923 03/22/88
4,733,107 06/883,957 03/22/88
4,733,108 06/392,915 03/22/88
4,733,113 07/011,487 03/22/88
4,733,122 06/923,546 03/22/88
4,733,124 06/807,371 03/22/88
4,733,127 06/742,584 03/22/88
4,733,130 06/799,375 03/22/88
4,733,132 06/845,347 03/22/88
4,733,134 06/865,976 03/22/88
4,733,135 06/860,200 03/22/88
4,733,139 06/831,508 03/22/88
4,733,146 06/942,027 03/22/88
4,733,147 06/875,290 03/22/88
4,733,151 07/055,459 03/22/88
4,733,152 06/838,295 03/22/88
4,733,158 06/898,713 03/22/88
4,733,173 06/792,939 03/22/88
4,733,175 06/813,809 03/22/88
4,733,177 07/011,817 03/22/88
4,733,183 06/673,189 03/22/88
4,733,187 07/023,558 03/22/88
4,733,191 06/928,961 03/22/88
4,733,197 07/016,750 03/22/88
4,733,199 07/012,740 03/22/88
4,733,204 06/843,381 03/22/88
4,733,207 07/062,090 03/22/88
4,733,213 06/925,972 03/22/88
4,733,218 06/888,199 03/22/88
4,733,219 07/019,443 03/22/88
4,733,223 07/031,084 03/22/88
4,733,224 06/933,127 03/22/88
4,733,230 06/769,307 03/22/88
4,733,231 06/734,558 03/22/88
4,733,235 06/665,525 03/22/88
4,733,239 06/583,668 03/22/88
4,733,251 07/069,607 03/22/88
4,733,253 06/882,123 03/22/88
4,733,255 06/858,970 03/22/88
4,733,257 07/049,738 03/22/88
4,733,270 07/045,125 03/22/88
4,733,271 06/814,798 03/22/88
4,733,276 07/012,491 03/22/88
4,733,280 06/921,505 03/22/88
4,733,282 06/765,403 03/22/88
4,733,296 06/829,822 03/22/88
4,733,298 06/797,630 03/22/88
4,733,306 07/010,500 03/22/88
4,733,315 06/782,105 03/22/88
4,733,331 06/908,632 03/22/88
4,733,346 06/763,716 03/22/88
4,733,348 06/739,156 03/22/88
4,733,356 06/808,478 03/22/88
4,733,357 06/753,845 03/22/88
4,733,363 06/883,389 03/22/88
4,733,367 06/795,452 03/22/88
4,733,371 06/900,440 03/22/88
4,733,373 06/824,030 03/22/88
4,733,378 06/871,329 03/22/88
4,733,380 06/686,123 03/22/88
4,733,387 06/905,931 03/22/88
4,733,390 06/904,677 03/22/88
4,733,392 06/719,293 03/22/88
4,733,397 06/765,039 03/22/88
4,733,399 06/856,937 03/22/88
4,733,403 06/861,958 03/22/88
4,733,408 06/914,234 03/22/88
4,733,409 06/802,245 03/22/88
PATENTS WHICH EXPIRED ON March 17, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,095,547 07/714,640 03/17/92
5,095,549 07/619,784 03/17/92
5,095,554 07/696,934 03/17/92
5,095,556 07/569,607 03/17/92
5,095,561 07/697,687 03/17/92
5,095,570 07/698,655 03/17/92
5,095,581 07/714,213 03/17/92
5,095,591 07/591,996 03/17/92
5,095,596 07/584,353 03/17/92
5,095,615 07/540,136 03/17/92
5,095,621 07/688,314 03/17/92
5,095,625 07/441,297 03/17/92
5,095,630 07/626,945 03/17/92
5,095,631 07/609,617 03/17/92
5,095,635 07/629,413 03/17/92
5,095,638 07/593,169 03/17/92
5,095,641 07/745,011 03/17/92
5,095,649 07/598,228 03/17/92
5,095,650 07/457,017 03/17/92
5,095,654 07/741,054 03/17/92
5,095,655 07/689,581 03/17/92
5,095,658 07/635,657 03/17/92
5,095,660 07/604,197 03/17/92
5,095,664 07/472,100 03/17/92
5,095,667 07/611,849 03/17/92
5,095,671 07/545,895 03/17/92
5,095,673 07/521,602 03/17/92
5,095,679 07/130,225 03/17/92
5,095,681 07/590,161 03/17/92
5,095,682 07/663,690 03/17/92
5,095,687 07/696,017 03/17/92
5,095,691 07/618,666 03/17/92
5,095,692 07/554,734 03/17/92
5,095,693 07/702,143 03/17/92
5,095,698 07/559,300 03/17/92
5,095,699 07/694,743 03/17/92
5,095,701 07/674,902 03/17/92
5,095,703 07/488,270 03/17/92
5,095,709 07/545,428 03/17/92
5,095,718 07/609,645 03/17/92
5,095,719 07/466,112 03/17/92
5,095,720 07/537,798 03/17/92
5,095,722 07/644,225 03/17/92
5,095,723 07/690,488 03/17/92
5,095,727 07/469,777 03/17/92
5,095,729 07/525,089 03/17/92
5,095,731 07/701,804 03/17/92
5,095,733 07/501,985 03/17/92
5,095,734 07/627,712 03/17/92
5,095,745 07/538,825 03/17/92
5,095,767 07/572,204 03/17/92
5,095,774 07/712,747 03/17/92
5,095,775 07/482,761 03/17/92
5,095,776 07/604,135 03/17/92
5,095,780 07/640,724 03/17/92
5,095,782 07/718,989 03/17/92
5,095,788 07/427,331 03/17/92
5,095,789 07/602,244 03/17/92
5,095,791 07/534,039 03/17/92
5,095,803 07/634,523 03/17/92
5,095,804 07/674,888 03/17/92
5,095,811 07/594,105 03/17/92
5,095,812 07/332,326 03/17/92
5,095,814 07/678,581 03/17/92
5,095,818 07/582,559 03/17/92
5,095,826 07/576,507 03/17/92
5,095,831 07/717,371 03/17/92
5,095,842 07/769,180 03/17/92
5,095,844 07/655,560 03/17/92
5,095,845 07/736,610 03/17/92
5,095,846 07/677,996 03/17/92
5,095,848 07/516,734 03/17/92
5,095,850 07/551,083 03/17/92
5,095,862 07/688,294 03/17/92
5,095,867 07/658,029 03/17/92
5,095,872 07/590,828 03/17/92
5,095,878 07/544,598 03/17/92
5,095,885 07/538,819 03/17/92
5,095,891 07/049,517 03/17/92
5,095,892 07/467,345 03/17/92
5,095,894 07/628,640 03/17/92
5,095,898 07/653,638 03/17/92
5,095,900 07/644,017 03/17/92
5,095,906 07/635,374 03/17/92
5,095,908 07/567,493 03/17/92
5,095,916 07/726,463 03/17/92
5,095,918 07/684,643 03/17/92
5,095,922 07/505,339 03/17/92
5,095,923 07/683,636 03/17/92
5,095,924 07/743,707 03/17/92
5,095,925 07/322,293 03/17/92
5,095,928 07/618,493 03/17/92
5,095,931 07/640,627 03/17/92
5,095,935 07/660,893 03/17/92
5,095,936 07/493,130 03/17/92
5,095,939 07/718,304 03/17/92
5,095,943 07/649,434 03/17/92
5,095,965 07/593,911 03/17/92
5,095,971 07/649,007 03/17/92
5,095,977 07/508,026 03/17/92
5,095,983 07/591,906 03/17/92
5,095,991 07/579,031 03/17/92
5,095,997 07/573,614 03/17/92
5,096,001 07/671,253 03/17/92
5,096,009 07/449,470 03/17/92
5,096,014 07/333,870 03/17/92
5,096,015 07/392,974 03/17/92
5,096,020 07/627,572 03/17/92
5,096,024 07/565,062 03/17/92
5,096,025 07/540,370 03/17/92
5,096,028 07/449,030 03/17/92
5,096,032 07/715,534 03/17/92
5,096,040 07/764,877 03/17/92
5,096,047 07/524,758 03/17/92
5,096,051 07/555,237 03/17/92
5,096,060 07/630,524 03/17/92
5,096,062 07/717,575 03/17/92
5,096,066 07/492,312 03/17/92
5,096,078 07/538,159 03/17/92
5,096,085 07/719,318 03/17/92
5,096,092 07/492,996 03/17/92
5,096,095 07/565,272 03/17/92
5,096,101 07/687,661 03/17/92
5,096,104 07/575,340 03/17/92
5,096,110 07/628,058 03/17/92
5,096,112 07/606,929 03/17/92
5,096,128 07/657,443 03/17/92
5,096,131 07/484,834 03/17/92
5,096,132 07/529,906 03/17/92
5,096,147 07/615,496 03/17/92
5,096,148 07/596,006 03/17/92
5,096,155 07/539,587 03/17/92
5,096,165 07/595,587 03/17/92
5,096,167 07/533,555 03/17/92
5,096,169 07/255,586 03/17/92
5,096,172 07/495,726 03/17/92
5,096,173 07/548,754 03/17/92
5,096,185 07/539,875 03/17/92
5,096,189 07/623,786 03/17/92
5,096,191 07/643,895 03/17/92
5,096,196 07/500,878 03/17/92
5,096,198 07/587,239 03/17/92
5,096,202 07/543,812 03/17/92
5,096,208 07/525,908 03/17/92
5,096,214 07/506,223 03/17/92
5,096,215 07/563,871 03/17/92
5,096,224 07/607,535 03/17/92
5,096,225 07/499,685 03/17/92
5,096,226 07/532,587 03/17/92
5,096,243 07/474,995 03/17/92
5,096,249 07/648,040 03/17/92
5,096,251 07/619,922 03/17/92
5,096,254 07/619,965 03/17/92
5,096,256 07/618,622 03/17/92
5,096,258 07/555,435 03/17/92
5,096,262 07/457,804 03/17/92
5,096,264 07/564,244 03/17/92
5,096,270 07/558,475 03/17/92
5,096,272 07/618,932 03/17/92
5,096,273 07/695,408 03/17/92
5,096,275 07/181,055 03/17/92
5,096,278 07/614,136 03/17/92
5,096,281 07/512,575 03/17/92
5,096,293 07/583,834 03/17/92
5,096,301 07/687,928 03/17/92
5,096,304 07/567,374 03/17/92
5,096,308 07/623,038 03/17/92
5,096,313 07/707,900 03/17/92
5,096,317 07/667,867 03/17/92
5,096,325 07/645,978 03/17/92
5,096,326 07/713,440 03/17/92
5,096,329 07/624,900 03/17/92
5,096,330 07/541,378 03/17/92
5,096,332 07/566,837 03/17/92
5,096,335 07/675,616 03/17/92
5,096,344 07/736,383 03/17/92
5,096,345 07/686,989 03/17/92
5,096,348 07/561,167 03/17/92
5,096,354 07/371,540 03/17/92
5,096,358 07/585,336 03/17/92
5,096,362 07/601,879 03/17/92
5,096,366 07/481,106 03/17/92
5,096,370 07/592,211 03/17/92
5,096,371 07/511,396 03/17/92
5,096,375 07/405,374 03/17/92
5,096,380 07/518,592 03/17/92
5,096,382 07/511,050 03/17/92
5,096,384 07/558,710 03/17/92
5,096,387 07/490,414 03/17/92
5,096,392 07/419,714 03/17/92
5,096,393 07/573,833 03/17/92
5,096,394 07/602,787 03/17/92
5,096,396 07/664,814 03/17/92
5,096,403 07/649,167 03/17/92
5,096,412 07/645,973 03/17/92
5,096,416 07/717,164 03/17/92
5,096,417 07/669,653 03/17/92
5,096,418 07/547,966 03/17/92
5,096,421 07/472,072 03/17/92
5,096,426 07/639,982 03/17/92
5,096,432 07/299,919 03/17/92
5,096,440 07/698,682 03/17/92
5,096,451 07/652,520 03/17/92
5,096,454 07/654,525 03/17/92
5,096,455 07/555,026 03/17/92
5,096,461 07/569,692 03/17/92
5,096,463 07/434,013 03/17/92
5,096,465 07/450,047 03/17/92
5,096,466 07/588,104 03/17/92
5,096,474 07/448,081 03/17/92
5,096,486 07/627,061 03/17/92
5,096,488 07/631,652 03/17/92
5,096,496 07/634,997 03/17/92
5,096,497 07/476,372 03/17/92
5,096,498 07/684,531 03/17/92
5,096,504 07/538,622 03/17/92
5,096,508 07/563,766 03/17/92
5,096,518 07/480,764 03/17/92
5,096,525 07/405,778 03/17/92
5,096,526 07/443,155 03/17/92
5,096,529 07/678,754 03/17/92
5,096,537 07/545,050 03/17/92
5,096,541 07/424,117 03/17/92
5,096,552 07/446,453 03/17/92
5,096,555 07/470,380 03/17/92
5,096,564 07/576,115 03/17/92
5,096,565 07/597,048 03/17/92
5,096,570 07/531,722 03/17/92
5,096,571 07/448,963 03/17/92
5,096,575 07/544,801 03/17/92
5,096,577 07/323,022 03/17/92
5,096,578 07/567,509 03/17/92
5,096,584 07/585,230 03/17/92
5,096,585 07/646,977 03/17/92
5,096,591 07/580,955 03/17/92
5,096,593 07/631,735 03/17/92
5,096,594 07/634,096 03/17/92
5,096,610 07/609,675 03/17/92
5,096,612 07/266,737 03/17/92
5,096,615 07/221,490 03/17/92
5,096,619 07/526,956 03/17/92
5,096,622 07/461,902 03/17/92
5,096,624 07/567,402 03/17/92
5,096,627 07/583,668 03/17/92
5,096,631 07/585,056 03/17/92
5,096,632 07/498,416 03/17/92
5,096,636 07/670,525 03/17/92
5,096,645 07/597,490 03/17/92
5,096,650 07/662,488 03/17/92
5,096,659 07/436,194 03/17/92
5,096,660 07/606,924 03/17/92
5,096,661 07/679,426 03/17/92
5,096,662 07/510,076 03/17/92
5,096,666 07/402,032 03/17/92
5,096,674 07/322,466 03/17/92
5,096,685 07/561,235 03/17/92
5,096,691 07/295,311 03/17/92
5,096,696 07/475,359 03/17/92
5,096,700 07/590,427 03/17/92
5,096,703 07/605,786 03/17/92
5,096,708 07/363,257 03/17/92
5,096,711 07/526,776 03/17/92
5,096,712 07/489,445 03/17/92
5,096,713 07/493,114 03/17/92
5,096,726 07/590,851 03/17/92
5,096,727 07/422,780 03/17/92
5,096,733 07/429,033 03/17/92
5,096,738 07/557,521 03/17/92
5,096,739 07/441,163 03/17/92
5,096,740 07/644,586 03/17/92
5,096,742 07/462,257 03/17/92
5,096,743 07/610,324 03/17/92
5,096,749 07/588,862 03/17/92
5,096,758 07/393,600 03/17/92
5,096,763 07/650,584 03/17/92
5,096,766 07/559,479 03/17/92
5,096,767 07/473,170 03/17/92
5,096,775 07/753,447 03/17/92
5,096,780 07/411,948 03/17/92
5,096,782 07/527,331 03/17/92
5,096,785 07/466,918 03/17/92
5,096,787 07/562,477 03/17/92
5,096,789 07/516,488 03/17/92
5,096,794 07/503,474 03/17/92
5,096,796 07/531,337 03/17/92
5,096,800 07/618,387 03/17/92
5,096,802 07/611,270 03/17/92
5,096,826 07/275,837 03/17/92
5,096,832 07/562,463 03/17/92
5,096,834 07/607,855 03/17/92
5,096,841 07/446,069 03/17/92
5,096,849 07/693,136 03/17/92
5,096,851 07/572,331 03/17/92
5,096,855 07/630,719 03/17/92
5,096,857 07/606,079 03/17/92
5,096,863 07/709,795 03/17/92
5,096,865 07/479,402 03/17/92
5,096,869 07/631,648 03/17/92
5,096,878 07/647,216 03/17/92
5,096,887 06/800,070 03/17/92
5,096,888 07/586,905 03/17/92
5,096,896 07/296,418 03/17/92
5,096,897 07/678,563 03/17/92
5,096,902 07/509,473 03/17/92
5,096,904 07/556,230 03/17/92
5,096,916 07/518,716 03/17/92
5,096,917 07/693,101 03/17/92
5,096,918 07/474,935 03/17/92
5,096,919 07/439,731 03/17/92
5,096,928 07/587,596 03/17/92
5,096,931 07/695,090 03/17/92
5,096,942 07/529,286 03/17/92
5,096,947 07/698,235 03/17/92
5,096,952 07/687,383 03/17/92
5,096,956 07/523,411 03/17/92
5,096,959 07/609,024 03/17/92
5,096,966 07/528,411 03/17/92
5,096,967 07/376,727 03/17/92
5,096,971 07/424,693 03/17/92
5,096,974 07/586,829 03/17/92
5,096,977 07/586,931 03/17/92
5,096,978 07/252,323 03/17/92
5,096,980 07/370,747 03/17/92
5,096,982 07/433,585 03/17/92
5,096,985 07/555,940 03/17/92
5,096,989 07/556,374 03/17/92
5,096,990 07/423,113 03/17/92
5,096,996 07/415,887 03/17/92
5,096,999 07/501,169 03/17/92
5,097,003 07/363,573 03/17/92
5,097,011 07/417,459 03/17/92
5,097,012 07/468,582 03/17/92
5,097,013 07/379,025 03/17/92
5,097,019 07/649,552 03/17/92
5,097,024 07/411,823 03/17/92
5,097,029 07/562,983 03/17/92
5,097,030 07/559,635 03/17/92
5,097,035 07/465,627 03/17/92
5,097,036 07/485,360 03/17/92
5,097,037 07/551,795 03/17/92
5,097,038 07/615,780 03/17/92
5,097,039 07/393,612 03/17/92
5,097,041 07/595,917 03/17/92
5,097,047 07/604,559 03/17/92
5,097,056 07/307,892 03/17/92
5,097,076 07/543,941 03/17/92
5,097,078 07/549,148 03/17/92
5,097,082 07/607,754 03/17/92
5,097,085 07/551,969 03/17/92
5,097,087 07/597,267 03/17/92
5,097,089 07/501,366 03/17/92
5,097,097 07/376,190 03/17/92
5,097,106 07/679,139 03/17/92
5,097,120 07/640,084 03/17/92
5,097,127 07/744,834 03/17/92
5,097,129 07/623,636 03/17/92
5,097,133 07/287,860 03/17/92
5,097,144 07/516,612 03/17/92
5,097,145 07/697,985 03/17/92
5,097,150 07/525,058 03/17/92
5,097,156 07/685,590 03/17/92
5,097,162 07/447,962 03/17/92
5,097,167 07/258,127 03/17/92
5,097,176 07/657,014 03/17/92
5,097,180 07/583,962 03/17/92
5,097,182 07/600,395 03/17/92
5,097,183 07/720,676 03/17/92
5,097,191 07/635,622 03/17/92
5,097,193 07/629,585 03/17/92
5,097,196 07/705,230 03/17/92
5,097,199 07/632,675 03/17/92
5,097,204 07/592,560 03/17/92
5,097,206 07/593,703 03/17/92
5,097,217 07/636,780 03/17/92
5,097,219 07/450,233 03/17/92
5,097,221 07/631,582 03/17/92
5,097,224 07/684,020 03/17/92
5,097,231 07/525,160 03/17/92
5,097,232 07/492,420 03/17/92
5,097,234 07/581,698 03/17/92
5,097,243 07/491,393 03/17/92
5,097,247 07/709,683 03/17/92
5,097,256 07/590,395 03/17/92
5,097,259 07/539,405 03/17/92
5,097,263 07/388,862 03/17/92
5,097,265 07/724,085 03/17/92
5,097,266 07/626,433 03/17/92
5,097,272 07/489,483 03/17/92
5,097,289 07/714,199 03/17/92
5,097,290 07/494,324 03/17/92
5,097,298 07/620,455 03/17/92
5,097,315 07/588,943 03/17/92
5,097,326 07/558,680 03/17/92
5,097,329 07/501,098 03/17/92
5,097,333 07/499,350 03/17/92
5,097,337 07/609,505 03/17/92
5,097,353 07/592,365 03/17/92
5,097,357 07/367,536 03/17/92
5,097,361 07/636,871 03/17/92
5,097,379 07/439,001 03/17/92
5,097,385 07/510,756 03/17/92
5,097,402 07/504,350 03/17/92
5,097,404 07/637,825 03/17/92
5,097,410 07/292,399 03/17/92
5,097,418 07/340,137 03/17/92
5,097,422 07/374,485 03/17/92
5,097,424 07/672,000 03/17/92
5,097,434 07/653,757 03/17/92
5,097,457 07/307,924 03/17/92
5,097,460 07/630,683 03/17/92
5,097,465 07/349,553 03/17/92
5,097,468 07/189,773 03/17/92
5,097,484 07/417,559 03/17/92
5,097,493 07/655,006 03/17/92
5,097,504 07/130,534 03/17/92
5,097,514 07/198,419 03/17/92
5,097,517 07/244,425 03/17/92
5,097,521 07/625,855 03/17/92
5,097,524 07/524,733 03/17/92
5,097,526 07/623,291 03/17/92
5,097,527 07/675,803 03/17/92
5,097,530 07/680,213 03/17/92
5,097,532 07/369,454 03/17/92
PATENTS WHICH EXPIRED ON March 19, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,499,401 08/409,163 03/19/96
5,499,403 08/250,022 03/19/96
5,499,405 08/340,604 03/19/96
5,499,411 08/408,500 03/19/96
5,499,417 08/357,612 03/19/96
5,499,420 08/362,542 03/19/96
5,499,422 08/368,854 03/19/96
5,499,426 08/235,667 03/19/96
5,499,430 08/288,016 03/19/96
5,499,431 08/352,511 03/19/96
5,499,432 08/239,562 03/19/96
5,499,449 08/203,561 03/19/96
5,499,452 08/346,984 03/19/96
5,499,454 08/317,207 03/19/96
5,499,458 08/307,020 03/19/96
5,499,463 08/323,637 03/19/96
5,499,466 08/272,838 03/19/96
5,499,467 08/409,415 03/19/96
5,499,473 08/340,596 03/19/96
5,499,474 08/345,927 03/19/96
5,499,481 08/203,388 03/19/96
5,499,492 08/260,755 03/19/96
5,499,493 08/303,011 03/19/96
5,499,503 08/310,568 03/19/96
5,499,512 08/422,690 03/19/96
5,499,517 08/339,793 03/19/96
5,499,518 08/501,663 03/19/96
5,499,525 08/142,490 03/19/96
5,499,528 08/312,259 03/19/96
5,499,532 08/214,565 03/19/96
5,499,533 07/935,860 03/19/96
5,499,534 08/234,826 03/19/96
5,499,536 08/267,806 03/19/96
5,499,541 08/278,667 03/19/96
5,499,544 08/133,349 03/19/96
5,499,549 08/302,614 03/19/96
5,499,553 08/154,058 03/19/96
5,499,557 08/183,837 03/19/96
5,499,559 08/392,325 03/19/96
5,499,560 08/246,757 03/19/96
5,499,563 08/304,442 03/19/96
5,499,576 08/216,937 03/19/96
5,499,583 08/358,164 03/19/96
5,499,584 08/350,458 03/19/96
5,499,587 07/657,103 03/19/96
5,499,588 08/275,077 03/19/96
5,499,599 08/289,100 03/19/96
5,499,605 08/403,204 03/19/96
5,499,610 08/357,852 03/19/96
5,499,611 08/377,970 03/19/96
5,499,618 08/309,071 03/19/96
5,499,634 08/407,573 03/19/96
5,499,638 08/324,768 03/19/96
5,499,640 08/393,729 03/19/96
5,499,643 08/420,248 03/19/96
5,499,645 08/500,801 03/19/96
5,499,646 08/261,114 03/19/96
5,499,662 08/322,000 03/19/96
5,499,671 08/251,903 03/19/96
5,499,683 08/097,977 03/19/96
5,499,685 08/090,371 03/19/96
5,499,689 08/289,878 03/19/96
5,499,697 08/306,405 03/19/96
5,499,699 08/217,650 03/19/96
5,499,700 08/356,009 03/19/96
5,499,705 08/346,299 03/19/96
5,499,710 08/311,564 03/19/96
5,499,713 08/340,597 03/19/96
5,499,715 08/162,587 03/19/96
5,499,722 08/324,227 03/19/96
5,499,725 08/288,483 03/19/96
5,499,727 08/293,176 03/19/96
5,499,730 08/233,490 03/19/96
5,499,731 08/369,395 03/19/96
5,499,735 08/359,750 03/19/96
5,499,739 08/183,452 03/19/96
5,499,740 08/430,237 03/19/96
5,499,742 08/302,174 03/19/96
5,499,747 08/243,217 03/19/96
5,499,749 08/187,633 03/19/96
5,499,750 08/374,034 03/19/96
5,499,751 08/119,113 03/19/96
5,499,759 08/306,419 03/19/96
5,499,760 08/238,698 03/19/96
5,499,767 08/297,541 03/19/96
5,499,769 08/196,216 03/19/96
5,499,771 08/425,936 03/19/96
5,499,783 08/237,395 03/19/96
5,499,792 08/354,531 03/19/96
5,499,795 08/375,715 03/19/96
5,499,798 08/199,660 03/19/96
5,499,807 08/210,276 03/19/96
5,499,813 08/406,489 03/19/96
5,499,815 08/421,829 03/19/96
5,499,822 08/359,553 03/19/96
5,499,830 08/435,840 03/19/96
5,499,834 08/324,176 03/19/96
5,499,835 08/493,642 03/19/96
5,499,836 08/251,023 03/19/96
5,499,837 08/509,437 03/19/96
5,499,838 08/151,345 03/19/96
5,499,846 08/371,767 03/19/96
5,499,852 08/404,327 03/19/96
5,499,858 08/266,300 03/19/96
5,499,862 08/260,117 03/19/96
5,499,869 08/320,454 03/19/96
5,499,871 07/926,461 03/19/96
5,499,874 08/317,935 03/19/96
5,499,875 08/363,693 03/19/96
5,499,881 08/223,018 03/19/96
5,499,883 08/242,006 03/19/96
5,499,884 08/027,375 03/19/96
5,499,885 08/058,871 03/19/96
5,499,896 08/265,379 03/19/96
5,499,897 08/301,173 03/19/96
5,499,904 08/314,875 03/19/96
5,499,905 08/406,662 03/19/96
5,499,917 08/355,808 03/19/96
5,499,919 08/130,950 03/19/96
5,499,920 08/477,749 03/19/96
5,499,924 08/273,057 03/19/96
5,499,929 08/257,863 03/19/96
5,499,936 08/371,954 03/19/96
5,499,941 08/320,856 03/19/96
5,499,943 08/344,877 03/19/96
5,499,955 08/275,123 03/19/96
5,499,962 08/270,594 03/19/96
5,499,971 08/166,737 03/19/96
5,499,974 08/326,209 03/19/96
5,499,976 08/318,264 03/19/96
5,499,977 08/335,891 03/19/96
5,499,986 08/178,771 03/19/96
5,499,989 08/300,650 03/19/96
5,500,000 08/086,290 03/19/96
5,500,002 08/247,248 03/19/96
5,500,019 08/141,663 03/19/96
5,500,033 08/394,866 03/19/96
5,500,044 08/138,247 03/19/96
5,500,052 08/245,966 03/19/96
5,500,053 08/491,055 03/19/96
5,500,057 08/130,369 03/19/96
5,500,068 08/463,650 03/19/96
5,500,083 08/189,546 03/19/96
5,500,094 08/268,754 03/19/96
5,500,099 08/437,595 03/19/96
5,500,100 08/317,050 03/19/96
5,500,103 08/452,729 03/19/96
5,500,114 08/295,756 03/19/96
5,500,118 08/261,907 03/19/96
5,500,119 08/124,429 03/19/96
5,500,121 08/337,308 03/19/96
5,500,126 08/326,443 03/19/96
5,500,128 08/384,996 03/19/96
5,500,136 08/295,520 03/19/96
5,500,139 08/391,795 03/19/96
5,500,145 08/100,013 03/19/96
5,500,150 08/278,852 03/19/96
5,500,153 08/270,709 03/19/96
5,500,162 08/170,309 03/19/96
5,500,163 08/157,146 03/19/96
5,500,164 08/236,894 03/19/96
5,500,170 08/348,159 03/19/96
5,500,182 07/960,408 03/19/96
5,500,184 08/273,026 03/19/96
5,500,187 07/986,816 03/19/96
5,500,197 07/784,580 03/19/96
5,500,205 08/200,449 03/19/96
5,500,206 08/236,911 03/19/96
5,500,208 08/255,021 03/19/96
5,500,231 08/459,917 03/19/96
5,500,235 08/055,792 03/19/96
5,500,241 08/187,081 03/19/96
5,500,247 08/158,384 03/19/96
5,500,258 08/298,267 03/19/96
5,500,267 08/293,804 03/19/96
5,500,268 08/381,507 03/19/96
5,500,281 08/200,597 03/19/96
5,500,289 08/493,229 03/19/96
5,500,327 08/432,373 03/19/96
5,500,337 08/211,790 03/19/96
5,500,340 08/136,345 03/19/96
5,500,341 08/308,892 03/19/96
5,500,350 08/235,261 03/19/96
5,500,352 08/036,327 03/19/96
5,500,369 08/135,793 03/19/96
5,500,390 08/457,184 03/19/96
5,500,399 08/440,929 03/19/96
5,500,401 08/342,512 03/19/96
5,500,404 08/187,068 03/19/96
5,500,407 08/341,586 03/19/96
5,500,414 08/264,198 03/19/96
5,500,417 08/403,229 03/19/96
5,500,418 08/308,040 03/19/96
5,500,421 08/196,790 03/19/96
5,500,424 08/288,699 03/19/96
5,500,426 08/425,953 03/19/96
5,500,430 08/074,818 03/19/96
5,500,439 08/164,466 03/19/96
5,500,463 08/176,288 03/19/96
5,500,467 08/360,495 03/19/96
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