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 December 15, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Application Issue
Number Number Date
4,712,261 07/045,250 12/15/87
4,712,269 06/871,681 12/15/87
4,712,285 06/838,598 12/15/87
4,712,286 06/889,500 12/15/87
4,712,309 07/038,929 12/15/87
4,712,312 06/885,635 12/15/87
4,712,317 06/910,075 12/15/87
4,712,331 07/056,349 12/15/87
4,712,334 06/901,198 12/15/87
4,712,341 06/896,492 12/15/87
4,712,352 06/804,429 12/15/87
4,712,355 07/020,395 12/15/87
4,712,359 06/918,578 12/15/87
4,712,361 06/751,911 12/15/87
4,712,363 06/906,516 12/15/87
4,712,366 06/945,382 12/15/87
4,712,377 06/776,016 12/15/87
4,712,380 06/783,224 12/15/87
4,712,382 06/920,739 12/15/87
4,712,386 06/877,560 12/15/87
4,712,391 07/039,133 12/15/87
4,712,412 06/828,173 12/15/87
4,712,413 06/909,554 12/15/87
4,712,414 06/834,509 12/15/87
4,712,425 06/906,076 12/15/87
4,712,436 06/782,893 12/15/87
4,712,447 06/855,883 12/15/87
4,712,452 06/778,054 12/15/87
4,712,457 06/876,928 12/15/87
4,712,463 06/831,868 12/15/87
4,712,465 06/901,486 12/15/87
4,712,472 06/913,533 12/15/87
4,712,475 06/873,815 12/15/87
4,712,478 07/004,937 12/15/87
4,712,490 06/833,889 12/15/87
4,712,492 06/912,961 12/15/87
4,712,493 07/055,784 12/15/87
4,712,495 06/855,388 12/15/87
4,712,496 06/936,006 12/15/87
4,712,501 07/014,224 12/15/87
4,712,504 06/848,760 12/15/87
4,712,505 06/789,153 12/15/87
4,712,514 06/903,935 12/15/87
4,712,518 06/789,018 12/15/87
4,712,520 06/889,347 12/15/87
4,712,524 06/866,294 12/15/87
4,712,525 06/935,357 12/15/87
4,712,527 06/866,163 12/15/87
4,712,528 06/352,918 12/15/87
4,712,532 06/920,439 12/15/87
4,712,544 06/828,472 12/15/87
4,712,550 07/004,798 12/15/87
4,712,559 06/778,325 12/15/87
4,712,560 06/764,092 12/15/87
4,712,563 06/868,400 12/15/87
4,712,571 06/689,663 12/15/87
4,712,576 06/824,905 12/15/87
4,712,580 06/842,670 12/15/87
4,712,582 07/015,507 12/15/87
4,712,592 06/928,373 12/15/87
4,712,598 06/920,068 12/15/87
4,712,599 06/746,830 12/15/87
4,712,610 06/936,048 12/15/87
4,712,611 06/867,511 12/15/87
4,712,625 06/818,711 12/15/87
4,712,635 06/947,225 12/15/87
4,712,636 06/868,069 12/15/87
4,712,637 06/876,973 12/15/87
4,712,646 07/025,592 12/15/87
4,712,663 06/885,219 12/15/87
4,712,666 06/869,817 12/15/87
4,712,671 06/867,829 12/15/87
4,712,673 06/846,075 12/15/87
4,712,675 06/923,260 12/15/87
4,712,692 07/022,672 12/15/87
4,712,693 06/885,198 12/15/87
4,712,707 06/905,185 12/15/87
4,712,708 06/849,714 12/15/87
4,712,717 06/844,086 12/15/87
4,712,720 06/937,064 12/15/87
4,712,727 07/036,969 12/15/87
4,712,732 07/006,220 12/15/87
4,712,733 06/842,829 12/15/87
4,712,738 06/836,835 12/15/87
4,712,742 06/798,524 12/15/87
4,712,747 06/917,102 12/15/87
4,712,759 06/858,400 12/15/87
4,712,761 07/008,565 12/15/87
4,712,768 06/922,782 12/15/87
4,712,775 06/833,068 12/15/87
4,712,783 06/584,792 12/15/87
4,712,826 06/945,966 12/15/87
4,712,832 06/877,921 12/15/87
4,712,841 06/932,120 12/15/87
4,712,848 06/853,314 12/15/87
4,712,855 06/818,152 12/15/87
4,712,859 06/777,953 12/15/87
4,712,861 06/699,278 12/15/87
4,712,863 06/873,551 12/15/87
4,712,868 06/778,806 12/15/87
4,712,876 06/751,847 12/15/87
4,712,879 06/847,192 12/15/87
4,712,886 06/931,003 12/15/87
4,712,889 06/799,888 12/15/87
4,712,891 06/875,136 12/15/87
4,712,893 06/807,527 12/15/87
4,712,896 07/013,308 12/15/87
4,712,899 07/010,421 12/15/87
4,712,912 06/837,672 12/15/87
4,712,913 06/935,900 12/15/87
4,712,914 06/817,705 12/15/87
4,712,926 06/878,411 12/15/87
4,712,951 06/769,135 12/15/87
4,712,974 06/747,841 12/15/87
4,712,986 06/894,580 12/15/87
4,712,994 06/919,580 12/15/87
4,712,997 06/946,190 12/15/87
4,712,998 06/932,504 12/15/87
4,713,006 06/844,210 12/15/87
4,713,008 06/905,786 12/15/87
4,713,035 06/898,330 12/15/87
4,713,036 06/923,631 12/15/87
4,713,037 06/894,991 12/15/87
4,713,043 06/833,346 12/15/87
4,713,045 06/913,461 12/15/87
4,713,048 06/903,370 12/15/87
4,713,054 06/836,010 12/15/87
4,713,061 06/885,164 12/15/87
4,713,073 06/945,173 12/15/87
4,713,082 06/898,797 12/15/87
4,713,087 06/918,205 12/15/87
4,713,094 06/900,316 12/15/87
4,713,097 07/019,990 12/15/87
4,713,102 06/897,326 12/15/87
4,713,103 06/938,252 12/15/87
4,713,107 06/940,203 12/15/87
4,713,110 06/933,454 12/15/87
4,713,117 06/672,428 12/15/87
4,713,124 06/868,299 12/15/87
4,713,137 06/892,022 12/15/87
4,713,140 07/020,402 12/15/87
4,713,142 06/848,411 12/15/87
4,713,146 06/691,087 12/15/87
4,713,181 06/841,078 12/15/87
4,713,185 06/715,368 12/15/87
4,713,191 06/946,750 12/15/87
4,713,192 06/677,911 12/15/87
4,713,194 06/852,258 12/15/87
4,713,203 06/812,984 12/15/87
4,713,207 06/883,752 12/15/87
4,713,209 06/852,315 12/15/87
4,713,220 07/014,750 12/15/87
4,713,227 06/878,145 12/15/87
4,713,228 06/926,490 12/15/87
4,713,232 06/896,094 12/15/87
4,713,252 06/923,107 12/15/87
4,713,256 06/731,622 12/15/87
4,713,257 06/830,972 12/15/87
4,713,263 07/049,237 12/15/87
4,713,267 06/855,002 12/15/87
4,713,274 06/897,622 12/15/87
4,713,278 06/904,123 12/15/87
4,713,279 06/852,151 12/15/87
4,713,280 06/891,231 12/15/87
4,713,281 06/905,442 12/15/87
4,713,282 06/878,959 12/15/87
4,713,301 06/879,273 12/15/87
4,713,302 06/869,820 12/15/87
4,713,313 06/606,350 12/15/87
4,713,322 06/947,454 12/15/87
4,713,327 06/729,331 12/15/87
4,713,338 06/893,922 12/15/87
4,713,340 06/620,231 12/15/87
4,713,354 06/834,363 12/15/87
4,713,362 06/866,531 12/15/87
4,713,368 06/887,136 12/15/87
4,713,376 06/930,452 12/15/87
4,713,378 06/747,829 12/15/87
4,713,387 06/747,305 12/15/87
4,713,400 06/864,657 12/15/87
4,713,401 06/807,565 12/15/87
4,713,402 06/771,438 12/15/87
4,713,419 06/857,308 12/15/87
4,713,434 06/503,171 12/15/87
4,713,443 06/809,107 12/15/87
4,713,444 06/868,486 12/15/87
4,713,453 07/019,973 12/15/87
4,713,456 06/769,639 12/15/87
4,713,457 06/831,676 12/15/87
4,713,475 06/873,556 12/15/87
4,713,477 06/798,197 12/15/87
4,713,479 06/936,004 12/15/87
4,713,482 06/841,420 12/15/87
4,713,487 06/865,859 12/15/87
4,713,489 06/820,876 12/15/87
4,713,495 07/019,794 12/15/87
4,713,501 06/938,720 12/15/87
4,713,504 07/007,859 12/15/87
4,713,510 06/878,110 12/15/87
4,713,511 07/029,398 12/15/87
4,713,521 06/672,545 12/15/87
4,713,522 06/917,803 12/15/87
4,713,528 06/788,872 12/15/87
4,713,534 06/830,408 12/15/87
4,713,539 06/906,393 12/15/87
4,713,540 06/755,646 12/15/87
4,713,548 06/796,906 12/15/87
4,713,553 06/789,866 12/15/87
4,713,555 07/036,021 12/15/87
4,713,567 06/912,592 12/15/87
4,713,585 06/911,790 12/15/87
4,713,588 06/849,832 12/15/87
4,713,590 06/836,626 12/15/87
4,713,591 06/900,153 12/15/87
4,713,595 06/885,761 12/15/87
4,713,599 06/689,101 12/15/87
4,713,614 06/831,342 12/15/87
4,713,618 06/782,858 12/15/87
4,713,620 06/945,283 12/15/87
4,713,622 06/917,587 12/15/87
4,713,625 06/941,878 12/15/87
4,713,631 06/816,589 12/15/87
4,713,636 06/888,422 12/15/87
4,713,637 06/913,880 12/15/87
4,713,638 06/923,087 12/15/87
4,713,641 07/032,421 12/15/87
4,713,646 06/748,198 12/15/87
4,713,649 06/847,093 12/15/87
4,713,651 06/843,079 12/15/87
4,713,661 06/766,607 12/15/87
4,713,666 07/017,627 12/15/87
4,713,673 06/847,457 12/15/87
4,713,677 06/914,517 12/15/87
4,713,678 06/928,717 12/15/87
4,713,688 06/779,599 12/15/87
4,713,696 06/922,195 12/15/87
4,713,705 06/274,791 12/15/87
4,713,709 06/760,796 12/15/87
4,713,711 06/731,690 12/15/87
4,713,714 06/801,886 12/15/87
4,713,716 06/863,993 12/15/87
4,713,721 06/706,467 12/15/87
4,713,726 06/889,647 12/15/87
4,713,729 07/028,058 12/15/87
4,713,730 06/785,302 12/15/87
4,713,731 06/907,543 12/15/87
4,713,741 06/883,508 12/15/87
4,713,764 06/654,607 12/15/87
4,713,765 06/704,032 12/15/87
4,713,772 06/799,038 12/15/87
4,713,773 06/639,570 12/15/87
4,713,779 06/709,442 12/15/87
4,713,780 06/723,053 12/15/87
4,713,791 06/653,190 12/15/87
4,713,793 06/803,694 12/15/87
4,713,794 06/350,932 12/15/87
4,713,797 06/801,363 12/15/87
4,713,798 06/678,215 12/15/87
4,713,800 06/628,453 12/15/87
4,713,805 06/652,390 12/15/87
4,713,811 06/795,979 12/15/87
4,713,813 06/878,101 12/15/87
4,713,814 06/839,315 12/15/87
4,713,815 06/839,020 12/15/87
4,713,818 06/678,296 12/15/87
4,713,819 06/863,698 12/15/87
4,713,822 06/737,485 12/15/87
4,713,830 06/880,470 12/15/87
4,713,836 06/752,142 12/15/87
PATENTS WHICH EXPIRED ON December 10, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,070,541 07/519,928 12/10/91
5,070,542 07/561,199 12/10/91
5,070,544 07/609,447 12/10/91
5,070,549 07/553,664 12/10/91
5,070,559 07/638,973 12/10/91
5,070,562 07/586,929 12/10/91
5,070,567 07/657,382 12/10/91
5,070,568 07/488,624 12/10/91
5,070,571 07/587,564 12/10/91
5,070,575 07/389,839 12/10/91
5,070,582 07/597,787 12/10/91
5,070,592 07/587,126 12/10/91
5,070,603 07/648,071 12/10/91
5,070,604 07/629,140 12/10/91
5,070,608 07/624,179 12/10/91
5,070,610 07/641,934 12/10/91
5,070,612 07/696,062 12/10/91
5,070,616 07/689,316 12/10/91
5,070,618 07/640,065 12/10/91
5,070,620 07/486,970 12/10/91
5,070,634 07/671,392 12/10/91
5,070,635 07/718,194 12/10/91
5,070,636 07/553,737 12/10/91
5,070,638 07/479,989 12/10/91
5,070,640 07/418,230 12/10/91
5,070,642 07/089,213 12/10/91
5,070,644 07/382,544 12/10/91
5,070,660 07/457,314 12/10/91
5,070,671 07/536,591 12/10/91
5,070,675 07/662,641 12/10/91
5,070,676 07/519,958 12/10/91
5,070,678 07/596,714 12/10/91
5,070,681 07/598,180 12/10/91
5,070,684 07/626,527 12/10/91
5,070,694 07/606,130 12/10/91
5,070,695 07/184,948 12/10/91
5,070,705 07/640,350 12/10/91
5,070,706 07/550,867 12/10/91
5,070,707 07/487,683 12/10/91
5,070,712 07/588,901 12/10/91
5,070,721 07/617,596 12/10/91
5,070,723 07/409,709 12/10/91
5,070,733 07/409,313 12/10/91
5,070,737 07/484,218 12/10/91
5,070,750 07/339,403 12/10/91
5,070,755 07/493,414 12/10/91
5,070,785 07/531,258 12/10/91
5,070,787 07/210,979 12/10/91
5,070,788 07/550,862 12/10/91
5,070,797 07/251,375 12/10/91
5,070,799 07/639,204 12/10/91
5,070,803 07/608,007 12/10/91
5,070,808 07/604,314 12/10/91
5,070,809 07/696,512 12/10/91
5,070,815 07/667,891 12/10/91
5,070,817 07/514,619 12/10/91
5,070,823 07/645,266 12/10/91
5,070,834 07/577,121 12/10/91
5,070,835 07/712,928 12/10/91
5,070,847 07/649,026 12/10/91
5,070,854 07/536,426 12/10/91
5,070,856 07/427,190 12/10/91
5,070,860 07/397,446 12/10/91
5,070,861 07/535,719 12/10/91
5,070,866 07/604,750 12/10/91
5,070,868 07/618,611 12/10/91
5,070,871 07/458,454 12/10/91
5,070,873 07/014,389 12/10/91
5,070,881 07/478,696 12/10/91
5,070,884 07/481,838 12/10/91
5,070,886 07/540,664 12/10/91
5,070,889 07/614,089 12/10/91
5,070,890 07/603,244 12/10/91
5,070,892 07/600,588 12/10/91
5,070,897 07/668,956 12/10/91
5,070,907 07/561,946 12/10/91
5,070,910 07/693,564 12/10/91
5,070,916 07/536,293 12/10/91
5,070,921 07/401,164 12/10/91
5,070,923 07/535,904 12/10/91
5,070,926 07/490,686 12/10/91
5,070,927 07/722,188 12/10/91
5,070,932 07/658,095 12/10/91
5,070,934 07/358,889 12/10/91
5,070,937 07/660,330 12/10/91
5,070,940 07/563,181 12/10/91
5,070,942 07/577,666 12/10/91
5,070,943 07/633,831 12/10/91
5,070,944 07/593,140 12/10/91
5,070,945 07/644,960 12/10/91
5,070,947 07/684,990 12/10/91
5,070,953 07/569,794 12/10/91
5,070,954 07/663,772 12/10/91
5,070,969 07/485,980 12/10/91
5,070,973 07/488,003 12/10/91
5,070,979 07/397,644 12/10/91
5,070,982 07/681,836 12/10/91
5,070,986 07/492,824 12/10/91
5,070,987 07/648,508 12/10/91
5,070,989 07/293,853 12/10/91
5,070,991 07/222,996 12/10/91
5,070,999 07/589,011 12/10/91
5,071,000 07/665,249 12/10/91
5,071,002 07/383,418 12/10/91
5,071,012 07/694,909 12/10/91
5,071,013 07/537,713 12/10/91
5,071,015 07/625,444 12/10/91
5,071,017 07/655,830 12/10/91
5,071,020 07/438,350 12/10/91
5,071,023 07/578,804 12/10/91
5,071,028 07/580,141 12/10/91
5,071,032 07/346,839 12/10/91
5,071,036 07/560,173 12/10/91
5,071,039 07/495,365 12/10/91
5,071,041 07/301,910 12/10/91
5,071,043 07/555,570 12/10/91
5,071,044 07/573,238 12/10/91
5,071,048 07/564,419 12/10/91
5,071,075 07/416,711 12/10/91
5,071,076 07/565,801 12/10/91
5,071,078 07/595,271 12/10/91
5,071,083 07/456,700 12/10/91
5,071,086 07/557,364 12/10/91
5,071,089 07/557,660 12/10/91
5,071,090 07/575,713 12/10/91
5,071,093 07/629,768 12/10/91
5,071,113 07/513,912 12/10/91
5,071,118 07/636,188 12/10/91
5,071,122 07/712,268 12/10/91
5,071,125 07/697,183 12/10/91
5,071,129 07/666,597 12/10/91
5,071,130 07/555,106 12/10/91
5,071,142 07/540,493 12/10/91
5,071,146 07/537,587 12/10/91
5,071,149 07/620,454 12/10/91
5,071,155 07/480,878 12/10/91
5,071,163 07/576,368 12/10/91
5,071,176 07/672,170 12/10/91
5,071,184 07/553,806 12/10/91
5,071,190 07/662,486 12/10/91
5,071,197 07/624,942 12/10/91
5,071,201 07/466,628 12/10/91
5,071,213 07/607,991 12/10/91
5,071,218 07/665,220 12/10/91
5,071,222 07/513,666 12/10/91
5,071,225 07/635,767 12/10/91
5,071,227 07/625,316 12/10/91
5,071,231 07/529,405 12/10/91
5,071,234 07/448,656 12/10/91
5,071,252 07/343,261 12/10/91
5,071,254 07/536,121 12/10/91
5,071,255 07/565,158 12/10/91
5,071,259 07/459,716 12/10/91
5,071,260 07/500,429 12/10/91
5,071,261 07/622,657 12/10/91
5,071,268 07/431,172 12/10/91
5,071,269 07/330,403 12/10/91
5,071,271 07/506,618 12/10/91
5,071,277 07/550,876 12/10/91
5,071,281 07/537,079 12/10/91
5,071,291 07/594,469 12/10/91
5,071,302 07/243,995 12/10/91
5,071,307 07/633,281 12/10/91
5,071,308 07/477,040 12/10/91
5,071,311 07/669,457 12/10/91
5,071,320 07/484,267 12/10/91
5,071,323 07/687,996 12/10/91
5,071,324 07/606,468 12/10/91
5,071,332 07/187,768 12/10/91
5,071,337 07/479,702 12/10/91
5,071,343 07/520,135 12/10/91
5,071,347 07/392,904 12/10/91
5,071,348 07/617,924 12/10/91
5,071,349 07/615,130 12/10/91
5,071,350 07/497,084 12/10/91
5,071,354 07/611,446 12/10/91
5,071,357 07/510,907 12/10/91
5,071,358 07/602,594 12/10/91
5,071,359 07/515,830 12/10/91
5,071,365 07/671,584 12/10/91
5,071,368 07/675,649 12/10/91
5,071,379 07/458,946 12/10/91
5,071,388 07/537,792 12/10/91
5,071,389 07/653,036 12/10/91
5,071,390 07/580,062 12/10/91
5,071,394 07/614,299 12/10/91
5,071,401 07/613,344 12/10/91
5,071,414 07/441,532 12/10/91
5,071,416 07/517,762 12/10/91
5,071,418 07/524,031 12/10/91
5,071,420 07/691,379 12/10/91
5,071,422 07/452,576 12/10/91
5,071,426 07/334,633 12/10/91
5,071,435 07/630,543 12/10/91
5,071,441 07/578,163 12/10/91
5,071,442 07/638,253 12/10/91
5,071,443 07/487,858 12/10/91
5,071,446 07/493,187 12/10/91
5,071,450 07/583,067 12/10/91
5,071,455 07/535,695 12/10/91
5,071,460 07/317,679 12/10/91
5,071,469 07/465,753 12/10/91
5,071,472 07/631,838 12/10/91
5,071,475 07/572,226 12/10/91
5,071,478 07/603,413 12/10/91
5,071,479 07/467,404 12/10/91
5,071,480 07/489,728 12/10/91
5,071,481 07/461,206 12/10/91
5,071,483 07/409,522 12/10/91
5,071,488 07/560,405 12/10/91
5,071,496 07/524,375 12/10/91
5,071,506 07/471,002 12/10/91
5,071,512 07/211,550 12/10/91
5,071,523 07/421,017 12/10/91
5,071,524 07/581,487 12/10/91
5,071,529 07/230,597 12/10/91
5,071,535 07/567,946 12/10/91
5,071,541 07/252,483 12/10/91
5,071,547 07/498,112 12/10/91
5,071,560 07/631,175 12/10/91
5,071,565 07/650,289 12/10/91
5,071,573 07/557,437 12/10/91
5,071,574 07/505,704 12/10/91
5,071,577 07/292,054 12/10/91
5,071,578 07/429,720 12/10/91
5,071,603 07/283,925 12/10/91
5,071,605 07/524,614 12/10/91
5,071,606 07/582,043 12/10/91
5,071,613 07/484,437 12/10/91
5,071,622 07/406,480 12/10/91
5,071,631 07/453,257 12/10/91
5,071,634 07/469,281 12/10/91
5,071,635 07/638,135 12/10/91
5,071,636 07/291,278 12/10/91
5,071,640 07/306,629 12/10/91
5,071,645 07/672,252 12/10/91
5,071,649 07/519,161 12/10/91
5,071,655 07/464,225 12/10/91
5,071,657 07/575,739 12/10/91
5,071,695 07/396,589 12/10/91
5,071,703 07/639,538 12/10/91
5,071,704 07/537,438 12/10/91
5,071,707 07/499,183 12/10/91
5,071,715 07/308,781 12/10/91
5,071,731 07/507,339 12/10/91
5,071,732 07/450,491 12/10/91
5,071,737 07/485,163 12/10/91
5,071,738 07/480,264 12/10/91
5,071,742 07/402,700 12/10/91
5,071,752 07/272,836 12/10/91
5,071,753 07/607,676 12/10/91
5,071,755 07/550,326 12/10/91
5,071,759 06/870,216 12/10/91
5,071,762 07/566,723 12/10/91
5,071,770 07/608,852 12/10/91
5,071,771 07/444,878 12/10/91
5,071,782 07/546,490 12/10/91
5,071,792 07/613,091 12/10/91
5,071,793 07/571,203 12/10/91
5,071,806 07/499,140 12/10/91
5,071,807 07/590,538 12/10/91
5,071,813 07/513,344 12/10/91
5,071,822 07/585,262 12/10/91
5,071,824 07/406,536 12/10/91
5,071,826 07/423,511 12/10/91
5,071,830 07/238,919 12/10/91
5,071,831 07/300,284 12/10/91
5,071,833 07/180,171 12/10/91
5,071,839 07/115,872 12/10/91
5,071,846 07/609,989 12/10/91
5,071,847 07/573,338 12/10/91
5,071,848 07/425,536 12/10/91
5,071,849 07/555,943 12/10/91
5,071,851 07/549,241 12/10/91
5,071,853 07/483,482 12/10/91
5,071,857 07/571,830 12/10/91
5,071,858 07/597,299 12/10/91
5,071,862 07/603,969 12/10/91
5,071,863 07/554,625 12/10/91
5,071,864 07/544,900 12/10/91
5,071,876 07/558,965 12/10/91
5,071,886 07/376,003 12/10/91
5,071,894 07/562,859 12/10/91
5,071,897 07/604,287 12/10/91
5,071,898 07/360,801 12/10/91
5,071,900 07/580,654 12/10/91
5,071,911 07/381,255 12/10/91
5,071,921 07/426,460 12/10/91
5,071,923 07/565,599 12/10/91
5,071,929 07/412,929 12/10/91
5,071,933 07/575,037 12/10/91
5,071,938 07/586,478 12/10/91
5,071,939 07/481,711 12/10/91
5,071,941 07/329,244 12/10/91
5,071,943 07/655,716 12/10/91
5,071,955 07/363,772 12/10/91
5,071,956 07/230,352 12/10/91
5,071,968 07/488,573 12/10/91
5,071,976 07/270,404 12/10/91
5,071,983 07/418,368 12/10/91
5,072,009 07/575,093 12/10/91
5,072,012 07/708,581 12/10/91
5,072,017 07/505,799 12/10/91
5,072,025 07/559,759 12/10/91
5,072,033 07/625,342 12/10/91
5,072,035 07/340,049 12/10/91
5,072,041 07/429,976 12/10/91
5,072,068 07/480,992 12/10/91
5,072,073 07/585,002 12/10/91
5,072,077 07/659,605 12/10/91
5,072,080 07/546,429 12/10/91
5,072,091 07/480,851 12/10/91
5,072,093 07/464,542 12/10/91
5,072,094 07/580,449 12/10/91
5,072,097 07/319,542 12/10/91
5,072,102 07/527,437 12/10/91
5,072,104 07/532,776 12/10/91
5,072,107 07/580,220 12/10/91
5,072,113 07/579,866 12/10/91
5,072,120 07/308,416 12/10/91
5,072,122 07/597,406 12/10/91
5,072,123 07/518,341 12/10/91
5,072,131 07/596,915 12/10/91
5,072,141 07/529,467 12/10/91
5,072,146 07/558,496 12/10/91
5,072,148 07/596,957 12/10/91
5,072,153 07/511,435 12/10/91
5,072,154 07/492,657 12/10/91
5,072,156 07/619,855 12/10/91
5,072,167 07/527,100 12/10/91
5,072,168 07/612,036 12/10/91
5,072,174 07/450,433 12/10/91
5,072,176 07/658,807 12/10/91
5,072,189 07/502,129 12/10/91
5,072,192 07/627,107 12/10/91
5,072,194 07/570,091 12/10/91
5,072,199 07/561,790 12/10/91
5,072,209 07/468,129 12/10/91
5,072,210 07/536,027 12/10/91
5,072,212 07/628,636 12/10/91
5,072,214 07/350,826 12/10/91
5,072,216 07/447,566 12/10/91
5,072,222 07/544,019 12/10/91
5,072,233 07/556,556 12/10/91
5,072,234 07/454,817 12/10/91
5,072,240 07/446,734 12/10/91
5,072,243 07/566,933 12/10/91
5,072,247 07/549,902 12/10/91
5,072,262 07/418,618 12/10/91
5,072,274 07/624,467 12/10/91
5,072,276 07/622,254 12/10/91
5,072,281 07/649,133 12/10/91
5,072,283 07/321,750 12/10/91
5,072,294 07/652,296 12/10/91
5,072,310 07/523,344 12/10/91
5,072,319 07/465,216 12/10/91
5,072,324 07/463,567 12/10/91
5,072,325 07/482,071 12/10/91
5,072,329 07/678,444 12/10/91
5,072,330 07/631,087 12/10/91
5,072,338 07/535,958 12/10/91
5,072,342 07/480,859 12/10/91
5,072,351 07/634,751 12/10/91
5,072,354 07/519,376 12/10/91
5,072,358 07/490,869 12/10/91
5,072,361 07/473,575 12/10/91
5,072,363 07/455,759 12/10/91
5,072,367 07/512,022 12/10/91
5,072,370 07/520,578 12/10/91
5,072,371 07/317,389 12/10/91
5,072,372 07/318,294 12/10/91
5,072,379 07/357,759 12/10/91
5,072,387 07/454,105 12/10/91
5,072,388 07/473,227 12/10/91
5,072,395 07/508,882 12/10/91
5,072,409 06/845,218 12/10/91
5,072,415 07/285,443 12/10/91
5,072,417 07/502,356 12/10/91
5,072,420 07/324,313 12/10/91
5,072,426 07/652,671 12/10/91
5,072,430 07/572,944 12/10/91
5,072,434 07/304,350 12/10/91
5,072,452 07/431,720 12/10/91
PATENTS WHICH EXPIRED ON December 12, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,473,778 08/175,144 12/12/95
5,473,781 08/334,250 12/12/95
5,473,782 07/944,802 12/12/95
5,473,783 08/222,431 12/12/95
5,473,788 08/363,678 12/12/95
5,473,790 08/241,702 12/12/95
5,473,797 08/343,991 12/12/95
5,473,819 08/225,570 12/12/95
5,473,820 08/207,852 12/12/95
5,473,823 08/320,578 12/12/95
5,473,828 08/345,494 12/12/95
5,473,831 08/271,253 12/12/95
5,473,834 08/324,981 12/12/95
5,473,835 08/271,786 12/12/95
5,473,844 08/285,060 12/12/95
5,473,845 08/230,092 12/12/95
5,473,857 08/153,518 12/12/95
5,473,862 08/189,706 12/12/95
5,473,865 08/103,995 12/12/95
5,473,873 08/326,753 12/12/95
5,473,875 08/165,026 12/12/95
5,473,876 08/227,608 12/12/95
5,473,880 08/116,458 12/12/95
5,473,892 08/293,587 12/12/95
5,473,907 08/345,812 12/12/95
5,473,912 08/258,700 12/12/95
5,473,917 08/120,781 12/12/95
5,473,918 08/077,052 12/12/95
5,473,921 08/255,313 12/12/95
5,473,924 08/185,942 12/12/95
5,473,925 08/188,585 12/12/95
5,473,930 08/384,238 12/12/95
5,473,940 08/182,751 12/12/95
5,473,952 08/217,474 12/12/95
5,473,962 08/217,994 12/12/95
5,473,965 08/333,440 12/12/95
5,473,973 08/232,974 12/12/95
5,473,977 08/025,359 12/12/95
5,473,980 08/375,779 12/12/95
5,473,987 08/425,235 12/12/95
5,473,989 08/393,818 12/12/95
5,473,993 08/307,357 12/12/95
5,473,995 08/246,858 12/12/95
5,474,000 08/348,892 12/12/95
5,474,008 08/290,565 12/12/95
5,474,009 08/293,893 12/12/95
5,474,010 08/314,668 12/12/95
5,474,013 08/406,758 12/12/95
5,474,016 08/251,300 12/12/95
5,474,017 08/366,995 12/12/95
5,474,019 08/322,197 12/12/95
5,474,025 08/322,577 12/12/95
5,474,026 08/304,887 12/12/95
5,474,032 08/406,427 12/12/95
5,474,033 08/238,645 12/12/95
5,474,039 08/312,606 12/12/95
5,474,043 08/262,055 12/12/95
5,474,047 08/299,650 12/12/95
5,474,056 08/197,602 12/12/95
5,474,059 08/437,860 12/12/95
5,474,060 08/110,515 12/12/95
5,474,064 08/123,490 12/12/95
5,474,081 08/154,634 12/12/95
5,474,083 08/152,082 12/12/95
5,474,084 08/213,428 12/12/95
5,474,086 07/909,940 12/12/95
5,474,088 08/163,640 12/12/95
5,474,092 07/784,284 12/12/95
5,474,093 08/096,219 12/12/95
5,474,094 08/286,002 12/12/95
5,474,096 08/251,255 12/12/95
5,474,101 08/236,174 12/12/95
5,474,105 08/220,645 12/12/95
5,474,107 08/379,761 12/12/95
5,474,117 08/319,783 12/12/95
5,474,128 08/086,937 12/12/95
5,474,134 08/428,266 12/12/95
5,474,139 08/211,328 12/12/95
5,474,140 08/332,138 12/12/95
5,474,141 08/370,782 12/12/95
5,474,144 08/143,129 12/12/95
5,474,151 08/197,264 12/12/95
5,474,152 08/420,759 12/12/95
5,474,154 08/260,923 12/12/95
5,474,155 08/403,196 12/12/95
5,474,156 08/269,653 12/12/95
5,474,164 08/239,806 12/12/95
5,474,170 08/272,773 12/12/95
5,474,171 08/168,480 12/12/95
5,474,173 08/258,404 12/12/95
5,474,174 08/266,492 12/12/95
5,474,177 08/323,014 12/12/95
5,474,178 08/264,399 12/12/95
5,474,182 08/260,264 12/12/95
5,474,184 08/324,909 12/12/95
5,474,185 07/984,776 12/12/95
5,474,186 08/319,362 12/12/95
5,474,190 08/254,519 12/12/95
5,474,195 08/377,877 12/12/95
5,474,196 08/240,842 12/12/95
5,474,199 08/189,043 12/12/95
5,474,200 08/239,318 12/12/95
5,474,201 08/324,089 12/12/95
5,474,206 08/239,565 12/12/95
5,474,207 08/265,263 12/12/95
5,474,211 08/335,181 12/12/95
5,474,226 08/255,274 12/12/95
5,474,229 08/317,871 12/12/95
5,474,231 08/182,746 12/12/95
5,474,235 08/402,024 12/12/95
5,474,240 08/415,989 12/12/95
5,474,264 08/417,452 12/12/95
5,474,272 08/242,377 12/12/95
5,474,275 08/311,280 12/12/95
5,474,288 08/279,249 12/12/95
5,474,292 08/393,342 12/12/95
5,474,300 08/313,737 12/12/95
5,474,308 08/119,154 12/12/95
5,474,310 08/340,885 12/12/95
5,474,312 08/127,423 12/12/95
5,474,313 08/262,258 12/12/95
5,474,314 08/271,046 12/12/95
5,474,317 08/124,863 12/12/95
5,474,319 08/409,888 12/12/95
5,474,321 08/250,448 12/12/95
5,474,322 08/278,511 12/12/95
5,474,333 08/354,421 12/12/95
5,474,343 08/217,730 12/12/95
5,474,344 08/219,825 12/12/95
5,474,345 08/316,103 12/12/95
5,474,352 08/282,282 12/12/95
5,474,359 08/054,311 12/12/95
5,474,371 08/287,406 12/12/95
5,474,373 08/298,308 12/12/95
5,474,377 08/129,659 12/12/95
5,474,389 08/359,255 12/12/95
5,474,395 08/234,570 12/12/95
5,474,399 08/103,783 12/12/95
5,474,402 08/240,615 12/12/95
5,474,404 08/294,316 12/12/95
5,474,411 08/064,651 12/12/95
5,474,415 08/099,750 12/12/95
5,474,416 08/154,717 12/12/95
5,474,421 08/276,942 12/12/95
5,474,425 08/120,658 12/12/95
5,474,426 08/271,591 12/12/95
5,474,432 08/195,367 12/12/95
5,474,435 08/150,050 12/12/95
5,474,437 08/052,592 12/12/95
5,474,438 08/136,658 12/12/95
5,474,442 08/232,871 12/12/95
5,474,454 08/194,434 12/12/95
5,474,456 08/318,091 12/12/95
5,474,457 08/074,775 12/12/95
5,474,459 08/263,955 12/12/95
5,474,463 08/097,260 12/12/95
5,474,467 08/251,048 12/12/95
5,474,471 08/384,432 12/12/95
5,474,478 08/221,625 12/12/95
5,474,499 08/089,915 12/12/95
5,474,504 08/133,517 12/12/95
5,474,508 08/088,030 12/12/95
5,474,510 08/398,889 12/12/95
5,474,521 08/246,716 12/12/95
5,474,536 08/233,367 12/12/95
5,474,545 07/987,358 12/12/95
5,474,572 08/207,221 12/12/95
5,474,573 08/293,442 12/12/95
5,474,584 08/206,671 12/12/95
5,474,594 08/268,311 12/12/95
5,474,604 08/244,162 12/12/95
5,474,607 07/937,863 12/12/95
5,474,608 08/249,050 12/12/95
5,474,632 08/277,400 12/12/95
5,474,640 08/094,653 12/12/95
5,474,647 08/153,236 12/12/95
5,474,654 08/142,889 12/12/95
5,474,655 08/374,400 12/12/95
5,474,658 08/290,951 12/12/95
5,474,666 08/156,722 12/12/95
5,474,673 08/271,089 12/12/95
5,474,676 08/166,445 12/12/95
5,474,686 08/125,812 12/12/95
5,474,695 08/363,549 12/12/95
5,474,697 08/267,302 12/12/95
5,474,704 08/100,572 12/12/95
5,474,719 07/655,681 12/12/95
5,474,724 08/251,671 12/12/95
5,474,748 08/160,772 12/12/95
5,474,751 08/301,831 12/12/95
5,474,765 07/856,018 12/12/95
5,474,766 07/992,827 12/12/95
5,474,777 08/180,502 12/12/95
5,474,781 07/643,936 12/12/95
5,474,804 08/316,100 12/12/95
5,474,811 08/241,925 12/12/95
5,474,822 08/187,740 12/12/95
5,474,825 08/145,632 12/12/95
5,474,828 08/269,878 12/12/95
5,474,837 08/184,704 12/12/95
5,474,840 08/282,793 12/12/95
5,474,849 08/420,755 12/12/95
5,474,851 08/206,725 12/12/95
5,474,855 08/285,615 12/12/95
5,474,865 08/342,940 12/12/95
5,474,876 08/318,190 12/12/95
5,474,895 08/050,441 12/12/95
5,474,905 08/157,861 12/12/95
5,474,908 07/797,011 12/12/95
5,474,911 07/621,424 12/12/95
5,474,913 08/009,349 12/12/95
5,474,916 07/950,849 12/12/95
5,474,921 08/138,641 12/12/95
5,474,934 08/181,998 12/12/95
5,474,947 08/172,984 12/12/95
5,474,959 08/219,191 12/12/95
5,474,983 08/031,772 12/12/95
5,474,986 07/689,077 12/12/95
5,474,988 08/196,462 12/12/95
5,474,989 08/203,863 12/12/95
5,474,990 07/734,210 12/12/95
5,474,997 08/341,266 12/12/95
5,474,998 07/971,974 12/12/95
5,475,000 08/193,080 12/12/95
5,475,009 08/304,066 12/12/95
5,475,016 08/019,001 12/12/95
5,475,019 08/014,776 12/12/95
5,475,020 08/256,089 12/12/95
5,475,021 08/162,404 12/12/95
5,475,024 08/166,019 12/12/95
5,475,029 08/088,698 12/12/95
5,475,036 08/008,285 12/12/95
5,475,038 08/241,230 12/12/95
5,475,041 08/135,119 12/12/95
5,475,042 08/407,742 12/12/95
5,475,045 08/257,631 12/12/95
5,475,054 08/314,436 12/12/95
5,475,055 08/327,880 12/12/95
5,475,060 08/240,823 12/12/95
5,475,071 08/312,722 12/12/95
5,475,076 08/150,010 12/12/95
5,475,093 08/419,971 12/12/95
5,475,103 08/351,090 12/12/95
5,475,106 07/924,065 12/12/95
5,475,114 08/199,281 12/12/95
5,475,122 08/270,172 12/12/95
5,475,132 08/250,599 12/12/95
5,475,134 08/167,682 12/12/95
5,475,140 08/229,943 12/12/95
5,475,150 08/337,805 12/12/95
5,475,155 08/374,282 12/12/95
5,475,163 08/369,560 12/12/95
5,475,165 08/374,370 12/12/95
5,475,173 08/277,056 12/12/95
5,475,175 08/228,780 12/12/95
5,475,186 08/102,911 12/12/95
5,475,203 08/245,361 12/12/95
5,475,221 08/240,984 12/12/95
5,475,250 08/191,667 12/12/95
5,475,259 07/961,161 12/12/95
5,475,260 08/316,206 12/12/95
5,475,270 08/417,711 12/12/95
5,475,278 08/219,698 12/12/95
5,475,281 08/415,025 12/12/95
5,475,282 08/108,172 12/12/95
5,475,298 08/087,805 12/12/95
5,475,311 08/237,706 12/12/95
5,475,313 08/309,143 12/12/95
5,475,332 08/179,713 12/12/95
5,475,346 08/196,080 12/12/95
5,475,349 08/315,659 12/12/95
5,475,351 08/317,618 12/12/95
5,475,357 08/181,177 12/12/95
5,475,367 08/162,194 12/12/95
5,475,368 08/269,784 12/12/95
5,475,376 08/394,220 12/12/95
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