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 June 27, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
4,841,576 07/167,403 06/27/89
4,841,595 07/082,532 06/27/89
4,841,598 07/200,379 06/27/89
4,841,605 06/764,192 06/27/89
4,841,607 06/912,238 06/27/89
4,841,618 07/106,238 06/27/89
4,841,633 07/267,290 06/27/89
4,841,638 07/093,494 06/27/89
4,841,648 07/161,954 06/27/89
4,841,651 06/786,227 06/27/89
4,841,698 07/206,823 06/27/89
4,841,703 07/159,986 06/27/89
4,841,710 07/076,751 06/27/89
4,841,716 07/193,470 06/27/89
4,841,725 06/528,719 06/27/89
4,841,729 07/146,165 06/27/89
4,841,730 07/191,287 06/27/89
4,841,731 07/141,154 06/27/89
4,841,742 07/146,819 06/27/89
4,841,744 07/145,316 06/27/89
4,841,750 07/222,945 06/27/89
4,841,751 07/224,588 06/27/89
4,841,758 07/195,279 06/27/89
4,841,765 07/146,335 06/27/89
4,841,772 07/127,971 06/27/89
4,841,775 07/145,156 06/27/89
4,841,779 07/184,631 06/27/89
4,841,784 07/168,500 06/27/89
4,841,789 07/221,930 06/27/89
4,841,797 07/174,851 06/27/89
4,841,801 07/274,702 06/27/89
4,841,802 06/845,144 06/27/89
4,841,805 07/168,134 06/27/89
4,841,820 07/239,806 06/27/89
4,841,830 07/112,897 06/27/89
4,841,849 07/270,341 06/27/89
4,841,859 07/275,047 06/27/89
4,841,861 07/112,251 06/27/89
4,841,867 07/138,256 06/27/89
4,841,878 07/087,996 06/27/89
4,841,883 07/112,684 06/27/89
4,841,884 07/200,683 06/27/89
4,841,890 07/197,372 06/27/89
4,841,893 07/169,900 06/27/89
4,841,907 07/215,201 06/27/89
4,841,911 07/162,026 06/27/89
4,841,916 07/197,354 06/27/89
4,841,917 07/226,125 06/27/89
4,841,935 07/111,743 06/27/89
4,841,943 07/082,290 06/27/89
4,841,951 07/237,500 06/27/89
4,841,963 07/094,305 06/27/89
4,841,964 06/892,197 06/27/89
4,841,974 07/136,831 06/27/89
4,841,980 06/801,248 06/27/89
4,841,988 07/108,923 06/27/89
4,841,993 07/159,122 06/27/89
4,842,000 07/155,073 06/27/89
4,842,005 07/148,722 06/27/89
4,842,009 07/260,584 06/27/89
4,842,014 07/140,735 06/27/89
4,842,017 07/177,140 06/27/89
4,842,019 07/227,627 06/27/89
4,842,029 07/192,830 06/27/89
4,842,034 07/159,230 06/27/89
4,842,035 07/075,625 06/27/89
4,842,038 07/163,208 06/27/89
4,842,040 07/230,623 06/27/89
4,842,042 07/164,710 06/27/89
4,842,043 07/180,326 06/27/89
4,842,055 07/175,325 06/27/89
4,842,060 07/178,682 06/27/89
4,842,092 07/081,888 06/27/89
4,842,096 07/232,818 06/27/89
4,842,097 07/218,212 06/27/89
4,842,103 07/136,044 06/27/89
4,842,110 06/939,505 06/27/89
4,842,112 07/191,962 06/27/89
4,842,113 06/464,997 06/27/89
4,842,116 07/008,224 06/27/89
4,842,117 07/165,690 06/27/89
4,842,137 07/238,953 06/27/89
4,842,150 07/173,277 06/27/89
4,842,169 07/188,855 06/27/89
4,842,186 07/209,160 06/27/89
4,842,187 07/031,379 06/27/89
4,842,189 07/166,435 06/27/89
4,842,195 07/145,280 06/27/89
4,842,204 07/079,472 06/27/89
4,842,214 07/112,197 06/27/89
4,842,244 07/118,938 06/27/89
4,842,245 07/082,726 06/27/89
4,842,248 07/110,331 06/27/89
4,842,252 07/157,797 06/27/89
4,842,253 06/880,898 06/27/89
4,842,259 07/170,273 06/27/89
4,842,260 07/128,722 06/27/89
4,842,278 07/207,009 06/27/89
4,842,292 07/134,510 06/27/89
4,842,297 07/216,362 06/27/89
4,842,302 07/193,287 06/27/89
4,842,316 07/181,216 06/27/89
4,842,319 07/107,151 06/27/89
4,842,327 07/164,553 06/27/89
4,842,334 07/054,769 06/27/89
4,842,335 07/238,265 06/27/89
4,842,337 06/926,554 06/27/89
4,842,340 07/184,219 06/27/89
4,842,348 06/906,426 06/27/89
4,842,351 07/154,216 06/27/89
4,842,384 07/142,891 06/27/89
4,842,389 07/062,447 06/27/89
4,842,390 07/219,192 06/27/89
4,842,394 07/160,783 06/27/89
4,842,398 07/139,287 06/27/89
4,842,400 07/215,611 06/27/89
4,842,404 07/144,556 06/27/89
4,842,413 07/188,336 06/27/89
4,842,416 07/029,087 06/27/89
4,842,418 07/273,614 06/27/89
4,842,420 07/134,270 06/27/89
4,842,421 07/195,919 06/27/89
4,842,441 07/063,649 06/27/89
4,842,455 07/256,820 06/27/89
4,842,456 07/122,969 06/27/89
4,842,464 06/738,256 06/27/89
4,842,467 07/118,055 06/27/89
4,842,469 07/121,639 06/27/89
4,842,473 07/056,603 06/27/89
4,842,476 07/190,477 06/27/89
4,842,480 07/089,211 06/27/89
4,842,481 07/133,521 06/27/89
4,842,486 06/924,678 06/27/89
4,842,490 07/176,872 06/27/89
4,842,495 07/111,548 06/27/89
4,842,499 07/178,356 06/27/89
4,842,507 07/202,497 06/27/89
4,842,517 07/103,433 06/27/89
4,842,522 07/109,277 06/27/89
4,842,525 07/234,988 06/27/89
4,842,528 07/181,841 06/27/89
4,842,529 07/175,838 06/27/89
4,842,538 07/284,109 06/27/89
4,842,542 07/281,152 06/27/89
4,842,543 07/202,075 06/27/89
4,842,544 07/145,671 06/27/89
4,842,547 07/196,642 06/27/89
4,842,549 07/177,795 06/27/89
4,842,550 07/214,076 06/27/89
4,842,559 07/172,399 06/27/89
4,842,564 07/238,486 06/27/89
4,842,568 07/223,043 06/27/89
4,842,574 07/076,129 06/27/89
4,842,580 07/137,586 06/27/89
4,842,583 07/136,948 06/27/89
4,842,609 07/216,185 06/27/89
4,842,611 07/127,218 06/27/89
4,842,613 07/125,876 06/27/89
4,842,619 07/131,764 06/27/89
4,842,631 07/213,007 06/27/89
4,842,654 07/145,403 06/27/89
4,842,656 07/062,533 06/27/89
4,842,663 07/187,850 06/27/89
4,842,665 07/092,141 06/27/89
4,842,669 07/090,925 06/27/89
4,842,689 07/093,102 06/27/89
4,842,703 07/159,318 06/27/89
4,842,708 07/022,664 06/27/89
4,842,709 07/129,602 06/27/89
4,842,713 07/119,218 06/27/89
4,842,716 07/084,942 06/27/89
4,842,725 07/204,673 06/27/89
4,842,736 07/240,941 06/27/89
4,842,737 06/937,378 06/27/89
4,842,738 07/187,972 06/27/89
4,842,742 06/899,826 06/27/89
4,842,745 07/058,187 06/27/89
4,842,753 07/188,328 06/27/89
4,842,756 07/028,850 06/27/89
4,842,761 07/172,089 06/27/89
4,842,765 07/100,967 06/27/89
4,842,777 07/226,638 06/27/89
4,842,778 07/123,811 06/27/89
4,842,779 07/175,528 06/27/89
4,842,780 07/086,107 06/27/89
4,842,788 07/140,443 06/27/89
4,842,791 07/067,847 06/27/89
4,842,806 07/093,560 06/27/89
4,842,824 07/111,493 06/27/89
4,842,826 07/035,046 06/27/89
4,842,829 06/931,392 06/27/89
4,842,835 07/074,645 06/27/89
4,842,836 06/843,295 06/27/89
4,842,841 06/626,075 06/27/89
4,842,842 07/062,720 06/27/89
4,842,845 07/047,616 06/27/89
4,842,849 07/115,612 06/27/89
4,842,851 07/056,693 06/27/89
4,842,853 06/892,547 06/27/89
4,842,855 06/608,007 06/27/89
4,842,862 06/881,926 06/27/89
4,842,873 07/036,455 06/27/89
4,842,875 07/123,465 06/27/89
4,842,878 07/100,798 06/27/89
4,842,879 07/132,791 06/27/89
4,842,889 07/209,161 06/27/89
4,842,891 07/153,606 06/27/89
4,842,914 07/194,251 06/27/89
4,842,921 07/026,536 06/27/89
4,842,926 07/180,970 06/27/89
4,842,937 07/160,597 06/27/89
4,842,943 07/087,571 06/27/89
4,842,945 07/053,659 06/27/89
4,842,964 07/171,280 06/27/89
4,842,966 07/158,733 06/27/89
4,842,970 07/184,027 06/27/89
4,842,982 07/062,340 06/27/89
4,842,997 06/551,985 06/27/89
4,842,999 06/895,450 06/27/89
4,843,016 07/019,029 06/27/89
4,843,017 07/113,577 06/27/89
4,843,021 07/079,318 06/27/89
4,843,023 07/065,617 06/27/89
4,843,024 07/258,498 06/27/89
4,843,056 07/164,237 06/27/89
4,843,058 07/177,159 06/27/89
4,843,059 07/166,548 06/27/89
4,843,062 07/137,479 06/27/89
4,843,072 07/093,033 06/27/89
4,843,073 07/065,597 06/27/89
4,843,097 07/176,974 06/27/89
4,843,104 07/103,204 06/27/89
4,843,109 07/133,089 06/27/89
4,843,114 07/150,107 06/27/89
4,843,118 07/064,962 06/27/89
4,843,126 07/139,897 06/27/89
4,843,131 07/110,899 06/27/89
4,843,141 07/138,064 06/27/89
4,843,148 06/945,731 06/27/89
4,843,150 07/071,644 06/27/89
4,843,153 07/068,341 06/27/89
4,843,154 07/080,266 06/27/89
4,843,156 06/692,066 06/27/89
4,843,161 06/616,362 06/27/89
4,843,173 07/195,466 06/27/89
4,843,174 06/902,460 06/27/89
4,843,178 07/127,864 06/27/89
4,843,182 07/077,078 06/27/89
4,843,184 07/071,872 06/27/89
4,843,190 07/061,514 06/27/89
4,843,192 07/147,698 06/27/89
4,843,193 07/173,977 06/27/89
4,843,203 07/208,859 06/27/89
4,843,204 07/251,946 06/27/89
4,843,223 06/940,447 06/27/89
4,843,232 07/138,258 06/27/89
4,843,238 07/155,101 06/27/89
4,843,256 07/120,560 06/27/89
4,843,261 07/161,813 06/27/89
4,843,263 07/172,879 06/27/89
4,843,266 07/109,960 06/27/89
4,843,269 07/103,518 06/27/89
4,843,270 07/070,856 06/27/89
4,843,272 07/057,952 06/27/89
4,843,281 06/919,938 06/27/89
4,843,284 07/212,333 06/27/89
4,843,290 06/947,413 06/27/89
4,843,293 07/149,452 06/27/89
4,843,295 07/057,996 06/27/89
4,843,296 07/063,230 06/27/89
4,843,298 06/902,469 06/27/89
4,843,300 07/145,225 06/27/89
4,843,307 07/040,824 06/27/89
4,843,311 07/073,477 06/27/89
4,843,315 07/167,676 06/27/89
4,843,323 07/180,688 06/27/89
4,843,324 07/181,442 06/27/89
4,843,325 07/150,017 06/27/89
4,843,329 07/107,433 06/27/89
4,843,347 07/199,547 06/27/89
4,843,354 07/273,647 06/27/89
4,843,355 07/207,070 06/27/89
4,843,364 07/093,294 06/27/89
4,843,367 07/171,124 06/27/89
4,843,382 06/917,638 06/27/89
4,843,385 07/198,713 06/27/89
4,843,388 07/046,931 06/27/89
4,843,397 07/173,727 06/27/89
4,843,401 07/148,672 06/27/89
4,843,413 07/174,302 06/27/89
4,843,430 07/175,161 06/27/89
4,843,434 07/122,146 06/27/89
4,843,445 07/014,063 06/27/89
4,843,446 07/246,926 06/27/89
4,843,454 06/934,847 06/27/89
4,843,455 07/234,057 06/27/89
4,843,463 07/197,673 06/27/89
4,843,485 06/920,896 06/27/89
4,843,487 07/104,040 06/27/89
4,843,492 07/071,173 06/27/89
4,843,494 07/109,289 06/27/89
4,843,511 07/215,371 06/27/89
4,843,513 07/174,164 06/27/89
4,843,528 07/095,093 06/27/89
4,843,540 06/903,031 06/27/89
4,843,542 06/930,172 06/27/89
4,843,549 07/015,416 06/27/89
4,843,550 07/012,320 06/27/89
4,843,556 06/888,067 06/27/89
4,843,564 07/041,417 06/27/89
4,843,568 06/850,770 06/27/89
4,843,569 07/099,596 06/27/89
4,843,580 07/065,956 06/27/89
4,843,585 07/096,867 06/27/89
4,843,590 06/868,405 06/27/89
4,843,599 07/101,915 06/27/89
4,843,623 07/053,298 06/27/89
4,843,634 07/026,681 06/27/89
4,843,635 07/086,477 06/27/89
4,843,637 06/935,849 06/27/89
PATENTS WHICH EXPIRED ON June 22, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,220,690 07/900,655 06/22/93
5,220,700 07/910,743 06/22/93
5,220,701 07/859,075 06/22/93
5,220,702 07/979,486 06/22/93
5,220,704 07/702,765 06/22/93
5,220,707 07/788,585 06/22/93
5,220,719 07/913,655 06/22/93
5,220,720 07/761,200 06/22/93
5,220,732 07/832,975 06/22/93
5,220,735 07/724,378 06/22/93
5,220,742 07/879,868 06/22/93
5,220,743 07/929,371 06/22/93
5,220,746 07/783,389 06/22/93
5,220,747 07/967,273 06/22/93
5,220,749 07/789,243 06/22/93
5,220,753 07/893,336 06/22/93
5,220,754 07/844,236 06/22/93
5,220,758 07/900,191 06/22/93
5,220,761 07/729,540 06/22/93
5,220,763 07/696,835 06/22/93
5,220,773 07/893,394 06/22/93
5,220,775 07/822,855 06/22/93
5,220,776 07/809,143 06/22/93
5,220,778 07/902,536 06/22/93
5,220,780 07/814,568 06/22/93
5,220,781 07/755,778 06/22/93
5,220,783 07/762,806 06/22/93
5,220,796 07/729,975 06/22/93
5,220,799 07/803,590 06/22/93
5,220,801 07/871,258 06/22/93
5,220,806 07/898,594 06/22/93
5,220,813 07/763,499 06/22/93
5,220,818 07/834,036 06/22/93
5,220,826 07/613,486 06/22/93
5,220,828 07/720,678 06/22/93
5,220,834 07/639,063 06/22/93
5,220,836 07/613,806 06/22/93
5,220,837 07/858,595 06/22/93
5,220,846 07/790,779 06/22/93
5,220,850 07/808,106 06/22/93
5,220,866 07/569,834 06/22/93
5,220,869 07/741,330 06/22/93
5,220,874 07/576,413 06/22/93
5,220,875 07/869,468 06/22/93
5,220,879 07/777,906 06/22/93
5,220,884 07/918,769 06/22/93
5,220,892 07/886,951 06/22/93
5,220,895 07/976,875 06/22/93
5,220,905 07/916,167 06/22/93
5,220,907 07/888,729 06/22/93
5,220,908 07/890,559 06/22/93
5,220,915 07/790,536 06/22/93
5,220,925 07/724,047 06/22/93
5,220,926 07/912,247 06/22/93
5,220,929 07/770,179 06/22/93
5,220,932 07/789,951 06/22/93
5,220,934 07/788,776 06/22/93
5,220,939 07/881,436 06/22/93
5,220,947 07/746,919 06/22/93
5,220,949 07/720,984 06/22/93
5,220,957 07/894,609 06/22/93
5,220,958 07/746,101 06/22/93
5,220,959 07/764,653 06/22/93
5,220,966 07/878,475 06/22/93
5,220,971 07/764,618 06/22/93
5,220,976 07/962,174 06/22/93
5,220,978 07/658,605 06/22/93
5,220,985 07/877,911 06/22/93
5,220,992 06/281,331 06/22/93
5,220,995 07/901,215 06/22/93
5,220,997 07/927,618 06/22/93
5,221,000 07/848,066 06/22/93
5,221,003 07/885,449 06/22/93
5,221,004 07/696,770 06/22/93
5,221,006 07/838,897 06/22/93
5,221,009 07/839,209 06/22/93
5,221,012 07/780,808 06/22/93
5,221,017 07/959,675 06/22/93
5,221,020 07/977,892 06/22/93
5,221,025 07/527,810 06/22/93
5,221,027 07/785,640 06/22/93
5,221,029 07/866,987 06/22/93
5,221,031 07/806,596 06/22/93
5,221,036 07/898,400 06/22/93
5,221,039 07/695,124 06/22/93
5,221,043 07/692,661 06/22/93
5,221,044 07/810,631 06/22/93
5,221,063 07/876,609 06/22/93
5,221,068 07/615,476 06/22/93
5,221,069 07/881,690 06/22/93
5,221,070 07/681,157 06/22/93
5,221,073 07/915,009 06/22/93
5,221,079 07/894,713 06/22/93
5,221,082 07/830,575 06/22/93
5,221,089 07/911,946 06/22/93
5,221,090 07/875,178 06/22/93
5,221,100 07/915,080 06/22/93
5,221,102 07/796,853 06/22/93
5,221,103 07/790,231 06/22/93
5,221,104 07/589,540 06/22/93
5,221,108 07/769,708 06/22/93
5,221,116 07/959,157 06/22/93
5,221,117 07/876,110 06/22/93
5,221,120 07/830,617 06/22/93
5,221,123 07/690,494 06/22/93
5,221,127 07/805,230 06/22/93
5,221,128 07/938,589 06/22/93
5,221,129 07/765,760 06/22/93
5,221,133 07/957,967 06/22/93
5,221,138 07/710,139 06/22/93
5,221,142 07/702,991 06/22/93
5,221,147 07/855,072 06/22/93
5,221,151 07/889,622 06/22/93
5,221,157 07/815,335 06/22/93
5,221,158 07/811,957 06/22/93
5,221,162 07/846,713 06/22/93
5,221,175 07/779,799 06/22/93
5,221,184 07/760,110 06/22/93
5,221,187 07/793,147 06/22/93
5,221,188 07/811,966 06/22/93
5,221,189 07/927,846 06/22/93
5,221,190 07/849,620 06/22/93
5,221,193 07/866,015 06/22/93
5,221,194 07/618,089 06/22/93
5,221,199 07/760,126 06/22/93
5,221,205 07/793,136 06/22/93
5,221,208 07/622,718 06/22/93
5,221,214 07/890,715 06/22/93
5,221,219 07/500,161 06/22/93
5,221,221 07/644,996 06/22/93
5,221,222 07/915,262 06/22/93
5,221,223 07/716,581 06/22/93
5,221,231 07/811,235 06/22/93
5,221,235 07/724,855 06/22/93
5,221,236 07/880,283 06/22/93
5,221,237 07/936,610 06/22/93
5,221,262 07/585,089 06/22/93
5,221,265 07/857,340 06/22/93
5,221,283 07/883,741 06/22/93
5,221,284 07/718,421 06/22/93
5,221,286 07/914,123 06/22/93
5,221,290 07/650,473 06/22/93
5,221,291 07/786,740 06/22/93
5,221,292 07/827,461 06/22/93
5,221,300 07/932,838 06/22/93
5,221,302 07/803,527 06/22/93
5,221,304 07/693,831 06/22/93
5,221,311 07/818,895 06/22/93
5,221,312 07/948,412 06/22/93
5,221,315 07/705,459 06/22/93
5,221,318 07/746,842 06/22/93
5,221,329 07/870,974 06/22/93
5,221,331 07/800,651 06/22/93
5,221,338 07/767,664 06/22/93
5,221,346 07/761,475 06/22/93
5,221,350 07/832,957 06/22/93
5,221,362 07/749,163 06/22/93
5,221,364 07/846,266 06/22/93
5,221,370 07/538,054 06/22/93
5,221,379 07/642,912 06/22/93
5,221,380 07/808,468 06/22/93
5,221,385 07/745,806 06/22/93
5,221,388 07/788,955 06/22/93
5,221,392 07/564,827 06/22/93
5,221,396 07/849,943 06/22/93
5,221,398 07/518,819 06/22/93
5,221,422 07/369,714 06/22/93
5,221,426 07/799,804 06/22/93
5,221,431 07/649,047 06/22/93
5,221,432 07/649,052 06/22/93
5,221,433 07/807,860 06/22/93
5,221,436 07/618,589 06/22/93
5,221,443 07/795,919 06/22/93
5,221,446 07/760,435 06/22/93
5,221,456 07/781,106 06/22/93
5,221,457 07/763,696 06/22/93
5,221,459 07/874,049 06/22/93
5,221,462 07/676,043 06/22/93
5,221,466 07/814,437 06/22/93
5,221,467 07/705,045 06/22/93
5,221,470 07/808,424 06/22/93
5,221,475 07/740,730 06/22/93
5,221,500 07/911,816 06/22/93
5,221,501 07/713,297 06/22/93
5,221,509 07/499,453 06/22/93
5,221,512 07/705,732 06/22/93
5,221,532 07/837,980 06/22/93
5,221,540 07/899,877 06/22/93
5,221,544 07/802,266 06/22/93
5,221,550 07/660,255 06/22/93
5,221,552 07/748,526 06/22/93
5,221,557 07/810,949 06/22/93
5,221,558 07/746,678 06/22/93
5,221,560 07/809,262 06/22/93
5,221,563 07/984,677 06/22/93
5,221,565 07/736,665 06/22/93
5,221,578 07/669,138 06/22/93
5,221,579 07/592,353 06/22/93
5,221,582 07/603,547 06/22/93
5,221,584 07/906,021 06/22/93
5,221,589 07/678,934 06/22/93
5,221,595 07/676,119 06/22/93
5,221,598 07/980,416 06/22/93
5,221,600 07/626,811 06/22/93
5,221,601 07/760,162 06/22/93
5,221,613 07/473,534 06/22/93
5,221,615 06/794,177 06/22/93
5,221,617 07/872,934 06/22/93
5,221,619 07/821,711 06/22/93
5,221,620 07/446,020 06/22/93
5,221,623 07/382,255 06/22/93
5,221,628 07/672,526 06/22/93
5,221,629 07/537,669 06/22/93
5,221,631 07/669,425 06/22/93
5,221,633 07/756,734 06/22/93
5,221,636 07/729,435 06/22/93
5,221,642 07/746,268 06/22/93
5,221,645 07/540,166 06/22/93
5,221,646 07/730,144 06/22/93
5,221,652 07/675,139 06/22/93
5,221,653 07/811,127 06/22/93
5,221,662 07/758,885 06/22/93
5,221,664 07/794,828 06/22/93
5,221,672 07/800,791 06/22/93
5,221,683 07/822,310 06/22/93
5,221,685 07/828,110 06/22/93
5,221,689 07/824,543 06/22/93
5,221,694 07/691,798 06/22/93
5,221,698 07/722,511 06/22/93
5,221,699 07/993,943 06/22/93
5,221,711 07/282,329 06/22/93
5,221,717 07/822,167 06/22/93
5,221,719 07/670,551 06/22/93
5,221,720 07/929,969 06/22/93
5,221,725 07/627,936 06/22/93
5,221,727 07/659,626 06/22/93
5,221,739 07/819,152 06/22/93
5,221,744 07/931,250 06/22/93
5,221,748 07/668,116 06/22/93
5,221,752 07/729,419 06/22/93
5,221,757 07/794,980 06/22/93
5,221,761 07/875,319 06/22/93
5,221,767 07/928,334 06/22/93
5,221,773 07/922,547 06/22/93
5,221,774 07/854,042 06/22/93
5,221,775 07/854,137 06/22/93
5,221,784 07/823,382 06/22/93
5,221,785 07/957,036 06/22/93
5,221,788 07/940,396 06/22/93
5,221,793 07/859,677 06/22/93
5,221,795 07/923,326 06/22/93
5,221,805 07/900,485 06/22/93
5,221,806 07/924,366 06/22/93
5,221,807 07/621,783 06/22/93
5,221,809 07/867,467 06/22/93
5,221,810 07/882,722 06/22/93
5,221,814 07/739,942 06/22/93
5,221,818 07/766,584 06/22/93
5,221,829 07/652,508 06/22/93
5,221,836 07/755,976 06/22/93
5,221,843 07/872,788 06/22/93
5,221,852 07/829,189 06/22/93
5,221,858 07/834,964 06/22/93
5,221,871 07/764,697 06/22/93
5,221,875 07/881,584 06/22/93
5,221,878 07/795,423 06/22/93
5,221,880 07/961,400 06/22/93
5,221,893 07/840,668 06/22/93
5,221,900 07/693,839 06/22/93
5,221,901 07/763,639 06/22/93
5,221,905 07/843,050 06/22/93
5,221,912 07/783,455 06/22/93
5,221,916 07/924,675 06/22/93
5,221,917 07/893,747 06/22/93
5,221,922 07/640,530 06/22/93
5,221,927 07/886,216 06/22/93
5,221,928 07/897,633 06/22/93
5,221,930 07/804,278 06/22/93
5,221,932 07/772,970 06/22/93
5,221,933 07/723,368 06/22/93
5,221,934 07/861,665 06/22/93
5,221,948 07/976,017 06/22/93
5,221,950 07/888,103 06/22/93
5,221,958 07/781,154 06/22/93
5,221,969 07/719,336 06/22/93
5,221,974 07/584,074 06/22/93
5,221,978 07/703,540 06/22/93
5,221,991 07/894,907 06/22/93
5,221,997 07/858,285 06/22/93
5,222,000 07/716,969 06/22/93
5,222,007 07/797,857 06/22/93
5,222,009 07/559,314 06/22/93
5,222,010 07/824,010 06/22/93
5,222,013 07/665,357 06/22/93
5,222,023 07/679,655 06/22/93
5,222,024 07/641,375 06/22/93
5,222,026 07/635,229 06/22/93
5,222,027 07/627,851 06/22/93
5,222,034 07/594,145 06/22/93
5,222,036 07/555,337 06/22/93
5,222,042 07/754,807 06/22/93
5,222,050 07/900,662 06/22/93
5,222,052 07/913,472 06/22/93
5,222,058 07/703,412 06/22/93
5,222,063 07/678,046 06/22/93
5,222,064 07/647,126 06/22/93
5,222,068 07/851,475 06/22/93
5,222,085 07/602,409 06/22/93
5,222,088 07/786,387 06/22/93
5,222,094 07/777,239 06/22/93
5,222,098 07/715,395 06/22/93
5,222,115 07/787,672 06/22/93
5,222,119 07/778,549 06/22/93
5,222,129 07/540,435 06/22/93
5,222,149 07/792,841 06/22/93
5,222,164 07/936,154 06/22/93
5,222,166 07/885,599 06/22/93
5,222,168 07/802,871 06/22/93
5,222,174 07/659,636 06/22/93
5,222,180 07/968,092 06/22/93
5,222,183 07/681,548 06/22/93
5,222,185 07/857,964 06/22/93
5,222,196 07/849,116 06/22/93
5,222,202 07/596,144 06/22/93
5,222,203 07/879,460 06/22/93
5,222,214 07/543,315 06/22/93
5,222,225 07/742,209 06/22/93
5,222,238 07/754,995 06/22/93
5,222,242 07/589,356 06/22/93
PATENTS WHICH EXPIRED ON June 24, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,640,712 08/444,060 06/24/97
5,640,717 08/528,431 06/24/97
5,640,721 08/439,088 06/24/97
5,640,722 08/555,069 06/24/97
5,640,723 08/592,786 06/24/97
5,640,725 08/568,602 06/24/97
5,640,733 08/405,904 06/24/97
5,640,737 08/500,574 06/24/97
5,640,750 08/269,586 06/24/97
5,640,765 08/479,172 06/24/97
5,640,771 08/567,900 06/24/97
5,640,774 08/494,807 06/24/97
5,640,775 08/198,140 06/24/97
5,640,776 08/513,487 06/24/97
5,640,780 08/458,037 06/24/97
5,640,781 08/385,307 06/24/97
5,640,785 08/348,054 06/24/97
5,640,786 08/498,408 06/24/97
5,640,787 08/417,299 06/24/97
5,640,791 08/514,629 06/24/97
5,640,792 08/471,820 06/24/97
5,640,796 08/539,553 06/24/97
5,640,797 08/423,278 06/24/97
5,640,799 08/496,926 06/24/97
5,640,803 08/269,359 06/24/97
5,640,807 08/570,688 06/24/97
5,640,810 08/584,269 06/24/97
5,640,817 08/443,347 06/24/97
5,640,826 08/548,147 06/24/97
5,640,841 08/436,746 06/24/97
5,640,857 08/435,865 06/24/97
5,640,858 08/522,399 06/24/97
5,640,860 08/584,459 06/24/97
5,640,861 08/575,672 06/24/97
5,640,875 08/546,538 06/24/97
5,640,876 08/562,049 06/24/97
5,640,877 08/515,122 06/24/97
5,640,881 08/374,725 06/24/97
5,640,885 08/404,061 06/24/97
5,640,889 08/558,637 06/24/97
5,640,892 08/387,898 06/24/97
5,640,895 08/528,770 06/24/97
5,640,897 08/592,851 06/24/97
5,640,905 08/547,943 06/24/97
5,640,911 08/305,070 06/24/97
5,640,918 08/537,687 06/24/97
5,640,922 08/519,345 06/24/97
5,640,924 08/593,583 06/24/97
5,640,933 08/572,744 06/24/97
5,640,935 08/564,097 06/24/97
5,640,945 08/433,823 06/24/97
5,640,949 08/559,433 06/24/97
5,640,950 08/489,791 06/24/97
5,640,960 08/425,044 06/24/97
5,640,976 08/466,245 06/24/97
5,640,979 08/577,212 06/24/97
5,640,982 08/342,340 06/24/97
5,640,984 08/526,547 06/24/97
5,640,990 08/453,455 06/24/97
5,640,993 08/426,132 06/24/97
5,641,007 08/599,329 06/24/97
5,641,015 08/454,179 06/24/97
5,641,022 08/543,299 06/24/97
5,641,024 08/414,283 06/24/97
5,641,026 08/576,986 06/24/97
5,641,032 08/267,276 06/24/97
5,641,035 08/333,413 06/24/97
5,641,036 08/327,703 06/24/97
5,641,039 08/300,333 06/24/97
5,641,041 08/509,932 06/24/97
5,641,042 08/535,904 06/24/97
5,641,046 08/564,482 06/24/97
5,641,047 08/338,473 06/24/97
5,641,053 08/554,227 06/24/97
5,641,055 08/498,642 06/24/97
5,641,060 08/496,444 06/24/97
5,641,065 08/493,797 06/24/97
5,641,066 08/499,030 06/24/97
5,641,067 08/520,593 06/24/97
5,641,069 08/379,913 06/24/97
5,641,075 08/520,603 06/24/97
5,641,076 08/437,610 06/24/97
5,641,077 08/540,498 06/24/97
5,641,091 08/399,912 06/24/97
5,641,104 08/535,016 06/24/97
5,641,107 08/448,545 06/24/97
5,641,108 08/532,025 06/24/97
5,641,112 08/497,625 06/24/97
5,641,115 08/324,013 06/24/97
5,641,120 08/488,968 06/24/97
5,641,125 08/394,008 06/24/97
5,641,126 08/444,495 06/24/97
5,641,127 08/379,605 06/24/97
5,641,137 08/509,434 06/24/97
5,641,139 08/427,246 06/24/97
5,641,140 08/402,882 06/24/97
5,641,142 08/552,371 06/24/97
5,641,164 08/433,851 06/24/97
5,641,165 08/574,519 06/24/97
5,641,166 08/565,860 06/24/97
5,641,169 08/327,297 06/24/97
5,641,173 08/425,862 06/24/97
5,641,179 08/505,679 06/24/97
5,641,186 08/334,027 06/24/97
5,641,189 08/562,548 06/24/97
5,641,190 08/481,537 06/24/97
5,641,191 08/543,400 06/24/97
5,641,199 08/433,940 06/24/97
5,641,205 08/588,964 06/24/97
5,641,207 08/515,319 06/24/97
5,641,209 08/404,697 06/24/97
5,641,210 08/580,544 06/24/97
5,641,214 08/399,760 06/24/97
5,641,223 08/237,858 06/24/97
5,641,228 08/457,826 06/24/97
5,641,229 08/577,621 06/24/97
5,641,232 08/491,722 06/24/97
5,641,239 08/425,795 06/24/97
5,641,259 08/448,811 06/24/97
5,641,260 08/422,074 06/24/97
5,641,265 08/524,643 06/24/97
5,641,271 08/351,316 06/24/97
5,641,278 08/439,217 06/24/97
5,641,279 08/500,846 06/24/97
5,641,287 08/328,907 06/24/97
5,641,296 08/363,478 06/24/97
5,641,297 08/495,809 06/24/97
5,641,316 08/317,281 06/24/97
5,641,317 08/533,893 06/24/97
5,641,320 08/635,303 06/24/97
5,641,326 08/166,219 06/24/97
5,641,328 08/523,049 06/24/97
5,641,341 08/599,941 06/24/97
5,641,342 08/578,261 06/24/97
5,641,345 08/533,751 06/24/97
5,641,359 08/598,937 06/24/97
5,641,370 08/560,890 06/24/97
5,641,371 08/561,048 06/24/97
5,641,379 08/557,182 06/24/97
5,641,401 08/462,038 06/24/97
5,641,408 08/521,224 06/24/97
5,641,410 08/582,213 06/24/97
5,641,418 08/229,957 06/24/97
5,641,420 08/524,324 06/24/97
5,641,422 08/471,503 06/24/97
5,641,426 08/235,561 06/24/97
5,641,442 08/193,706 06/24/97
5,641,449 08/528,567 06/24/97
5,641,470 08/502,905 06/24/97
5,641,472 08/504,728 06/24/97
5,641,480 08/352,309 06/24/97
5,641,485 08/514,019 06/24/97
5,641,490 08/303,124 06/24/97
5,641,497 08/158,189 06/24/97
5,641,498 08/529,236 06/24/97
5,641,519 08/444,211 06/24/97
5,641,522 08/557,929 06/24/97
5,641,528 08/522,106 06/24/97
5,641,537 08/498,327 06/24/97
5,641,550 08/251,872 06/24/97
5,641,551 08/298,793 06/24/97
5,641,575 08/469,094 06/24/97
5,641,584 08/411,391 06/24/97
5,641,606 08/513,994 06/24/97
5,641,624 08/253,114 06/24/97
5,641,627 08/328,258 06/24/97
5,641,637 08/043,394 06/24/97
5,641,638 08/367,769 06/24/97
5,641,668 08/446,777 06/24/97
5,641,671 08/034,650 06/24/97
5,641,675 08/319,836 06/24/97
5,641,683 08/636,309 06/24/97
5,641,691 08/415,389 06/24/97
5,641,723 08/129,183 06/24/97
5,641,741 08/518,931 06/24/97
5,641,758 08/335,090 06/24/97
5,641,765 08/436,240 06/24/97
5,641,769 08/481,689 06/24/97
5,641,772 08/421,108 06/24/97
5,641,773 08/159,509 06/24/97
5,641,775 08/532,811 06/24/97
5,641,776 08/500,987 06/24/97
5,641,778 08/568,332 06/24/97
5,641,781 08/613,843 06/24/97
5,641,784 08/362,105 06/24/97
5,641,802 08/448,460 06/24/97
5,641,804 08/392,879 06/24/97
5,641,806 08/419,293 06/24/97
5,641,813 08/565,354 06/24/97
5,641,815 08/322,173 06/24/97
5,641,829 08/472,049 06/24/97
5,641,831 08/480,539 06/24/97
5,641,847 08/579,888 06/24/97
5,641,854 08/477,091 06/24/97
5,641,855 08/464,623 06/24/97
5,641,873 08/524,804 06/24/97
5,641,877 08/453,865 06/24/97
5,641,884 08/363,836 06/24/97
5,641,886 08/575,193 06/24/97
5,641,893 08/605,733 06/24/97
5,641,898 08/445,907 06/24/97
5,641,909 08/222,621 06/24/97
5,641,918 08/584,633 06/24/97
5,641,923 08/485,100 06/24/97
5,641,947 08/612,482 06/24/97
5,641,952 08/528,944 06/24/97
5,641,953 08/407,579 06/24/97
5,641,965 08/428,214 06/24/97
5,642,004 08/446,694 06/24/97
5,642,009 08/281,232 06/24/97
5,642,027 08/383,988 06/24/97
5,642,028 08/403,937 06/24/97
5,642,052 08/461,427 06/24/97
5,642,066 08/669,210 06/24/97
5,642,092 08/549,025 06/24/97
5,642,096 08/622,062 06/24/97
5,642,101 08/109,987 06/24/97
5,642,102 08/407,100 06/24/97
5,642,146 08/249,285 06/24/97
5,642,150 08/276,458 06/24/97
5,642,167 08/354,226 06/24/97
5,642,184 08/547,393 06/24/97
5,642,198 08/415,944 06/24/97
5,642,201 08/348,204 06/24/97
5,642,220 08/307,361 06/24/97
5,642,221 08/207,604 06/24/97
5,642,236 08/645,508 06/24/97
5,642,238 08/380,113 06/24/97
5,642,249 08/579,929 06/24/97
5,642,271 08/521,702 06/24/97
5,642,288 08/337,643 06/24/97
5,642,290 08/120,720 06/24/97
5,642,329 08/538,484 06/24/97
5,642,330 08/236,857 06/24/97
5,642,331 08/605,232 06/24/97
5,642,339 08/406,274 06/24/97
5,642,345 08/243,911 06/24/97
5,642,359 08/495,535 06/24/97
5,642,378 08/341,400 06/24/97
5,642,390 08/599,386 06/24/97
5,642,404 08/555,458 06/24/97
5,642,414 08/443,150 06/24/97
5,642,417 08/344,863 06/24/97
5,642,427 08/420,365 06/24/97
5,642,439 08/387,213 06/24/97
5,642,451 08/579,711 06/24/97
5,642,462 08/289,786 06/24/97
5,642,468 08/598,152 06/24/97
5,642,493 08/345,043 06/24/97
5,642,497 08/380,273 06/24/97
5,642,499 08/223,834 06/24/97
5,642,514 08/449,058 06/24/97