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 January 3, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
4,794,673 07/094,153 01/03/89
4,794,679 07/019,615 01/03/89
4,794,688 07/035,033 01/03/89
4,794,690 07/100,860 01/03/89
4,794,696 07/036,348 01/03/89
4,794,707 07/068,903 01/03/89
4,794,717 07/158,725 01/03/89
4,794,722 07/178,138 01/03/89
4,794,729 07/074,155 01/03/89
4,794,734 07/089,349 01/03/89
4,794,735 07/089,348 01/03/89
4,794,741 06/848,480 01/03/89
4,794,742 06/841,501 01/03/89
4,794,747 07/084,373 01/03/89
4,794,761 07/083,817 01/03/89
4,794,764 07/011,206 01/03/89
4,794,772 07/166,204 01/03/89
4,794,797 07/046,033 01/03/89
4,794,803 07/060,124 01/03/89
4,794,811 06/891,860 01/03/89
4,794,812 07/123,945 01/03/89
4,794,814 07/050,804 01/03/89
4,794,816 06/917,543 01/03/89
4,794,818 06/932,501 01/03/89
4,794,820 07/035,482 01/03/89
4,794,835 06/939,753 01/03/89
4,794,841 07/036,665 01/03/89
4,794,847 07/126,621 01/03/89
4,794,850 07/006,106 01/03/89
4,794,855 07/061,287 01/03/89
4,794,858 07/110,223 01/03/89
4,794,867 07/140,636 01/03/89
4,794,876 07/031,229 01/03/89
4,794,881 06/932,865 01/03/89
4,794,888 07/140,650 01/03/89
4,794,890 07/021,195 01/03/89
4,794,910 07/067,042 01/03/89
4,794,927 06/789,663 01/03/89
4,794,937 07/015,652 01/03/89
4,794,940 07/000,727 01/03/89
4,794,945 07/167,502 01/03/89
4,794,954 07/022,447 01/03/89
4,794,955 07/061,519 01/03/89
4,794,974 07/066,219 01/03/89
4,794,980 07/121,129 01/03/89
4,794,981 07/036,437 01/03/89
4,794,985 07/043,942 01/03/89
4,794,994 07/030,123 01/03/89
4,794,998 07/098,418 01/03/89
4,795,005 07/061,610 01/03/89
4,795,014 06/927,043 01/03/89
4,795,020 06/721,414 01/03/89
4,795,022 07/006,861 01/03/89
4,795,036 07/061,456 01/03/89
4,795,038 07/205,994 01/03/89
4,795,053 07/187,003 01/03/89
4,795,063 06/935,302 01/03/89
4,795,069 06/749,983 01/03/89
4,795,082 06/904,275 01/03/89
4,795,088 07/060,496 01/03/89
4,795,095 06/904,930 01/03/89
4,795,100 07/097,460 01/03/89
4,795,108 07/097,991 01/03/89
4,795,109 07/002,433 01/03/89
4,795,116 07/153,691 01/03/89
4,795,118 07/103,929 01/03/89
4,795,140 06/947,899 01/03/89
4,795,147 07/161,409 01/03/89
4,795,153 07/062,610 01/03/89
4,795,167 07/093,841 01/03/89
4,795,175 07/087,523 01/03/89
4,795,180 07/025,643 01/03/89
4,795,184 07/049,931 01/03/89
4,795,189 07/083,256 01/03/89
4,795,190 07/057,637 01/03/89
4,795,193 06/939,890 01/03/89
4,795,196 07/079,674 01/03/89
4,795,198 07/089,412 01/03/89
4,795,207 07/076,758 01/03/89
4,795,215 07/139,002 01/03/89
4,795,220 07/110,049 01/03/89
4,795,222 07/053,954 01/03/89
4,795,223 07/000,795 01/03/89
4,795,255 07/100,977 01/03/89
4,795,263 06/700,957 01/03/89
4,795,273 07/122,894 01/03/89
4,795,283 07/107,361 01/03/89
4,795,284 06/925,155 01/03/89
4,795,287 07/004,634 01/03/89
4,795,297 07/067,376 01/03/89
4,795,313 07/054,926 01/03/89
4,795,315 07/175,666 01/03/89
4,795,317 06/905,007 01/03/89
4,795,318 06/905,006 01/03/89
4,795,329 07/037,509 01/03/89
4,795,333 07/013,784 01/03/89
4,795,348 07/115,740 01/03/89
4,795,353 07/121,002 01/03/89
4,795,356 07/166,292 01/03/89
4,795,362 07/163,574 01/03/89
4,795,365 07/146,071 01/03/89
4,795,372 07/225,651 01/03/89
4,795,374 07/218,418 01/03/89
4,795,381 07/089,047 01/03/89
4,795,386 07/059,918 01/03/89
4,795,391 07/067,676 01/03/89
4,795,392 07/061,471 01/03/89
4,795,393 07/006,218 01/03/89
4,795,401 07/047,940 01/03/89
4,795,415 06/946,938 01/03/89
4,795,418 06/878,437 01/03/89
4,795,433 07/176,224 01/03/89
4,795,434 07/095,308 01/03/89
4,795,451 06/944,056 01/03/89
4,795,479 07/188,921 01/03/89
4,795,487 06/886,263 01/03/89
4,795,488 06/906,462 01/03/89
4,795,493 07/029,927 01/03/89
4,795,511 07/051,968 01/03/89
4,795,519 06/838,417 01/03/89
4,795,529 07/109,318 01/03/89
4,795,539 06/839,414 01/03/89
4,795,543 07/053,722 01/03/89
4,795,552 07/041,971 01/03/89
4,795,557 07/061,827 01/03/89
4,795,566 06/798,635 01/03/89
4,795,574 07/119,931 01/03/89
4,795,576 06/920,340 01/03/89
4,795,577 06/947,121 01/03/89
4,795,584 07/070,472 01/03/89
4,795,588 07/174,554 01/03/89
4,795,589 07/066,495 01/03/89
4,795,591 07/171,188 01/03/89
4,795,600 06/930,621 01/03/89
4,795,608 07/042,727 01/03/89
4,795,610 07/041,411 01/03/89
4,795,622 06/855,453 01/03/89
4,795,626 07/172,969 01/03/89
4,795,627 06/662,276 01/03/89
4,795,632 06/874,874 01/03/89
4,795,641 07/087,566 01/03/89
4,795,642 07/085,795 01/03/89
4,795,643 07/067,148 01/03/89
4,795,649 07/166,062 01/03/89
4,795,659 07/080,925 01/03/89
4,795,672 07/022,088 01/03/89
4,795,676 06/943,944 01/03/89
4,795,677 07/081,126 01/03/89
4,795,678 07/170,588 01/03/89
4,795,685 06/873,168 01/03/89
4,795,697 06/946,970 01/03/89
4,795,700 06/695,082 01/03/89
4,795,701 06/755,996 01/03/89
4,795,704 06/786,764 01/03/89
4,795,720 07/096,778 01/03/89
4,795,725 06/721,542 01/03/89
4,795,732 06/943,905 01/03/89
4,795,735 06/911,317 01/03/89
4,795,739 07/056,558 01/03/89
4,795,747 07/062,412 01/03/89
4,795,749 07/108,272 01/03/89
4,795,761 07/022,670 01/03/89
4,795,766 06/880,654 01/03/89
4,795,767 07/102,736 01/03/89
4,795,770 07/164,147 01/03/89
4,795,773 07/099,857 01/03/89
4,795,774 07/104,466 01/03/89
4,795,776 07/047,647 01/03/89
4,795,791 07/125,907 01/03/89
4,795,792 07/187,261 01/03/89
4,795,807 07/031,530 01/03/89
4,795,825 06/557,580 01/03/89
4,795,833 07/010,843 01/03/89
4,795,837 06/586,871 01/03/89
4,795,843 07/105,930 01/03/89
4,795,851 07/132,450 01/03/89
4,795,852 07/132,455 01/03/89
4,795,854 06/523,030 01/03/89
4,795,858 07/178,533 01/03/89
4,795,859 07/143,676 01/03/89
4,795,860 07/089,687 01/03/89
4,795,864 07/065,893 01/03/89
4,795,871 07/092,621 01/03/89
4,795,886 06/943,755 01/03/89
4,795,896 07/142,002 01/03/89
4,795,899 07/030,314 01/03/89
4,795,900 07/031,089 01/03/89
4,795,903 06/921,498 01/03/89
4,795,907 07/011,536 01/03/89
4,795,909 07/106,497 01/03/89
4,795,914 07/134,693 01/03/89
4,795,925 07/016,606 01/03/89
4,795,928 07/008,324 01/03/89
4,795,941 06/876,938 01/03/89
4,795,943 07/043,504 01/03/89
4,795,947 07/149,904 01/03/89
4,795,967 07/095,426 01/03/89
4,795,980 06/807,357 01/03/89
4,795,981 07/033,384 01/03/89
4,795,985 07/140,891 01/03/89
4,795,986 07/121,562 01/03/89
4,795,997 07/116,602 01/03/89
4,796,002 06/907,414 01/03/89
4,796,011 06/939,096 01/03/89
4,796,026 07/075,280 01/03/89
4,796,030 07/017,154 01/03/89
4,796,032 06/843,680 01/03/89
4,796,034 07/168,813 01/03/89
4,796,040 07/064,418 01/03/89
4,796,042 07/080,136 01/03/89
4,796,048 07/124,321 01/03/89
4,796,051 07/026,423 01/03/89
4,796,052 07/017,811 01/03/89
4,796,054 06/862,020 01/03/89
4,796,059 07/148,681 01/03/89
4,796,061 06/930,800 01/03/89
4,796,062 07/049,136 01/03/89
4,796,068 07/040,123 01/03/89
4,796,074 07/042,682 01/03/89
4,796,089 06/942,914 01/03/89
4,796,091 07/009,163 01/03/89
4,796,109 07/180,659 01/03/89
4,796,116 06/943,687 01/03/89
4,796,126 06/904,818 01/03/89
4,796,132 07/111,284 01/03/89
4,796,137 06/919,043 01/03/89
4,796,141 07/105,611 01/03/89
4,796,145 07/124,337 01/03/89
4,796,146 07/188,154 01/03/89
4,796,147 06/918,933 01/03/89
4,796,149 07/054,789 01/03/89
4,796,160 07/119,908 01/03/89
4,796,164 07/029,813 01/03/89
4,796,170 07/018,413 01/03/89
4,796,177 06/935,681 01/03/89
4,796,186 06/891,951 01/03/89
4,796,199 07/017,788 01/03/89
4,796,203 06/900,591 01/03/89
4,796,205 06/764,991 01/03/89
4,796,208 06/832,516 01/03/89
4,796,209 06/878,865 01/03/89
4,796,219 07/056,493 01/03/89
4,796,225 06/735,238 01/03/89
4,796,245 07/186,644 01/03/89
4,796,256 06/908,056 01/03/89
4,796,267 07/036,619 01/03/89
4,796,282 07/001,409 01/03/89
4,796,283 07/027,549 01/03/89
4,796,286 07/066,913 01/03/89
4,796,287 06/781,020 01/03/89
4,796,294 07/127,389 01/03/89
4,796,300 06/944,414 01/03/89
PATENTS WHICH EXPIRED ON December 29, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,173,964 07/739,346 12/29/92
5,173,968 07/652,846 12/29/92
5,173,972 07/771,208 12/29/92
5,173,973 07/786,117 12/29/92
5,173,975 07/872,632 12/29/92
5,173,978 07/788,205 12/29/92
5,173,980 07/808,023 12/29/92
5,173,983 07/710,110 12/29/92
5,173,984 07/743,260 12/29/92
5,173,985 07/668,927 12/29/92
5,173,992 07/783,673 12/29/92
5,173,994 07/820,473 12/29/92
5,173,996 07/912,741 12/29/92
5,173,999 07/631,663 12/29/92
5,174,015 07/721,309 12/29/92
5,174,018 07/728,469 12/29/92
5,174,020 07/314,934 12/29/92
5,174,022 07/850,617 12/29/92
5,174,024 07/583,093 12/29/92
5,174,027 07/807,094 12/29/92
5,174,028 07/784,876 12/29/92
5,174,029 07/805,028 12/29/92
5,174,038 07/650,268 12/29/92
5,174,039 07/745,460 12/29/92
5,174,047 07/679,734 12/29/92
5,174,050 07/704,596 12/29/92
5,174,055 07/570,324 12/29/92
5,174,057 07/793,594 12/29/92
5,174,059 07/881,164 12/29/92
5,174,061 07/575,701 12/29/92
5,174,066 07/797,638 12/29/92
5,174,067 07/779,474 12/29/92
5,174,069 07/778,739 12/29/92
5,174,072 07/767,272 12/29/92
5,174,073 07/778,315 12/29/92
5,174,074 07/727,271 12/29/92
5,174,080 07/657,167 12/29/92
5,174,082 07/676,289 12/29/92
5,174,084 07/766,558 12/29/92
5,174,088 07/690,182 12/29/92
5,174,091 07/804,699 12/29/92
5,174,098 07/796,114 12/29/92
5,174,100 07/681,920 12/29/92
5,174,106 07/573,100 12/29/92
5,174,108 07/764,052 12/29/92
5,174,111 07/738,194 12/29/92
5,174,116 07/857,501 12/29/92
5,174,117 07/766,523 12/29/92
5,174,121 07/762,448 12/29/92
5,174,125 07/734,978 12/29/92
5,174,132 07/598,166 12/29/92
5,174,136 07/771,650 12/29/92
5,174,152 07/665,295 12/29/92
5,174,166 07/694,505 12/29/92
5,174,168 07/465,243 12/29/92
5,174,178 07/749,865 12/29/92
5,174,185 07/737,043 12/29/92
5,174,189 07/776,696 12/29/92
5,174,190 07/465,261 12/29/92
5,174,191 07/728,389 12/29/92
5,174,193 07/884,235 12/29/92
5,174,201 07/712,263 12/29/92
5,174,202 07/742,913 12/29/92
5,174,203 07/695,541 12/29/92
5,174,218 07/672,698 12/29/92
5,174,219 07/719,189 12/29/92
5,174,227 07/694,931 12/29/92
5,174,232 07/750,492 12/29/92
5,174,237 07/789,826 12/29/92
5,174,248 07/741,624 12/29/92
5,174,254 07/806,884 12/29/92
5,174,262 07/709,081 12/29/92
5,174,271 07/774,304 12/29/92
5,174,275 07/795,701 12/29/92
5,174,285 07/462,495 12/29/92
5,174,292 07/774,825 12/29/92
5,174,296 07/676,481 12/29/92
5,174,307 07/812,165 12/29/92
5,174,318 07/703,443 12/29/92
5,174,326 07/831,894 12/29/92
5,174,334 07/356,677 12/29/92
5,174,338 07/682,442 12/29/92
5,174,342 07/839,244 12/29/92
5,174,344 07/715,544 12/29/92
5,174,348 07/751,747 12/29/92
5,174,361 07/661,538 12/29/92
5,174,364 07/802,694 12/29/92
5,174,365 07/791,483 12/29/92
5,174,382 07/788,842 12/29/92
5,174,388 07/757,206 12/29/92
5,174,394 07/769,085 12/29/92
5,174,402 07/743,222 12/29/92
5,174,404 07/762,684 12/29/92
5,174,417 07/651,798 12/29/92
5,174,419 07/779,036 12/29/92
5,174,423 07/733,079 12/29/92
5,174,424 07/630,394 12/29/92
5,174,433 07/886,756 12/29/92
5,174,436 07/718,216 12/29/92
5,174,456 07/868,476 12/29/92
5,174,462 07/778,285 12/29/92
5,174,470 07/872,006 12/29/92
5,174,476 07/696,070 12/29/92
5,174,478 07/821,798 12/29/92
5,174,481 07/766,059 12/29/92
5,174,484 07/781,500 12/29/92
5,174,488 07/908,063 12/29/92
5,174,495 07/735,379 12/29/92
5,174,503 07/719,931 12/29/92
5,174,504 07/624,080 12/29/92
5,174,507 07/815,260 12/29/92
5,174,511 07/678,840 12/29/92
5,174,513 07/703,780 12/29/92
5,174,515 07/644,168 12/29/92
5,174,516 07/641,298 12/29/92
5,174,526 07/799,400 12/29/92
5,174,531 07/736,418 12/29/92
5,174,532 07/755,858 12/29/92
5,174,542 07/652,787 12/29/92
5,174,543 07/812,391 12/29/92
5,174,548 07/782,824 12/29/92
5,174,550 07/781,714 12/29/92
5,174,551 07/717,311 12/29/92
5,174,555 07/828,250 12/29/92
5,174,556 07/795,214 12/29/92
5,174,558 07/733,291 12/29/92
5,174,573 07/531,105 12/29/92
5,174,574 07/796,604 12/29/92
5,174,577 07/796,577 12/29/92
5,174,580 07/870,687 12/29/92
5,174,588 07/768,957 12/29/92
5,174,590 07/725,111 12/29/92
5,174,596 07/651,226 12/29/92
5,174,598 07/798,089 12/29/92
5,174,604 07/743,938 12/29/92
5,174,614 07/725,573 12/29/92
5,174,617 07/836,607 12/29/92
5,174,635 07/763,011 12/29/92
5,174,639 07/733,159 12/29/92
5,174,644 07/716,236 12/29/92
5,174,647 07/763,325 12/29/92
5,174,651 07/667,810 12/29/92
5,174,654 07/852,309 12/29/92
5,174,659 07/719,190 12/29/92
5,174,664 07/742,182 12/29/92
5,174,666 07/834,098 12/29/92
5,174,671 07/783,482 12/29/92
5,174,695 07/634,228 12/29/92
5,174,700 07/551,140 12/29/92
5,174,701 07/702,307 12/29/92
5,174,702 07/650,213 12/29/92
5,174,707 07/762,804 12/29/92
5,174,710 07/676,088 12/29/92
5,174,720 07/807,159 12/29/92
5,174,736 07/719,262 12/29/92
5,174,743 07/577,863 12/29/92
5,174,747 07/754,448 12/29/92
5,174,748 07/757,097 12/29/92
5,174,750 07/707,371 12/29/92
5,174,761 07/892,592 12/29/92
5,174,763 07/807,666 12/29/92
5,174,764 07/812,253 12/29/92
5,174,781 07/876,991 12/29/92
5,174,782 07/817,181 12/29/92
5,174,800 07/805,589 12/29/92
5,174,804 07/415,162 12/29/92
5,174,810 07/837,389 12/29/92
5,174,811 07/591,040 12/29/92
5,174,814 07/541,008 12/29/92
5,174,817 07/539,759 12/29/92
5,174,820 07/832,654 12/29/92
5,174,822 07/637,125 12/29/92
5,174,824 07/606,978 12/29/92
5,174,827 07/863,389 12/29/92
5,174,829 07/634,192 12/29/92
5,174,843 07/312,613 12/29/92
5,174,848 07/678,239 12/29/92
5,174,851 07/694,436 12/29/92
5,174,854 07/697,076 12/29/92
5,174,855 07/511,194 12/29/92
5,174,858 07/710,087 12/29/92
5,174,860 07/433,604 12/29/92
5,174,863 07/727,086 12/29/92
5,174,864 07/598,301 12/29/92
5,174,867 06/584,315 12/29/92
5,174,873 07/672,141 12/29/92
5,174,878 07/696,665 12/29/92
5,174,893 07/713,689 12/29/92
5,174,897 07/764,924 12/29/92
5,174,898 07/847,903 12/29/92
5,174,900 07/587,868 12/29/92
5,174,902 07/485,939 12/29/92
5,174,910 07/585,805 12/29/92
5,174,915 07/791,076 12/29/92
5,174,918 07/506,993 12/29/92
5,174,923 07/572,585 12/29/92
5,174,924 07/532,712 12/29/92
5,174,928 07/472,752 12/29/92
5,174,929 07/576,624 12/29/92
5,174,934 07/639,904 12/29/92
5,174,935 07/130,100 12/29/92
5,174,939 07/786,689 12/29/92
5,174,940 07/671,988 12/29/92
5,174,941 07/892,611 12/29/92
5,174,944 07/438,778 12/29/92
5,174,947 07/628,121 12/29/92
5,174,950 07/697,684 12/29/92
5,174,952 07/578,248 12/29/92
5,174,953 07/773,160 12/29/92
5,174,954 07/662,001 12/29/92
5,174,957 07/816,901 12/29/92
5,174,962 07/459,728 12/29/92
5,174,963 07/638,170 12/29/92
5,174,967 07/614,694 12/29/92
5,174,968 07/626,672 12/29/92
5,174,970 07/475,028 12/29/92
5,174,980 07/771,571 12/29/92
5,174,982 07/626,151 12/29/92
5,174,994 07/384,117 12/29/92
5,175,000 07/696,093 12/29/92
5,175,011 07/782,788 12/29/92
5,175,012 07/678,590 12/29/92
5,175,014 07/080,462 12/29/92
5,175,024 07/790,602 12/29/92
5,175,028 07/893,565 12/29/92
5,175,029 07/772,874 12/29/92
5,175,033 07/542,863 12/29/92
5,175,045 07/749,657 12/29/92
5,175,057 07/720,554 12/29/92
5,175,061 07/514,462 12/29/92
5,175,063 07/584,071 12/29/92
5,175,064 07/698,491 12/29/92
5,175,068 07/736,857 12/29/92
5,175,071 07/720,300 12/29/92
5,175,084 07/382,789 12/29/92
5,175,085 07/483,224 12/29/92
5,175,088 07/616,766 12/29/92
5,175,099 07/522,428 12/29/92
5,175,106 07/484,392 12/29/92
5,175,119 07/670,806 12/29/92
5,175,132 07/794,505 12/29/92
5,175,133 07/630,968 12/29/92
5,175,152 07/590,646 12/29/92
5,175,160 07/747,416 12/29/92
5,175,162 07/605,301 12/29/92
5,175,169 07/761,087 12/29/92
5,175,173 07/402,952 12/29/92
5,175,175 07/760,085 12/29/92
5,175,183 07/721,530 12/29/92
5,175,184 07/870,106 12/29/92
5,175,197 07/627,026 12/29/92
5,175,198 07/753,159 12/29/92
5,175,202 07/723,345 12/29/92
5,175,211 07/702,323 12/29/92
5,175,218 07/589,849 12/29/92
5,175,224 07/573,035 12/29/92
5,175,231 07/870,284 12/29/92
5,175,232 07/886,999 12/29/92
5,175,233 07/868,295 12/29/92
5,175,234 07/432,554 12/29/92
5,175,241 07/458,314 12/29/92
5,175,244 07/697,554 12/29/92
5,175,247 07/562,613 12/29/92
5,175,249 07/825,372 12/29/92
5,175,258 07/627,800 12/29/92
5,175,259 07/843,193 12/29/92
5,175,260 07/742,019 12/29/92
5,175,261 07/739,099 12/29/92
5,175,265 07/488,868 12/29/92
5,175,266 07/687,807 12/29/92
5,175,274 07/771,619 12/29/92
5,175,280 07/690,973 12/29/92
5,175,282 07/803,901 12/29/92
5,175,285 07/548,368 12/29/92
5,175,289 07/706,838 12/29/92
5,175,297 07/671,917 12/29/92
5,175,304 07/521,823 12/29/92
5,175,307 07/618,997 12/29/92
5,175,309 07/448,185 12/29/92
5,175,321 07/524,864 12/29/92
5,175,322 07/441,593 12/29/92
5,175,324 07/687,644 12/29/92
5,175,326 07/683,053 12/29/92
5,175,332 07/807,314 12/29/92
5,175,333 07/827,847 12/29/92
5,175,336 07/701,540 12/29/92
5,175,337 07/732,457 12/29/92
5,175,339 07/522,622 12/29/92
5,175,342 07/686,853 12/29/92
5,175,344 07/731,580 12/29/92
5,175,350 07/836,639 12/29/92
5,175,352 07/817,347 12/29/92
5,175,358 07/448,299 12/29/92
5,175,361 07/625,621 12/29/92
5,175,363 07/646,029 12/29/92
5,175,379 07/644,414 12/29/92
5,175,380 07/882,843 12/29/92
5,175,385 07/092,514 12/29/92
5,175,391 07/349,378 12/29/92
5,175,398 07/779,949 12/29/92
5,175,407 07/427,109 12/29/92
5,175,411 07/749,242 12/29/92
5,175,419 07/561,950 12/29/92
5,175,425 07/744,669 12/29/92
5,175,428 07/621,228 12/29/92
5,175,438 07/610,948 12/29/92
5,175,440 07/698,388 12/29/92
5,175,449 07/752,293 12/29/92
5,175,455 07/606,794 12/29/92
5,175,457 07/782,981 12/29/92
5,175,462 07/753,359 12/29/92
5,175,464 07/789,699 12/29/92
5,175,467 07/741,614 12/29/92
5,175,469 07/703,543 12/29/92
5,175,470 07/629,868 12/29/92
5,175,472 07/814,433 12/29/92
5,175,473 07/632,386 12/29/92
5,175,477 07/767,869 12/29/92
5,175,479 07/654,194 12/29/92
5,175,484 07/524,325 12/29/92
5,175,485 07/762,108 12/29/92
5,175,487 07/445,628 12/29/92
5,175,505 07/766,444 12/29/92
5,175,506 07/671,237 12/29/92
5,175,523 07/669,174 12/29/92
5,175,530 07/526,025 12/29/92
5,175,534 07/530,918 12/29/92
5,175,536 07/561,845 12/29/92
5,175,541 07/682,579 12/29/92
5,175,545 07/298,118 12/29/92
5,175,553 07/758,584 12/29/92
5,175,558 07/833,184 12/29/92
5,175,561 07/793,314 12/29/92
5,175,571 07/640,224 12/29/92
5,175,575 07/827,154 12/29/92
5,175,582 07/799,534 12/29/92
5,175,584 07/599,994 12/29/92
5,175,589 07/885,159 12/29/92
5,175,592 07/804,399 12/29/92
5,175,593 07/735,608 12/29/92
5,175,594 07/509,646 12/29/92
5,175,623 07/680,576 12/29/92
5,175,625 07/827,513 12/29/92
5,175,630 07/531,381 12/29/92
5,175,641 07/681,019 12/29/92
5,175,646 07/528,225 12/29/92
5,175,652 07/733,464 12/29/92
5,175,656 07/609,573 12/29/92
5,175,659 07/557,522 12/29/92
5,175,667 07/727,404 12/29/92
5,175,676 07/787,627 12/29/92
5,175,678 07/567,873 12/29/92
5,175,689 07/564,764 12/29/92
5,175,690 07/373,791 12/29/92
5,175,698 07/556,745 12/29/92
5,175,700 07/645,953 12/29/92
5,175,712 07/892,068 12/29/92
5,175,720 07/357,506 12/29/92
5,175,725 07/544,885 12/29/92
5,175,731 07/626,792 12/29/92
5,175,734 07/873,697 12/29/92
5,175,742 07/802,183 12/29/92
5,175,748 07/476,895 12/29/92
5,175,756 07/792,177 12/29/92
5,175,765 07/349,448 12/29/92
5,175,768 07/476,529 12/29/92
5,175,776 07/773,734 12/29/92
5,175,780 07/698,380 12/29/92
5,175,782 07/614,539 12/29/92
5,175,787 07/797,009 12/29/92
5,175,789 07/762,984 12/29/92
5,175,796 07/684,173 12/29/92
5,175,813 07/917,798 12/29/92
5,175,815 07/793,297 12/29/92
5,175,822 07/368,679 12/29/92
5,175,826 07/198,890 12/29/92
5,175,830 07/367,838 12/29/92
5,175,842 07/744,831 12/29/92
5,175,846 07/622,662 12/29/92
5,175,861 07/812,853 12/29/92
5,175,882 07/626,744 12/29/92
5,175,883 07/482,095 12/29/92
PATENTS WHICH EXPIRED ON December 31, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,588,153 08/440,495 12/31/96
5,588,156 08/470,584 12/31/96
5,588,157 08/402,183 12/31/96
5,588,158 08/554,729 12/31/96
5,588,160 08/523,552 12/31/96
5,588,161 08/552,785 12/31/96
5,588,162 08/341,375 12/31/96
5,588,164 08/517,848 12/31/96
5,588,166 08/368,439 12/31/96
5,588,174 08/520,208 12/31/96
5,588,175 08/438,103 12/31/96
5,588,176 08/488,176 12/31/96
5,588,182 08/455,925 12/31/96
5,588,184 08/604,023 12/31/96
5,588,188 08/559,877 12/31/96
5,588,190 08/497,395 12/31/96
5,588,199 08/339,523 12/31/96
5,588,211 08/328,717 12/31/96
5,588,212 08/380,424 12/31/96
5,588,218 08/449,489 12/31/96
5,588,224 08/488,381 12/31/96
5,588,227 07/849,433 12/31/96
5,588,229 08/605,453 12/31/96
5,588,230 08/455,848 12/31/96
5,588,231 08/500,182 12/31/96
5,588,235 08/252,007 12/31/96
5,588,237 08/183,035 12/31/96
5,588,240 08/215,094 12/31/96
5,588,246 08/429,664 12/31/96
5,588,247 08/113,185 12/31/96
5,588,250 08/360,003 12/31/96
5,588,252 08/592,917 12/31/96
5,588,257 08/295,272 12/31/96
5,588,265 08/297,264 12/31/96
5,588,268 08/392,759 12/31/96
5,588,273 08/384,144 12/31/96
5,588,274 08/092,602 12/31/96
5,588,283 08/483,758 12/31/96
5,588,284 08/419,423 12/31/96
5,588,301 08/506,399 12/31/96
5,588,303 08/521,378 12/31/96
5,588,307 08/556,192 12/31/96
5,588,316 08/422,086 12/31/96
5,588,317 08/386,153 12/31/96
5,588,320 07/811,782 12/31/96
5,588,321 08/494,475 12/31/96
5,588,325 08/453,921 12/31/96
5,588,328 08/499,504 12/31/96
5,588,333 08/422,303 12/31/96
5,588,336 08/543,304 12/31/96
5,588,352 08/452,509 12/31/96
5,588,353 08/503,557 12/31/96
5,588,355 08/423,279 12/31/96
5,588,356 08/584,940 12/31/96
5,588,357 08/328,830 12/31/96
5,588,369 08/241,858 12/31/96
5,588,374 08/078,278 12/31/96
5,588,377 08/428,030 12/31/96
5,588,382 08/068,233 12/31/96
5,588,384 08/518,397 12/31/96
5,588,385 08/362,218 12/31/96
5,588,396 08/426,714 12/31/96
5,588,399 08/491,263 12/31/96
5,588,400 08/313,170 12/31/96
5,588,408 08/576,299 12/31/96
5,588,412 08/562,168 12/31/96
5,588,419 08/357,504 12/31/96
5,588,422 07/977,498 12/31/96
5,588,443 08/467,164 12/31/96
5,588,445 08/651,776 12/31/96
5,588,448 08/470,913 12/31/96
5,588,454 08/596,625 12/31/96
5,588,455 08/645,815 12/31/96
5,588,457 08/341,639 12/31/96
5,588,460 08/506,425 12/31/96
5,588,461 08/225,376 12/31/96
5,588,464 08/402,843 12/31/96
5,588,466 08/356,281 12/31/96
5,588,476 08/293,136 12/31/96
5,588,477 08/314,738 12/31/96
5,588,483 08/590,083 12/31/96
5,588,488 08/518,082 12/31/96
5,588,492 08/318,296 12/31/96
5,588,495 08/450,146 12/31/96
5,588,497 08/388,457 12/31/96
5,588,500 08/346,230 12/31/96
5,588,514 08/442,246 12/31/96
5,588,521 08/463,766 12/31/96
5,588,528 08/632,833 12/31/96
5,588,534 08/315,441 12/31/96
5,588,535 08/322,185 12/31/96
5,588,538 08/527,629 12/31/96
5,588,540 08/610,996 12/31/96
5,588,543 08/232,670 12/31/96
5,588,546 08/249,769 12/31/96
5,588,550 08/541,313 12/31/96
5,588,551 08/647,654 12/31/96
5,588,558 08/405,847 12/31/96
5,588,563 08/540,265 12/31/96
5,588,567 08/562,397 12/31/96
5,588,569 08/420,158 12/31/96
5,588,571 08/582,089 12/31/96
5,588,578 08/300,710 12/31/96
5,588,583 08/443,231 12/31/96
5,588,585 08/616,593 12/31/96
5,588,587 08/561,729 12/31/96
5,588,598 08/281,927 12/31/96
5,588,601 08/256,843 12/31/96
5,588,602 08/195,477 12/31/96
5,588,607 08/394,978 12/31/96
5,588,612 08/573,255 12/31/96
5,588,613 08/411,269 12/31/96
5,588,619 08/343,042 12/31/96
5,588,623 08/338,689 12/31/96
5,588,624 08/417,194 12/31/96
5,588,628 08/348,985 12/31/96
5,588,631 08/236,171 12/31/96
5,588,633 08/256,546 12/31/96
5,588,640 08/544,005 12/31/96
5,588,645 08/506,089 12/31/96
5,588,661 08/370,899 12/31/96
5,588,662 08/396,572 12/31/96
5,588,663 08/440,756 12/31/96
5,588,664 08/581,426 12/31/96
5,588,670 08/503,884 12/31/96
5,588,681 08/283,735 12/31/96
5,588,684 08/449,094 12/31/96
5,588,685 08/498,983 12/31/96
5,588,686 08/349,744 12/31/96
5,588,687 08/288,826 12/31/96
5,588,688 08/272,196 12/31/96
5,588,689 08/418,202 12/31/96
5,588,692 08/541,165 12/31/96
5,588,695 08/444,656 12/31/96
5,588,698 08/247,900 12/31/96
5,588,699 08/510,602 12/31/96
5,588,702 08/519,766 12/31/96
5,588,703 08/542,190 12/31/96
5,588,706 08/322,994 12/31/96
5,588,709 08/494,953 12/31/96
5,588,717 08/501,935 12/31/96
5,588,723 08/387,256 12/31/96
5,588,724 08/419,440 12/31/96
5,588,727 08/417,114 12/31/96
5,588,738 08/500,050 12/31/96
5,588,741 08/542,502 12/31/96
5,588,747 08/369,678 12/31/96
5,588,748 08/668,517 12/31/96
5,588,749 08/412,884 12/31/96
5,588,753 08/518,486 12/31/96
5,588,754 08/581,080 12/31/96
5,588,760 08/583,161 12/31/96
5,588,775 08/556,289 12/31/96
5,588,780 08/475,802 12/31/96
5,588,787 08/493,534 12/31/96
5,588,788 08/271,618 12/31/96
5,588,791 08/513,275 12/31/96
5,588,796 08/229,406 12/31/96
5,588,806 08/505,228 12/31/96
5,588,811 08/275,125 12/31/96
5,588,823 08/556,411 12/31/96
5,588,829 08/273,147 12/31/96
5,588,833 08/340,645 12/31/96
5,588,834 08/444,150 12/31/96
5,588,836 08/543,843 12/31/96
5,588,842 08/417,389 12/31/96
5,588,845 08/351,982 12/31/96
5,588,846 08/519,208 12/31/96
5,588,857 08/362,319 12/31/96
5,588,861 08/367,085 12/31/96
5,588,864 08/208,595 12/31/96
5,588,867 08/413,019 12/31/96
5,588,871 08/436,595 12/31/96
5,588,876 08/437,189 12/31/96
5,588,886 08/583,661 12/31/96
5,588,889 08/512,121 12/31/96
5,588,895 08/559,233 12/31/96
5,588,896 08/519,545 12/31/96
5,588,907 08/577,090 12/31/96
5,588,909 08/456,315 12/31/96
5,588,911 08/540,698 12/31/96
5,588,918 08/563,343 12/31/96
5,588,920 08/560,113 12/31/96
5,588,922 08/354,486 12/31/96
5,588,931 08/271,144 12/31/96
5,588,940 08/489,392 12/31/96
5,588,941 08/445,691 12/31/96
5,588,952 08/101,452 12/31/96
5,588,956 08/442,782 12/31/96
5,588,959 08/288,678 12/31/96
5,588,970 08/484,079 12/31/96
5,588,978 08/246,064 12/31/96
5,588,981 08/281,718 12/31/96
5,588,987 08/321,840 12/31/96
5,589,043 08/550,762 12/31/96
5,589,046 08/358,217 12/31/96
5,589,050 08/313,284 12/31/96
5,589,052 07/759,975 12/31/96
5,589,059 08/481,106 12/31/96
5,589,064 08/327,939 12/31/96
5,589,065 08/191,838 12/31/96
5,589,076 08/585,144 12/31/96
5,589,089 08/323,521 12/31/96
5,589,094 08/406,507 12/31/96
5,589,110 08/533,462 12/31/96
5,589,113 08/239,327 12/31/96
5,589,115 07/468,687 12/31/96
5,589,129 08/491,687 12/31/96
5,589,132 08/382,193 12/31/96
5,589,144 07/517,305 12/31/96
5,589,165 08/361,598 12/31/96
5,589,171 08/294,097 12/31/96
5,589,201 08/437,075 12/31/96
5,589,203 08/502,101 12/31/96
5,589,218 08/403,653 12/31/96
5,589,260 08/277,184 12/31/96
5,589,265 08/372,366 12/31/96
5,589,272 08/394,350 12/31/96
5,589,281 08/393,043 12/31/96
5,589,286 08/278,070 12/31/96
5,589,295 08/568,029 12/31/96
5,589,309 08/503,125 12/31/96
5,589,342 07/615,095 12/31/96
5,589,354 08/360,149 12/31/96
5,589,360 08/431,412 12/31/96
5,589,366 08/556,245 12/31/96
5,589,371 08/413,367 12/31/96
5,589,387 08/470,910 12/31/96
5,589,391 08/170,787 12/31/96
5,589,398 08/340,394 12/31/96
5,589,406 08/282,433 12/31/96
5,589,426 08/089,677 12/31/96
5,589,433 08/264,463 12/31/96
5,589,440 08/207,750 12/31/96
5,589,446 08/477,116 12/31/96
5,589,450 08/505,305 12/31/96
5,589,451 07/947,683 12/31/96
5,589,457 08/498,691 12/31/96
5,589,465 08/396,793 12/31/96
5,589,467 08/306,232 12/31/96
5,589,474 08/140,122 12/31/96
5,589,476 08/317,661 12/31/96
5,589,477 07/983,515 12/31/96
5,589,485 08/429,405 12/31/96
5,589,486 08/244,867 12/31/96
5,589,490 08/254,779 12/31/96
5,589,492 08/318,615 12/31/96
5,589,498 08/470,648 12/31/96
5,589,502 08/558,772 12/31/96
5,589,504 08/279,899 12/31/96
5,589,513 08/256,128 12/31/96
5,589,523 08/468,445 12/31/96
5,589,526 08/543,005 12/31/96
5,589,528 08/598,089 12/31/96
5,589,529 08/554,215 12/31/96
5,589,537 08/485,685 12/31/96
5,589,540 08/379,915 12/31/96
5,589,541 08/413,218 12/31/96
5,589,558 08/473,261 12/31/96
5,589,559 08/538,936 12/31/96
5,589,568 08/232,453 12/31/96
5,589,570 08/241,387 12/31/96
5,589,575 08/300,517 12/31/96
5,589,590 08/186,238 12/31/96
5,589,592 08/393,395 12/31/96
5,589,593 08/483,888 12/31/96
5,589,596 08/194,328 12/31/96
5,589,601 08/528,519 12/31/96
5,589,606 08/413,872 12/31/96
5,589,636 08/349,880 12/31/96
5,589,639 08/182,578 12/31/96
5,589,645 08/345,751 12/31/96
5,589,647 08/491,395 12/31/96
5,589,648 08/342,216 12/31/96
5,589,655 08/420,839 12/31/96
5,589,657 08/429,530 12/31/96
5,589,660 08/510,751 12/31/96
5,589,663 08/171,651 12/31/96
5,589,678 08/531,469 12/31/96
5,589,685 08/451,257 12/31/96
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