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 7, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
4,809,364 07/096,335 03/07/89
4,809,375 06/855,138 03/07/89
4,809,384 07/018,022 03/07/89
4,809,402 06/794,022 03/07/89
4,809,405 07/096,709 03/07/89
4,809,406 07/116,328 03/07/89
4,809,411 06/339,780 03/07/89
4,809,424 06/376,070 03/07/89
4,809,425 07/198,288 03/07/89
4,809,426 06/924,342 03/07/89
4,809,427 07/032,441 03/07/89
4,809,432 06/933,973 03/07/89
4,809,437 07/091,120 03/07/89
4,809,438 07/110,467 03/07/89
4,809,443 06/943,749 03/07/89
4,809,446 07/157,511 03/07/89
4,809,466 06/883,889 03/07/89
4,809,473 07/034,107 03/07/89
4,809,476 07/193,127 03/07/89
4,809,485 07/136,272 03/07/89
4,809,486 07/180,535 03/07/89
4,809,495 07/127,461 03/07/89
4,809,499 07/051,887 03/07/89
4,809,508 07/029,306 03/07/89
4,809,516 07/025,737 03/07/89
4,809,523 06/611,197 03/07/89
4,809,524 06/868,606 03/07/89
4,809,533 06/570,998 03/07/89
4,809,534 07/139,803 03/07/89
4,809,538 07/082,537 03/07/89
4,809,540 07/124,587 03/07/89
4,809,550 06/946,526 03/07/89
4,809,553 07/074,357 03/07/89
4,809,560 07/233,124 03/07/89
4,809,561 06/828,525 03/07/89
4,809,575 06/936,271 03/07/89
4,809,576 07/089,191 03/07/89
4,809,586 07/096,574 03/07/89
4,809,587 07/156,836 03/07/89
4,809,591 07/169,837 03/07/89
4,809,593 06/940,664 03/07/89
4,809,604 07/146,736 03/07/89
4,809,609 06/776,530 03/07/89
4,809,611 07/045,964 03/07/89
4,809,621 07/181,382 03/07/89
4,809,624 07/165,053 03/07/89
4,809,627 07/216,787 03/07/89
4,809,645 07/160,804 03/07/89
4,809,650 07/104,910 03/07/89
4,809,652 06/903,317 03/07/89
4,809,668 07/031,033 03/07/89
4,809,671 07/106,387 03/07/89
4,809,672 07/107,558 03/07/89
4,809,695 07/018,662 03/07/89
4,809,709 07/061,946 03/07/89
4,809,717 07/070,892 03/07/89
4,809,719 07/088,596 03/07/89
4,809,734 07/250,083 03/07/89
4,809,743 07/066,505 03/07/89
4,809,758 07/057,500 03/07/89
4,809,762 07/079,096 03/07/89
4,809,765 07/201,370 03/07/89
4,809,768 07/089,527 03/07/89
4,809,770 07/151,178 03/07/89
4,809,780 07/149,801 03/07/89
4,809,782 07/002,610 03/07/89
4,809,790 07/093,305 03/07/89
4,809,791 07/153,317 03/07/89
4,809,796 07/108,927 03/07/89
4,809,801 07/067,971 03/07/89
4,809,807 07/206,974 03/07/89
4,809,817 07/029,988 03/07/89
4,809,826 07/142,389 03/07/89
4,809,838 07/062,188 03/07/89
4,809,841 06/855,394 03/07/89
4,809,859 07/009,670 03/07/89
4,809,860 07/129,237 03/07/89
4,809,864 07/157,919 03/07/89
4,809,867 07/135,376 03/07/89
4,809,872 07/190,322 03/07/89
4,809,874 07/160,718 03/07/89
4,809,877 07/085,884 03/07/89
4,809,878 07/212,129 03/07/89
4,809,886 07/078,953 03/07/89
4,809,890 07/121,084 03/07/89
4,809,900 07/000,119 03/07/89
4,809,905 07/005,702 03/07/89
4,809,911 07/087,211 03/07/89
4,809,914 07/122,513 03/07/89
4,809,918 07/115,291 03/07/89
4,809,919 07/104,360 03/07/89
4,809,930 07/177,868 03/07/89
4,809,932 07/134,364 03/07/89
4,809,943 07/105,622 03/07/89
4,809,952 06/878,648 03/07/89
4,809,954 07/013,650 03/07/89
4,809,959 06/945,886 03/07/89
4,809,960 07/173,146 03/07/89
4,809,969 06/919,896 03/07/89
4,809,982 07/008,685 03/07/89
4,809,987 07/072,397 03/07/89
4,810,002 07/072,047 03/07/89
4,810,003 07/009,954 03/07/89
4,810,006 07/053,808 03/07/89
4,810,016 06/661,571 03/07/89
4,810,019 07/147,308 03/07/89
4,810,020 07/164,516 03/07/89
4,810,021 07/127,589 03/07/89
4,810,022 06/719,076 03/07/89
4,810,024 07/096,366 03/07/89
4,810,025 07/007,000 03/07/89
4,810,026 07/125,947 03/07/89
4,810,035 07/090,602 03/07/89
4,810,042 07/199,934 03/07/89
4,810,047 07/156,333 03/07/89
4,810,048 06/788,258 03/07/89
4,810,052 06/816,808 03/07/89
4,810,054 06/903,280 03/07/89
4,810,059 07/055,494 03/07/89
4,810,061 07/173,301 03/07/89
4,810,068 07/033,582 03/07/89
4,810,073 07/015,455 03/07/89
4,810,078 07/109,437 03/07/89
4,810,080 07/092,488 03/07/89
4,810,084 06/893,713 03/07/89
4,810,088 06/801,162 03/07/89
4,810,099 07/057,300 03/07/89
4,810,124 07/123,766 03/07/89
4,810,125 07/139,882 03/07/89
4,810,134 07/037,621 03/07/89
4,810,138 07/092,622 03/07/89
4,810,141 07/063,626 03/07/89
4,810,147 07/096,045 03/07/89
4,810,154 07/159,617 03/07/89
4,810,156 07/096,073 03/07/89
4,810,157 07/163,820 03/07/89
4,810,164 07/119,475 03/07/89
4,810,169 07/060,011 03/07/89
4,810,170 07/152,341 03/07/89
4,810,179 07/148,873 03/07/89
4,810,186 06/903,987 03/07/89
4,810,187 07/132,242 03/07/89
4,810,191 07/087,404 03/07/89
4,810,197 07/172,662 03/07/89
4,810,209 07/055,203 03/07/89
4,810,221 07/153,862 03/07/89
4,810,237 07/055,621 03/07/89
4,810,239 07/117,620 03/07/89
4,810,240 07/116,524 03/07/89
4,810,241 07/027,659 03/07/89
4,810,251 06/858,160 03/07/89
4,810,261 07/158,424 03/07/89
4,810,267 06/871,988 03/07/89
4,810,270 06/790,700 03/07/89
4,810,275 07/074,340 03/07/89
4,810,293 07/052,110 03/07/89
4,810,297 07/126,350 03/07/89
4,810,298 07/127,596 03/07/89
4,810,306 06/833,946 03/07/89
4,810,318 07/011,416 03/07/89
4,810,322 06/926,299 03/07/89
4,810,332 07/222,486 03/07/89
4,810,341 07/027,660 03/07/89
4,810,346 07/111,207 03/07/89
4,810,349 06/910,920 03/07/89
4,810,354 06/926,308 03/07/89
4,810,359 06/897,233 03/07/89
4,810,363 07/141,180 03/07/89
4,810,368 07/055,125 03/07/89
4,810,371 07/140,060 03/07/89
4,810,378 07/053,884 03/07/89
4,810,396 07/188,517 03/07/89
4,810,400 07/021,470 03/07/89
4,810,402 07/186,144 03/07/89
4,810,404 07/160,996 03/07/89
4,810,416 06/542,714 03/07/89
4,810,417 06/456,761 03/07/89
4,810,426 06/823,178 03/07/89
4,810,431 07/053,471 03/07/89
4,810,434 06/919,991 03/07/89
4,810,440 07/066,363 03/07/89
4,810,443 07/069,098 03/07/89
4,810,466 07/111,641 03/07/89
4,810,523 06/941,350 03/07/89
4,810,526 07/010,846 03/07/89
4,810,530 06/899,835 03/07/89
4,810,534 07/099,022 03/07/89
4,810,536 07/083,760 03/07/89
4,810,537 07/120,187 03/07/89
4,810,543 06/920,232 03/07/89
4,810,551 06/939,477 03/07/89
4,810,566 07/175,357 03/07/89
4,810,568 07/062,356 03/07/89
4,810,574 07/055,198 03/07/89
4,810,575 07/017,337 03/07/89
4,810,579 07/154,888 03/07/89
4,810,580 07/114,538 03/07/89
4,810,582 07/169,936 03/07/89
4,810,592 07/046,265 03/07/89
4,810,597 06/709,204 03/07/89
4,810,616 07/083,611 03/07/89
4,810,625 07/038,658 03/07/89
4,810,631 06/861,818 03/07/89
4,810,639 06/852,708 03/07/89
4,810,641 06/840,763 03/07/89
4,810,654 06/921,333 03/07/89
4,810,662 07/097,042 03/07/89
4,810,674 07/149,471 03/07/89
4,810,676 07/207,890 03/07/89
4,810,677 07/119,478 03/07/89
4,810,681 07/063,771 03/07/89
4,810,682 07/060,172 03/07/89
4,810,684 07/100,662 03/07/89
4,810,686 07/100,663 03/07/89
4,810,687 07/100,661 03/07/89
4,810,696 07/066,452 03/07/89
4,810,699 07/099,025 03/07/89
4,810,702 07/131,779 03/07/89
4,810,708 07/017,027 03/07/89
4,810,718 07/074,352 03/07/89
4,810,721 07/121,887 03/07/89
4,810,727 07/083,238 03/07/89
4,810,732 07/099,805 03/07/89
4,810,735 07/091,001 03/07/89
4,810,740 07/073,786 03/07/89
4,810,742 07/151,214 03/07/89
4,810,743 07/151,213 03/07/89
4,810,744 07/177,201 03/07/89
4,810,759 06/942,226 03/07/89
4,810,797 07/032,437 03/07/89
4,810,807 07/214,788 03/07/89
4,810,818 07/078,707 03/07/89
4,810,820 07/084,546 03/07/89
4,810,823 07/136,094 03/07/89
4,810,825 07/129,662 03/07/89
4,810,826 07/169,554 03/07/89
4,810,827 06/942,423 03/07/89
4,810,828 07/080,407 03/07/89
4,810,834 07/122,774 03/07/89
4,810,836 07/199,717 03/07/89
4,810,837 07/151,649 03/07/89
4,810,838 07/070,912 03/07/89
4,810,839 07/125,383 03/07/89
4,810,844 07/126,366 03/07/89
4,810,854 07/054,455 03/07/89
4,810,912 07/120,452 03/07/89
4,810,929 07/219,826 03/07/89
4,810,940 07/181,066 03/07/89
4,810,949 07/174,290 03/07/89
4,810,959 07/155,794 03/07/89
4,810,966 06/622,120 03/07/89
4,810,972 07/104,720 03/07/89
4,810,979 07/103,727 03/07/89
4,810,989 07/087,100 03/07/89
4,810,990 07/161,473 03/07/89
4,810,995 07/021,666 03/07/89
4,811,002 07/104,442 03/07/89
4,811,003 07/113,040 03/07/89
4,811,006 06/913,175 03/07/89
4,811,015 06/838,551 03/07/89
4,811,016 06/921,593 03/07/89
4,811,020 07/042,827 03/07/89
4,811,027 06/826,276 03/07/89
4,811,030 06/751,203 03/07/89
4,811,044 07/207,930 03/07/89
4,811,046 07/078,743 03/07/89
4,811,056 07/100,989 03/07/89
4,811,064 07/009,017 03/07/89
4,811,066 07/109,658 03/07/89
4,811,100 06/908,654 03/07/89
4,811,102 07/030,936 03/07/89
4,811,103 07/032,124 03/07/89
4,811,104 07/038,245 03/07/89
4,811,137 07/050,531 03/07/89
4,811,142 07/000,885 03/07/89
4,811,143 07/032,016 03/07/89
4,811,146 07/049,211 03/07/89
4,811,147 07/106,021 03/07/89
4,811,149 07/088,051 03/07/89
4,811,153 06/878,358 03/07/89
4,811,156 07/160,717 03/07/89
4,811,157 07/144,513 03/07/89
4,811,178 07/179,580 03/07/89
4,811,185 07/108,462 03/07/89
4,811,186 07/160,381 03/07/89
4,811,198 07/048,353 03/07/89
4,811,211 06/913,055 03/07/89
4,811,214 06/931,549 03/07/89
4,811,219 07/117,907 03/07/89
4,811,224 06/848,827 03/07/89
4,811,225 07/025,389 03/07/89
4,811,226 07/139,121 03/07/89
4,811,241 06/821,103 03/07/89
4,811,252 06/913,292 03/07/89
4,811,253 06/841,511 03/07/89
4,811,254 06/940,545 03/07/89
4,811,259 06/826,804 03/07/89
4,811,267 07/162,306 03/07/89
4,811,271 07/065,545 03/07/89
4,811,276 06/946,947 03/07/89
4,811,284 07/042,553 03/07/89
4,811,288 06/877,907 03/07/89
4,811,289 07/012,819 03/07/89
4,811,294 06/876,914 03/07/89
4,811,298 07/087,489 03/07/89
4,811,300 07/026,239 03/07/89
4,811,302 07/065,756 03/07/89
4,811,303 06/933,156 03/07/89
4,811,305 07/024,212 03/07/89
4,811,317 07/066,805 03/07/89
4,811,322 07/216,667 03/07/89
4,811,334 07/063,367 03/07/89
4,811,336 07/002,338 03/07/89
4,811,337 07/145,443 03/07/89
4,811,339 07/033,276 03/07/89
4,811,342 06/797,280 03/07/89
4,811,343 07/020,637 03/07/89
4,811,360 07/144,534 03/07/89
4,811,365 06/928,203 03/07/89
4,811,368 07/092,880 03/07/89
4,811,386 07/081,306 03/07/89
4,811,388 07/087,183 03/07/89
4,811,391 07/055,484 03/07/89
4,811,395 07/105,644 03/07/89
4,811,401 07/207,926 03/07/89
4,811,402 06/932,812 03/07/89
4,811,414 07/020,331 03/07/89
4,811,416 06/911,438 03/07/89
4,811,419 07/185,981 03/07/89
PATENTS WHICH EXPIRED ON March 2, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,189,735 07/671,503 03/02/93
5,189,738 07/740,804 03/02/93
5,189,739 07/763,285 03/02/93
5,189,750 07/727,029 03/02/93
5,189,754 07/621,993 03/02/93
5,189,755 07/866,893 03/02/93
5,189,756 07/628,630 03/02/93
5,189,765 07/730,478 03/02/93
5,189,767 07/794,419 03/02/93
5,189,773 07/730,238 03/02/93
5,189,774 07/909,587 03/02/93
5,189,780 07/911,147 03/02/93
5,189,794 07/807,994 03/02/93
5,189,803 07/733,700 03/02/93
5,189,813 07/658,650 03/02/93
5,189,816 07/782,038 03/02/93
5,189,822 07/571,982 03/02/93
5,189,823 07/692,117 03/02/93
5,189,825 07/768,924 03/02/93
5,189,828 07/816,605 03/02/93
5,189,831 07/572,486 03/02/93
5,189,832 07/641,060 03/02/93
5,189,833 07/848,676 03/02/93
5,189,841 07/195,307 03/02/93
5,189,843 07/575,281 03/02/93
5,189,844 07/813,467 03/02/93
5,189,850 07/830,059 03/02/93
5,189,851 07/759,744 03/02/93
5,189,855 07/849,964 03/02/93
5,189,856 07/637,440 03/02/93
5,189,858 07/692,533 03/02/93
5,189,859 07/754,948 03/02/93
5,189,863 07/855,514 03/02/93
5,189,864 07/880,884 03/02/93
5,189,865 07/892,954 03/02/93
5,189,866 07/681,721 03/02/93
5,189,867 07/598,673 03/02/93
5,189,869 07/784,555 03/02/93
5,189,872 07/890,295 03/02/93
5,189,873 07/758,009 03/02/93
5,189,881 07/780,031 03/02/93
5,189,882 07/827,696 03/02/93
5,189,888 07/498,998 03/02/93
5,189,889 07/782,168 03/02/93
5,189,890 07/914,656 03/02/93
5,189,891 07/769,591 03/02/93
5,189,893 07/719,801 03/02/93
5,189,894 07/833,004 03/02/93
5,189,907 07/661,662 03/02/93
5,189,918 07/530,590 03/02/93
5,189,922 07/519,848 03/02/93
5,189,926 07/715,532 03/02/93
5,189,929 07/848,515 03/02/93
5,189,930 07/656,519 03/02/93
5,189,940 07/759,390 03/02/93
5,189,942 07/721,655 03/02/93
5,189,950 07/769,427 03/02/93
5,189,952 07/666,885 03/02/93
5,189,960 07/795,945 03/02/93
5,189,965 07/517,940 03/02/93
5,189,966 07/874,065 03/02/93
5,189,978 07/788,625 03/02/93
5,189,981 07/746,786 03/02/93
5,189,986 07/764,436 03/02/93
5,189,989 07/809,523 03/02/93
5,189,994 07/747,615 03/02/93
5,190,010 07/801,467 03/02/93
5,190,016 07/766,262 03/02/93
5,190,033 07/712,962 03/02/93
5,190,040 07/743,618 03/02/93
5,190,049 07/524,847 03/02/93
5,190,051 07/508,801 03/02/93
5,190,054 07/736,538 03/02/93
5,190,056 07/834,488 03/02/93
5,190,065 07/799,815 03/02/93
5,190,069 07/874,501 03/02/93
5,190,072 07/889,191 03/02/93
5,190,077 07/783,630 03/02/93
5,190,087 07/901,861 03/02/93
5,190,094 07/381,658 03/02/93
5,190,096 07/620,460 03/02/93
5,190,099 07/695,145 03/02/93
5,190,108 07/746,695 03/02/93
5,190,109 07/770,815 03/02/93
5,190,113 07/746,898 03/02/93
5,190,116 07/778,707 03/02/93
5,190,123 07/724,188 03/02/93
5,190,132 07/458,723 03/02/93
5,190,134 07/809,920 03/02/93
5,190,138 07/667,105 03/02/93
5,190,142 07/664,086 03/02/93
5,190,143 07/836,018 03/02/93
5,190,154 07/759,414 03/02/93
5,190,159 07/856,305 03/02/93
5,190,169 07/710,041 03/02/93
5,190,171 07/726,743 03/02/93
5,190,176 07/814,696 03/02/93
5,190,184 07/907,375 03/02/93
5,190,187 07/789,840 03/02/93
5,190,191 07/668,959 03/02/93
5,190,196 07/772,109 03/02/93
5,190,201 07/837,564 03/02/93
5,190,205 07/785,494 03/02/93
5,190,215 07/785,281 03/02/93
5,190,216 07/687,840 03/02/93
5,190,217 07/749,914 03/02/93
5,190,231 07/712,067 03/02/93
5,190,248 07/610,237 03/02/93
5,190,252 07/497,881 03/02/93
5,190,253 07/827,313 03/02/93
5,190,257 07/772,226 03/02/93
5,190,260 07/758,335 03/02/93
5,190,261 07/837,643 03/02/93
5,190,268 07/822,362 03/02/93
5,190,272 07/631,370 03/02/93
5,190,273 07/684,507 03/02/93
5,190,275 07/405,704 03/02/93
5,190,278 07/689,803 03/02/93
5,190,284 07/885,181 03/02/93
5,190,285 07/767,585 03/02/93
5,190,288 07/811,256 03/02/93
5,190,289 07/669,721 03/02/93
5,190,290 07/788,927 03/02/93
5,190,296 07/796,787 03/02/93
5,190,302 07/782,744 03/02/93
5,190,303 07/873,700 03/02/93
5,190,306 07/830,183 03/02/93
5,190,310 07/634,160 03/02/93
5,190,313 07/741,348 03/02/93
5,190,316 07/751,995 03/02/93
5,190,319 07/769,444 03/02/93
5,190,322 07/756,095 03/02/93
5,190,329 07/833,115 03/02/93
5,190,333 07/681,294 03/02/93
5,190,339 07/901,964 03/02/93
5,190,343 07/748,750 03/02/93
5,190,346 07/912,560 03/02/93
5,190,361 07/814,601 03/02/93
5,190,362 07/726,675 03/02/93
5,190,367 07/784,080 03/02/93
5,190,368 07/846,818 03/02/93
5,190,371 07/640,307 03/02/93
5,190,375 07/568,721 03/02/93
5,190,380 07/806,375 03/02/93
5,190,387 07/851,079 03/02/93
5,190,393 07/613,555 03/02/93
5,190,396 07/768,576 03/02/93
5,190,401 07/690,117 03/02/93
5,190,406 07/806,640 03/02/93
5,190,407 07/817,286 03/02/93
5,190,412 07/864,642 03/02/93
5,190,415 07/754,509 03/02/93
5,190,416 07/758,737 03/02/93
5,190,419 07/717,644 03/02/93
5,190,428 07/475,987 03/02/93
5,190,429 07/728,614 03/02/93
5,190,435 07/277,252 03/02/93
5,190,436 07/710,850 03/02/93
5,190,441 07/566,203 03/02/93
5,190,442 07/755,646 03/02/93
5,190,443 07/706,599 03/02/93
5,190,447 07/855,827 03/02/93
5,190,455 07/309,152 03/02/93
5,190,463 07/797,575 03/02/93
5,190,464 07/895,185 03/02/93
5,190,469 07/893,037 03/02/93
5,190,470 07/797,494 03/02/93
5,190,473 07/884,790 03/02/93
5,190,474 07/898,460 03/02/93
5,190,475 07/831,723 03/02/93
5,190,484 07/929,531 03/02/93
5,190,485 07/829,696 03/02/93
5,190,510 07/755,482 03/02/93
5,190,511 07/754,442 03/02/93
5,190,512 07/788,925 03/02/93
5,190,513 07/748,025 03/02/93
5,190,514 07/776,087 03/02/93
5,190,519 07/704,330 03/02/93
5,190,526 07/946,662 03/02/93
5,190,529 07/703,321 03/02/93
5,190,539 07/550,519 03/02/93
5,190,564 07/828,299 03/02/93
5,190,567 07/653,313 03/02/93
5,190,569 07/714,668 03/02/93
5,190,572 07/664,874 03/02/93
5,190,575 07/809,649 03/02/93
5,190,578 07/802,826 03/02/93
5,190,580 07/782,624 03/02/93
5,190,587 07/884,419 03/02/93
5,190,588 07/752,051 03/02/93
5,190,592 07/684,371 03/02/93
5,190,598 07/867,996 03/02/93
5,190,599 07/586,983 03/02/93
5,190,601 07/808,154 03/02/93
5,190,603 07/721,407 03/02/93
5,190,605 07/762,810 03/02/93
5,190,610 07/784,131 03/02/93
5,190,611 07/654,938 03/02/93
5,190,616 07/566,462 03/02/93
5,190,623 07/335,661 03/02/93
5,190,638 07/805,348 03/02/93
5,190,644 07/843,531 03/02/93
5,190,651 07/720,263 03/02/93
5,190,659 07/549,596 03/02/93
5,190,667 07/717,654 03/02/93
5,190,669 07/797,606 03/02/93
5,190,670 07/882,968 03/02/93
5,190,671 07/769,776 03/02/93
5,190,672 07/703,096 03/02/93
5,190,676 07/620,110 03/02/93
5,190,682 07/857,906 03/02/93
5,190,686 07/395,058 03/02/93
5,190,687 07/413,625 03/02/93
5,190,689 07/746,219 03/02/93
5,190,697 07/629,249 03/02/93
5,190,703 07/633,547 03/02/93
5,190,704 07/768,517 03/02/93
5,190,707 07/783,774 03/02/93
5,190,708 07/089,327 03/02/93
5,190,710 07/659,213 03/02/93
5,190,716 07/794,056 03/02/93
5,190,721 07/812,465 03/02/93
5,190,725 07/692,195 03/02/93
5,190,729 07/655,648 03/02/93
5,190,735 07/860,617 03/02/93
5,190,736 07/779,550 03/02/93
5,190,741 07/741,481 03/02/93
5,190,743 07/774,494 03/02/93
5,190,751 07/766,911 03/02/93
5,190,761 07/537,191 03/02/93
5,190,769 07/826,826 03/02/93
5,190,773 07/793,901 03/02/93
5,190,777 07/519,353 03/02/93
5,190,780 07/691,690 03/02/93
5,190,785 07/710,064 03/02/93
5,190,786 07/839,527 03/02/93
5,190,792 07/413,357 03/02/93
5,190,799 07/697,807 03/02/93
5,190,800 07/716,875 03/02/93
5,190,801 07/631,939 03/02/93
5,190,817 07/611,526 03/02/93
5,190,819 07/765,786 03/02/93
5,190,828 07/725,797 03/02/93
5,190,830 07/722,145 03/02/93
5,190,832 07/811,066 03/02/93
5,190,833 07/633,518 03/02/93
5,190,848 07/623,731 03/02/93
5,190,854 07/727,818 03/02/93
5,190,861 07/348,701 03/02/93
5,190,866 07/826,371 03/02/93
5,190,874 07/401,507 03/02/93
5,190,879 07/742,084 03/02/93
5,190,881 07/831,017 03/02/93
5,190,889 07/803,930 03/02/93
5,190,890 07/742,597 03/02/93
5,190,908 07/719,408 03/02/93
5,190,909 07/613,018 03/02/93
5,190,912 07/806,986 03/02/93
5,190,914 07/662,457 03/02/93
5,190,916 07/157,508 03/02/93
5,190,921 07/825,294 03/02/93
5,190,922 07/710,209 03/02/93
5,190,923 07/710,283 03/02/93
5,190,929 07/198,406 03/02/93
5,190,932 07/551,591 03/02/93
5,190,934 07/845,869 03/02/93
5,190,940 07/796,500 03/02/93
5,190,947 07/746,676 03/02/93
5,190,956 07/579,919 03/02/93
5,190,957 07/852,922 03/02/93
5,190,964 07/480,448 03/02/93
5,190,965 07/891,545 03/02/93
5,190,967 07/711,068 03/02/93
5,190,971 07/798,386 03/02/93
5,190,974 07/725,985 03/02/93
5,190,977 07/795,513 03/02/93
5,190,979 07/896,735 03/02/93
5,190,983 07/651,936 03/02/93
5,190,985 07/768,990 03/02/93
5,190,988 07/706,706 03/02/93
5,191,000 07/697,988 03/02/93
5,191,003 07/741,617 03/02/93
5,191,007 07/755,086 03/02/93
5,191,010 07/601,048 03/02/93
5,191,012 07/677,010 03/02/93
5,191,019 07/768,975 03/02/93
5,191,025 07/831,788 03/02/93
5,191,027 07/522,025 03/02/93
5,191,028 07/752,897 03/02/93
5,191,030 07/762,112 03/02/93
5,191,031 07/798,038 03/02/93
5,191,032 07/796,384 03/02/93
5,191,034 07/901,478 03/02/93
5,191,035 07/768,009 03/02/93
5,191,037 07/778,276 03/02/93
5,191,044 07/772,804 03/02/93
5,191,049 07/813,888 03/02/93
5,191,050 07/729,789 03/02/93
5,191,059 07/685,378 03/02/93
5,191,087 07/914,574 03/02/93
5,191,089 07/565,536 03/02/93
5,191,091 07/825,339 03/02/93
5,191,092 07/588,793 03/02/93
5,191,102 07/913,345 03/02/93
5,191,109 07/648,893 03/02/93
5,191,112 07/571,871 03/02/93
5,191,113 07/802,605 03/02/93
5,191,115 07/623,715 03/02/93
5,191,127 07/743,074 03/02/93
5,191,129 07/877,642 03/02/93
5,191,133 07/704,574 03/02/93
5,191,137 07/873,843 03/02/93
5,191,153 07/787,151 03/02/93
5,191,156 07/868,143 03/02/93
5,191,157 07/680,949 03/02/93
5,191,162 07/755,338 03/02/93
5,191,163 07/864,912 03/02/93
5,191,164 07/678,430 03/02/93
5,191,165 07/769,258 03/02/93
5,191,167 07/890,429 03/02/93
5,191,168 07/828,321 03/02/93
5,191,172 07/788,807 03/02/93
5,191,180 07/728,368 03/02/93
5,191,181 07/561,059 03/02/93
5,191,184 07/780,467 03/02/93
5,191,191 07/665,941 03/02/93
5,191,202 07/668,638 03/02/93
5,191,206 07/685,858 03/02/93
5,191,208 07/764,215 03/02/93
5,191,210 07/819,732 03/02/93
5,191,211 07/856,263 03/02/93
5,191,214 07/621,892 03/02/93
5,191,220 07/751,180 03/02/93
5,191,224 07/627,881 03/02/93
5,191,225 07/784,465 03/02/93
5,191,233 07/847,930 03/02/93
5,191,235 07/827,000 03/02/93
5,191,251 07/650,598 03/02/93
5,191,252 07/873,094 03/02/93
5,191,253 07/726,756 03/02/93
5,191,255 07/656,798 03/02/93
5,191,266 07/480,637 03/02/93
5,191,267 07/837,899 03/02/93
5,191,272 07/776,418 03/02/93
5,191,278 07/780,600 03/02/93
5,191,280 07/735,596 03/02/93
5,191,284 07/723,746 03/02/93
5,191,288 07/721,701 03/02/93
5,191,289 07/638,162 03/02/93
5,191,296 07/762,349 03/02/93
5,191,301 07/881,960 03/02/93
5,191,304 07/661,874 03/02/93
5,191,305 07/725,010 03/02/93
5,191,309 07/749,801 03/02/93
5,191,311 07/900,373 03/02/93
5,191,314 07/575,974 03/02/93
5,191,323 07/681,611 03/02/93
5,191,324 07/650,756 03/02/93
5,191,329 07/436,080 03/02/93
5,191,335 07/612,726 03/02/93
5,191,343 07/836,668 03/02/93
5,191,345 07/793,095 03/02/93
5,191,346 07/706,003 03/02/93
5,191,358 07/669,058 03/02/93
5,191,362 07/657,851 03/02/93
5,191,366 07/671,485 03/02/93
5,191,391 07/647,716 03/02/93
5,191,392 07/757,054 03/02/93
5,191,394 07/783,747 03/02/93
5,191,407 07/641,547 03/02/93
5,191,416 07/637,486 03/02/93
5,191,418 07/658,335 03/02/93
5,191,419 07/690,620 03/02/93
5,191,458 07/713,503 03/02/93
5,191,461 07/702,448 03/02/93
5,191,481 07/757,221 03/02/93
5,191,483 07/756,062 03/02/93
5,191,485 07/762,719 03/02/93
5,191,486 07/860,323 03/02/93
5,191,495 07/601,785 03/02/93
5,191,500 07/580,453 03/02/93
5,191,502 07/655,853 03/02/93
5,191,503 07/679,188 03/02/93
5,191,509 07/806,080 03/02/93
5,191,515 07/719,712 03/02/93
5,191,516 07/673,480 03/02/93
5,191,518 07/745,425 03/02/93
5,191,520 07/730,898 03/02/93
5,191,522 07/467,843 03/02/93
5,191,530 07/737,725 03/02/93
5,191,544 07/538,438 03/02/93
5,191,560 07/774,968 03/02/93
5,191,562 07/585,342 03/02/93
5,191,574 07/664,767 03/02/93
5,191,594 07/798,780 03/02/93
5,191,599 07/790,588 03/02/93
5,191,615 07/466,507 03/02/93
5,191,627 07/586,644 03/02/93
5,191,633 07/842,111 03/02/93
5,191,646 07/765,462 03/02/93
5,191,647 07/652,318 03/02/93
5,191,650 07/393,923 03/02/93
PATENTS WHICH EXPIRED ON March 4, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,606,749 08/445,190 03/04/97
5,606,750 08/393,421 03/04/97
5,606,753 08/471,520 03/04/97
5,606,755 08/417,518 03/04/97
5,606,756 08/626,474 03/04/97
5,606,757 08/433,140 03/04/97
5,606,758 08/543,737 03/04/97
5,606,760 08/486,914 03/04/97
5,606,761 08/546,817 03/04/97
5,606,764 08/443,367 03/04/97
5,606,765 08/523,166 03/04/97
5,606,768 08/516,951 03/04/97
5,606,772 08/382,694 03/04/97
5,606,777 08/524,793 03/04/97
5,606,779 08/654,096 03/04/97
5,606,798 07/946,380 03/04/97
5,606,803 08/510,974 03/04/97
5,606,804 08/546,878 03/04/97
5,606,806 08/418,127 03/04/97
5,606,807 08/578,356 03/04/97
5,606,814 08/505,197 03/04/97
5,606,816 08/431,856 03/04/97
5,606,818 08/426,267 03/04/97
5,606,821 08/257,257 03/04/97
5,606,822 08/646,051 03/04/97
5,606,826 08/413,717 03/04/97
5,606,830 08/411,120 03/04/97
5,606,853 08/430,386 03/04/97
5,606,854 08/425,914 03/04/97
5,606,857 08/500,220 03/04/97
5,606,859 08/103,546 03/04/97
5,606,868 08/399,945 03/04/97
5,606,873 08/480,368 03/04/97
5,606,874 08/617,436 03/04/97
5,606,879 08/450,487 03/04/97
5,606,886 08/374,138 03/04/97
5,606,888 08/502,647 03/04/97
5,606,894 08/511,726 03/04/97
5,606,896 08/383,916 03/04/97
5,606,901 08/436,373 03/04/97
5,606,904 08/544,114 03/04/97
5,606,908 08/331,194 03/04/97
5,606,916 08/428,666 03/04/97
5,606,926 08/532,238 03/04/97
5,606,928 08/458,257 03/04/97
5,606,929 08/687,097 03/04/97
5,606,930 08/622,200 03/04/97
5,606,933 08/394,245 03/04/97
5,606,935 08/331,471 03/04/97
5,606,939 08/550,512 03/04/97
5,606,944 08/618,316 03/04/97
5,606,945 08/363,048 03/04/97
5,606,947 08/412,584 03/04/97
5,606,961 08/326,537 03/04/97
5,606,963 08/350,417 03/04/97
5,606,964 08/525,961 03/04/97
5,606,966 08/373,232 03/04/97
5,606,967 08/566,087 03/04/97
5,606,982 08/308,384 03/04/97
5,606,984 08/351,345 03/04/97
5,606,986 08/377,100 03/04/97
5,606,987 08/413,480 03/04/97
5,607,004 08/501,558 03/04/97
5,607,005 08/489,417 03/04/97
5,607,006 08/339,356 03/04/97
5,607,007 08/325,898 03/04/97
5,607,010 08/423,986 03/04/97
5,607,020 08/186,330 03/04/97
5,607,021 08/488,772 03/04/97
5,607,022 08/401,957 03/04/97
5,607,030 08/573,191 03/04/97
5,607,042 08/356,874 03/04/97
5,607,053 08/311,225 03/04/97
5,607,055 08/403,996 03/04/97
5,607,060 08/469,607 03/04/97
5,607,064 08/390,536 03/04/97
5,607,065 08/368,621 03/04/97
5,607,066 08/415,307 03/04/97
5,607,070 08/262,537 03/04/97
5,607,090 08/365,040 03/04/97
5,607,092 08/350,825 03/04/97
5,607,093 08/490,172 03/04/97
5,607,103 08/526,870 03/04/97
5,607,104 08/415,496 03/04/97
5,607,107 08/120,247 03/04/97
5,607,109 08/356,565 03/04/97
5,607,112 08/517,738 03/04/97
5,607,115 08/235,528 03/04/97
5,607,116 08/272,430 03/04/97
5,607,119 08/543,796 03/04/97
5,607,121 08/562,996 03/04/97
5,607,124 08/456,538 03/04/97
5,607,125 08/518,297 03/04/97
5,607,132 08/489,669 03/04/97
5,607,133 08/191,870 03/04/97
5,607,134 08/228,771 03/04/97
5,607,154 08/513,096 03/04/97
5,607,155 08/436,221 03/04/97
5,607,158 08/555,544 03/04/97
5,607,168 08/353,200 03/04/97
5,607,170 08/343,469 03/04/97
5,607,173 08/507,020 03/04/97
5,607,180 08/287,335 03/04/97
5,607,186 08/427,266 03/04/97
5,607,187 08/199,316 03/04/97
5,607,200 08/426,241 03/04/97
5,607,204 08/482,615 03/04/97
5,607,226 08/659,875 03/04/97
5,607,229 08/415,424 03/04/97
5,607,234 08/056,994 03/04/97
5,607,250 08/407,640 03/04/97
5,607,256 08/386,737 03/04/97
5,607,270 08/234,179 03/04/97
5,607,278 08/386,293 03/04/97
5,607,287 08/570,541 03/04/97
5,607,292 08/504,394 03/04/97
5,607,300 08/557,603 03/04/97
5,607,303 08/285,646 03/04/97
5,607,309 08/229,235 03/04/97
5,607,333 08/507,340 03/04/97
5,607,340 08/467,074 03/04/97
5,607,343 08/294,107 03/04/97
5,607,346 08/367,301 03/04/97
5,607,347 08/628,892 03/04/97
5,607,348 08/482,947 03/04/97
5,607,350 08/408,061 03/04/97
5,607,359 08/595,650 03/04/97
5,607,362 08/538,715 03/04/97
5,607,374 08/569,756 03/04/97
5,607,376 08/541,599 03/04/97
5,607,379 08/506,074 03/04/97
5,607,380 08/428,898 03/04/97
5,607,382 08/251,320 03/04/97
5,607,396 08/438,578 03/04/97
5,607,404 08/226,205 03/04/97
5,607,419 08/426,855 03/04/97
5,607,424 08/420,722 03/04/97
5,607,439 08/315,506 03/04/97
5,607,445 08/367,239 03/04/97
5,607,449 08/455,540 03/04/97
5,607,460 08/616,256 03/04/97
5,607,487 08/424,189 03/04/97
5,607,495 08/338,638 03/04/97
5,607,499 08/607,019 03/04/97
5,607,502 08/547,697 03/04/97
5,607,503 08/116,398 03/04/97
5,607,512 08/204,464 03/04/97
5,607,518 08/393,107 03/04/97
5,607,526 08/378,573 03/04/97
5,607,539 08/419,059 03/04/97
5,607,544 08/411,148 03/04/97
5,607,563 08/566,547 03/04/97
5,607,572 08/407,813 03/04/97
5,607,576 08/367,500 03/04/97
5,607,581 08/551,104 03/04/97
5,607,583 08/620,138 03/04/97
5,607,585 08/503,108 03/04/97
5,607,588 08/396,118 03/04/97
5,607,611 08/366,467 03/04/97
5,607,618 08/109,229 03/04/97
5,607,656 08/597,201 03/04/97
5,607,660 08/246,888 03/04/97
5,607,674 08/428,175 03/04/97
5,607,688 08/370,473 03/04/97
5,607,689 08/582,014 03/04/97
5,607,693 08/457,303 03/04/97
5,607,700 08/228,263 03/04/97
5,607,713 08/424,555 03/04/97
5,607,719 08/296,987 03/04/97
5,607,728 08/514,043 03/04/97
5,607,730 08/662,570 03/04/97
5,607,736 08/466,477 03/04/97
5,607,748 08/290,338 03/04/97
5,607,761 08/418,199 03/04/97
5,607,772 08/401,705 03/04/97
5,607,777 08/475,239 03/04/97
5,607,783 08/255,879 03/04/97
5,607,787 08/238,164 03/04/97
5,607,793 08/484,517 03/04/97
5,607,794 08/515,653 03/04/97
5,607,817 08/292,755 03/04/97
5,607,825 08/486,443 03/04/97
5,607,841 08/262,607 03/04/97
5,607,842 08/230,427 03/04/97
5,607,860 08/477,657 03/04/97
5,607,877 08/321,013 03/04/97
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