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 February 28, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
4,807,314 07/113,945 02/28/89
4,807,332 07/060,930 02/28/89
4,807,338 07/141,549 02/28/89
4,807,354 07/151,546 02/28/89
4,807,357 07/043,940 02/28/89
4,807,358 07/074,647 02/28/89
4,807,364 07/034,592 02/28/89
4,807,367 07/061,454 02/28/89
4,807,387 07/161,854 02/28/89
4,807,390 07/164,094 02/28/89
4,807,403 07/167,843 02/28/89
4,807,411 07/181,682 02/28/89
4,807,414 07/104,089 02/28/89
4,807,415 07/193,169 02/28/89
4,807,437 07/168,641 02/28/89
4,807,438 07/014,539 02/28/89
4,807,440 07/109,538 02/28/89
4,807,444 07/104,214 02/28/89
4,807,445 07/124,865 02/28/89
4,807,450 07/202,195 02/28/89
4,807,452 07/174,182 02/28/89
4,807,474 07/132,626 02/28/89
4,807,475 07/092,065 02/28/89
4,807,481 07/031,902 02/28/89
4,807,482 07/051,440 02/28/89
4,807,488 07/092,815 02/28/89
4,807,498 06/921,650 02/28/89
4,807,504 07/089,672 02/28/89
4,807,513 06/468,169 02/28/89
4,807,520 06/656,285 02/28/89
4,807,521 07/125,489 02/28/89
4,807,532 07/096,631 02/28/89
4,807,534 07/092,056 02/28/89
4,807,539 07/189,017 02/28/89
4,807,542 07/123,044 02/28/89
4,807,559 07/092,181 02/28/89
4,807,570 07/100,736 02/28/89
4,807,584 07/120,185 02/28/89
4,807,585 07/014,940 02/28/89
4,807,586 07/059,912 02/28/89
4,807,599 07/047,645 02/28/89
4,807,603 07/051,378 02/28/89
4,807,630 07/107,282 02/28/89
4,807,631 07/107,138 02/28/89
4,807,636 06/905,742 02/28/89
4,807,638 07/111,699 02/28/89
4,807,643 06/408,193 02/28/89
4,807,661 07/128,729 02/28/89
4,807,664 07/113,453 02/28/89
4,807,669 07/013,679 02/28/89
4,807,673 07/098,468 02/28/89
4,807,689 07/013,299 02/28/89
4,807,698 07/035,097 02/28/89
4,807,699 07/052,500 02/28/89
4,807,701 07/087,372 02/28/89
4,807,708 07/079,780 02/28/89
4,807,727 07/099,284 02/28/89
4,807,728 07/026,750 02/28/89
4,807,739 07/011,935 02/28/89
4,807,752 06/819,906 02/28/89
4,807,756 07/030,406 02/28/89
4,807,757 07/081,650 02/28/89
4,807,758 07/138,464 02/28/89
4,807,759 06/846,832 02/28/89
4,807,767 07/043,379 02/28/89
4,807,771 07/095,547 02/28/89
4,807,776 07/093,809 02/28/89
4,807,779 06/889,476 02/28/89
4,807,780 07/077,685 02/28/89
4,807,791 06/838,775 02/28/89
4,807,807 07/048,971 02/28/89
4,807,810 07/059,070 02/28/89
4,807,811 07/095,459 02/28/89
4,807,816 07/222,399 02/28/89
4,807,823 07/171,187 02/28/89
4,807,829 07/157,643 02/28/89
4,807,833 06/850,804 02/28/89
4,807,836 07/168,487 02/28/89
4,807,841 07/171,568 02/28/89
4,807,842 07/103,619 02/28/89
4,807,859 07/185,402 02/28/89
4,807,865 07/056,857 02/28/89
4,807,866 06/943,520 02/28/89
4,807,871 07/071,856 02/28/89
4,807,893 07/170,893 02/28/89
4,807,905 07/118,440 02/28/89
4,807,918 07/168,915 02/28/89
4,807,920 07/043,583 02/28/89
4,807,925 07/013,568 02/28/89
4,807,936 07/095,358 02/28/89
4,807,943 07/130,562 02/28/89
4,807,957 07/108,760 02/28/89
4,807,962 07/065,689 02/28/89
4,807,969 07/044,210 02/28/89
4,807,976 07/033,319 02/28/89
4,807,980 07/142,524 02/28/89
4,807,989 07/001,585 02/28/89
4,807,991 06/848,606 02/28/89
4,807,995 06/882,229 02/28/89
4,807,996 07/072,387 02/28/89
4,808,003 06/929,234 02/28/89
4,808,004 07/190,701 02/28/89
4,808,015 07/106,509 02/28/89
4,808,025 07/088,088 02/28/89
4,808,029 07/053,069 02/28/89
4,808,032 07/055,217 02/28/89
4,808,036 07/148,176 02/28/89
4,808,040 07/110,743 02/28/89
4,808,041 07/110,741 02/28/89
4,808,056 07/151,478 02/28/89
4,808,059 06/886,296 02/28/89
4,808,060 06/509,312 02/28/89
4,808,067 07/153,678 02/28/89
4,808,073 07/120,990 02/28/89
4,808,076 07/133,093 02/28/89
4,808,081 07/022,480 02/28/89
4,808,083 07/150,395 02/28/89
4,808,085 06/855,599 02/28/89
4,808,092 07/000,840 02/28/89
4,808,097 07/005,704 02/28/89
4,808,104 07/117,577 02/28/89
4,808,105 07/154,360 02/28/89
4,808,113 07/149,313 02/28/89
4,808,119 07/148,070 02/28/89
4,808,129 07/154,262 02/28/89
4,808,156 07/023,812 02/28/89
4,808,157 07/072,428 02/28/89
4,808,160 06/927,525 02/28/89
4,808,175 07/078,586 02/28/89
4,808,176 06/947,942 02/28/89
4,808,190 07/004,497 02/28/89
4,808,193 07/198,991 02/28/89
4,808,196 07/201,241 02/28/89
4,808,205 07/121,424 02/28/89
4,808,216 07/184,280 02/28/89
4,808,219 07/059,727 02/28/89
4,808,223 07/070,577 02/28/89
4,808,224 07/099,321 02/28/89
4,808,230 07/202,856 02/28/89
4,808,232 06/938,821 02/28/89
4,808,235 07/144,282 02/28/89
4,808,240 07/095,384 02/28/89
4,808,260 07/152,718 02/28/89
4,808,263 07/177,568 02/28/89
4,808,271 06/897,554 02/28/89
4,808,278 07/144,216 02/28/89
4,808,279 06/914,260 02/28/89
4,808,281 07/212,352 02/28/89
4,808,283 07/177,999 02/28/89
4,808,284 07/149,777 02/28/89
4,808,287 07/136,406 02/28/89
4,808,292 06/923,725 02/28/89
4,808,300 07/014,726 02/28/89
4,808,304 07/166,757 02/28/89
4,808,313 07/001,727 02/28/89
4,808,335 07/115,330 02/28/89
4,808,343 07/120,859 02/28/89
4,808,344 07/154,666 02/28/89
4,808,346 07/014,927 02/28/89
4,808,348 07/049,569 02/28/89
4,808,349 07/155,607 02/28/89
4,808,357 07/121,197 02/28/89
4,808,365 07/199,214 02/28/89
4,808,374 06/945,241 02/28/89
4,808,378 07/037,117 02/28/89
4,808,385 07/015,906 02/28/89
4,808,388 07/086,565 02/28/89
4,808,396 07/086,784 02/28/89
4,808,399 06/940,300 02/28/89
4,808,407 07/085,453 02/28/89
4,808,410 07/133,834 02/28/89
4,808,415 07/195,582 02/28/89
4,808,421 07/017,841 02/28/89
4,808,423 06/925,281 02/28/89
4,808,426 06/855,127 02/28/89
4,808,433 06/907,549 02/28/89
4,808,448 06/807,811 02/28/89
4,808,451 07/046,836 02/28/89
4,808,454 06/908,108 02/28/89
4,808,464 07/186,263 02/28/89
4,808,475 07/012,840 02/28/89
4,808,480 06/934,766 02/28/89
4,808,485 07/152,780 02/28/89
4,808,492 07/130,185 02/28/89
4,808,498 07/136,007 02/28/89
4,808,503 07/110,757 02/28/89
4,808,506 07/086,333 02/28/89
4,808,507 07/090,284 02/28/89
4,808,516 07/076,095 02/28/89
4,808,521 06/821,428 02/28/89
4,808,531 06/756,380 02/28/89
4,808,533 06/730,042 02/28/89
4,808,558 07/089,376 02/28/89
4,808,560 06/814,090 02/28/89
4,808,572 06/936,671 02/28/89
4,808,577 07/061,377 02/28/89
4,808,587 07/035,798 02/28/89
4,808,600 07/193,621 02/28/89
4,808,608 07/076,424 02/28/89
4,808,612 07/047,970 02/28/89
4,808,618 07/035,797 02/28/89
4,808,625 07/090,578 02/28/89
4,808,632 07/079,352 02/28/89
4,808,638 07/099,676 02/28/89
4,808,645 07/180,662 02/28/89
4,808,650 07/168,054 02/28/89
4,808,655 07/090,450 02/28/89
4,808,664 07/132,449 02/28/89
4,808,668 06/921,825 02/28/89
4,808,690 07/161,801 02/28/89
4,808,693 06/875,122 02/28/89
4,808,697 07/164,161 02/28/89
4,808,704 06/868,872 02/28/89
4,808,705 06/944,347 02/28/89
4,808,715 07/141,178 02/28/89
4,808,723 06/567,480 02/28/89
4,808,730 07/065,441 02/28/89
4,808,732 07/115,544 02/28/89
4,808,736 07/083,764 02/28/89
4,808,746 07/129,309 02/28/89
4,808,753 07/146,221 02/28/89
4,808,755 07/137,268 02/28/89
4,808,757 07/193,956 02/28/89
4,808,758 07/125,596 02/28/89
4,808,759 07/081,798 02/28/89
4,808,762 07/094,617 02/28/89
4,808,778 07/085,292 02/28/89
4,808,782 07/122,788 02/28/89
4,808,787 07/122,046 02/28/89
4,808,798 07/085,341 02/28/89
4,808,820 07/099,935 02/28/89
4,808,833 06/941,079 02/28/89
4,808,845 06/937,051 02/28/89
4,808,852 07/127,567 02/28/89
4,808,856 07/097,612 02/28/89
4,808,864 07/098,835 02/28/89
4,808,866 07/082,590 02/28/89
4,808,872 07/173,864 02/28/89
4,808,879 07/058,725 02/28/89
4,808,880 06/905,345 02/28/89
4,808,888 06/936,218 02/28/89
4,808,897 06/836,523 02/28/89
4,808,906 07/182,272 02/28/89
4,808,912 06/948,055 02/28/89
4,808,919 07/135,232 02/28/89
4,808,930 06/903,388 02/28/89
4,808,931 07/037,817 02/28/89
4,808,933 07/013,545 02/28/89
4,808,938 07/120,440 02/28/89
4,808,946 06/945,650 02/28/89
4,808,966 07/081,957 02/28/89
4,808,972 07/055,151 02/28/89
4,808,979 07/033,291 02/28/89
4,808,980 07/112,199 02/28/89
4,808,982 06/892,686 02/28/89
4,808,983 06/691,887 02/28/89
4,808,988 06/600,106 02/28/89
4,808,997 07/053,151 02/28/89
4,808,998 07/090,544 02/28/89
4,809,007 07/020,851 02/28/89
4,809,010 06/393,044 02/28/89
4,809,012 07/054,758 02/28/89
4,809,019 07/065,106 02/28/89
4,809,026 06/890,305 02/28/89
4,809,027 06/890,304 02/28/89
4,809,039 07/123,322 02/28/89
4,809,052 06/860,413 02/28/89
4,809,058 06/941,812 02/28/89
4,809,059 06/944,464 02/28/89
4,809,066 07/083,022 02/28/89
4,809,067 07/053,627 02/28/89
4,809,069 07/166,279 02/28/89
4,809,071 06/941,641 02/28/89
4,809,078 06/655,509 02/28/89
4,809,079 07/208,101 02/28/89
4,809,082 07/089,331 02/28/89
4,809,087 07/124,434 02/28/89
4,809,090 07/222,376 02/28/89
4,809,092 07/070,199 02/28/89
4,809,096 07/006,121 02/28/89
4,809,098 06/846,956 02/28/89
4,809,109 07/173,496 02/28/89
4,809,120 06/929,348 02/28/89
4,809,123 06/851,740 02/28/89
4,809,129 07/117,305 02/28/89
4,809,139 07/078,600 02/28/89
4,809,140 07/113,920 02/28/89
4,809,144 07/127,807 02/28/89
4,809,147 07/186,777 02/28/89
4,809,154 06/884,122 02/28/89
4,809,159 07/147,128 02/28/89
4,809,173 07/055,390 02/28/89
4,809,180 07/040,900 02/28/89
4,809,182 06/945,562 02/28/89
4,809,197 06/945,953 02/28/89
4,809,202 06/814,348 02/28/89
4,809,205 06/934,228 02/28/89
4,809,220 07/029,359 02/28/89
4,809,226 07/113,695 02/28/89
4,809,237 07/103,459 02/28/89
4,809,258 06/944,699 02/28/89
4,809,263 07/021,320 02/28/89
4,809,265 07/044,964 02/28/89
4,809,266 06/833,606 02/28/89
4,809,267 07/067,231 02/28/89
4,809,272 06/909,549 02/28/89
4,809,277 07/106,681 02/28/89
4,809,282 07/125,801 02/28/89
4,809,286 07/205,012 02/28/89
4,809,288 07/021,640 02/28/89
4,809,292 07/051,466 02/28/89
4,809,298 07/053,396 02/28/89
4,809,300 07/177,638 02/28/89
4,809,318 07/101,917 02/28/89
4,809,324 07/078,447 02/28/89
4,809,328 07/157,048 02/28/89
4,809,330 06/726,583 02/28/89
4,809,337 06/877,225 02/28/89
4,809,348 06/894,123 02/28/89
4,809,352 07/125,872 02/28/89
4,809,359 06/945,822 02/28/89
4,809,361 06/929,797 02/28/89
PATENTS WHICH EXPIRED ON February 23, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,187,813 07/523,478 02/23/93
5,187,814 07/731,431 02/23/93
5,187,820 07/848,857 02/23/93
5,187,823 07/917,302 02/23/93
5,187,826 07/840,407 02/23/93
5,187,827 07/657,394 02/23/93
5,187,833 07/807,234 02/23/93
5,187,835 07/705,546 02/23/93
5,187,850 07/892,711 02/23/93
5,187,857 07/859,584 02/23/93
5,187,863 07/857,524 02/23/93
5,187,873 07/827,348 02/23/93
5,187,875 07/854,849 02/23/93
5,187,878 07/919,291 02/23/93
5,187,879 07/874,541 02/23/93
5,187,883 07/565,347 02/23/93
5,187,884 07/673,930 02/23/93
5,187,890 07/820,078 02/23/93
5,187,893 07/652,138 02/23/93
5,187,897 07/848,385 02/23/93
5,187,901 07/473,894 02/23/93
5,187,908 07/602,424 02/23/93
5,187,912 07/787,393 02/23/93
5,187,916 07/714,149 02/23/93
5,187,925 07/715,173 02/23/93
5,187,927 07/879,184 02/23/93
5,187,928 07/906,060 02/23/93
5,187,931 07/422,165 02/23/93
5,187,932 07/615,052 02/23/93
5,187,934 07/758,882 02/23/93
5,187,935 07/839,063 02/23/93
5,187,940 07/657,138 02/23/93
5,187,945 07/699,002 02/23/93
5,187,946 07/765,920 02/23/93
5,187,949 07/736,787 02/23/93
5,187,951 07/725,792 02/23/93
5,187,955 07/763,279 02/23/93
5,187,957 07/879,337 02/23/93
5,187,960 07/768,806 02/23/93
5,187,963 07/897,885 02/23/93
5,187,965 07/714,277 02/23/93
5,187,976 07/746,375 02/23/93
5,187,979 07/692,295 02/23/93
5,187,980 07/531,492 02/23/93
5,187,981 07/667,858 02/23/93
5,187,982 07/691,990 02/23/93
5,187,983 07/754,894 02/23/93
5,187,996 07/768,757 02/23/93
5,187,999 07/906,721 02/23/93
5,188,003 07/816,220 02/23/93
5,188,016 07/857,157 02/23/93
5,188,035 07/884,002 02/23/93
5,188,039 07/752,014 02/23/93
5,188,040 07/441,998 02/23/93
5,188,048 07/799,176 02/23/93
5,188,049 07/820,991 02/23/93
5,188,050 07/779,782 02/23/93
5,188,053 07/564,067 02/23/93
5,188,054 07/797,394 02/23/93
5,188,058 07/902,661 02/23/93
5,188,062 07/863,189 02/23/93
5,188,067 07/905,692 02/23/93
5,188,069 07/791,978 02/23/93
5,188,070 07/757,000 02/23/93
5,188,071 07/826,122 02/23/93
5,188,076 07/883,003 02/23/93
5,188,077 07/784,132 02/23/93
5,188,086 07/863,804 02/23/93
5,188,094 07/769,120 02/23/93
5,188,096 07/666,513 02/23/93
5,188,097 07/731,065 02/23/93
5,188,099 07/537,960 02/23/93
5,188,100 07/756,681 02/23/93
5,188,109 07/707,134 02/23/93
5,188,110 07/646,930 02/23/93
5,188,114 07/606,808 02/23/93
5,188,122 07/540,614 02/23/93
5,188,132 07/912,481 02/23/93
5,188,134 07/757,397 02/23/93
5,188,138 07/728,175 02/23/93
5,188,143 07/848,078 02/23/93
5,188,144 07/751,525 02/23/93
5,188,147 07/611,499 02/23/93
5,188,149 07/711,083 02/23/93
5,188,151 07/781,326 02/23/93
5,188,153 07/766,597 02/23/93
5,188,154 07/848,801 02/23/93
5,188,161 07/719,914 02/23/93
5,188,162 07/810,643 02/23/93
5,188,165 07/623,758 02/23/93
5,188,169 07/828,121 02/23/93
5,188,172 07/752,706 02/23/93
5,188,178 07/738,755 02/23/93
5,188,179 07/813,195 02/23/93
5,188,187 07/754,456 02/23/93
5,188,190 07/752,308 02/23/93
5,188,192 07/582,976 02/23/93
5,188,194 07/700,528 02/23/93
5,188,203 07/588,229 02/23/93
5,188,207 07/811,718 02/23/93
5,188,219 07/896,572 02/23/93
5,188,221 07/851,519 02/23/93
5,188,223 07/850,403 02/23/93
5,188,227 07/786,938 02/23/93
5,188,228 07/799,715 02/23/93
5,188,229 07/680,962 02/23/93
5,188,232 07/748,533 02/23/93
5,188,233 07/573,936 02/23/93
5,188,234 07/847,538 02/23/93
5,188,241 07/781,917 02/23/93
5,188,242 07/786,545 02/23/93
5,188,244 07/851,571 02/23/93
5,188,252 07/899,922 02/23/93
5,188,256 07/562,518 02/23/93
5,188,259 07/649,498 02/23/93
5,188,274 07/850,688 02/23/93
5,188,277 07/851,214 02/23/93
5,188,278 07/710,199 02/23/93
5,188,279 07/745,643 02/23/93
5,188,281 07/701,827 02/23/93
5,188,283 07/823,778 02/23/93
5,188,286 07/809,351 02/23/93
5,188,290 07/654,342 02/23/93
5,188,291 07/529,886 02/23/93
5,188,296 07/679,495 02/23/93
5,188,298 07/785,029 02/23/93
5,188,309 07/690,626 02/23/93
5,188,322 07/782,102 02/23/93
5,188,337 07/788,981 02/23/93
5,188,358 07/782,398 02/23/93
5,188,360 07/574,593 02/23/93
5,188,373 07/577,085 02/23/93
5,188,379 07/600,759 02/23/93
5,188,387 07/591,814 02/23/93
5,188,392 07/841,187 02/23/93
5,188,394 07/737,490 02/23/93
5,188,399 07/636,234 02/23/93
5,188,400 07/761,271 02/23/93
5,188,403 07/692,205 02/23/93
5,188,406 07/822,467 02/23/93
5,188,408 07/741,809 02/23/93
5,188,410 07/804,299 02/23/93
5,188,414 07/812,545 02/23/93
5,188,415 07/867,780 02/23/93
5,188,416 07/871,398 02/23/93
5,188,423 07/748,539 02/23/93
5,188,424 07/819,290 02/23/93
5,188,425 07/680,178 02/23/93
5,188,430 07/813,096 02/23/93
5,188,431 07/639,868 02/23/93
5,188,438 07/803,000 02/23/93
5,188,441 07/723,331 02/23/93
5,188,450 07/764,639 02/23/93
5,188,455 07/612,644 02/23/93
5,188,456 07/800,292 02/23/93
5,188,463 07/671,780 02/23/93
5,188,467 07/713,211 02/23/93
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5,188,470 07/752,027 02/23/93
5,188,481 07/734,363 02/23/93
5,188,485 07/717,239 02/23/93
5,188,486 07/882,074 02/23/93
5,188,488 07/911,810 02/23/93
5,188,493 07/742,619 02/23/93
5,188,496 07/912,478 02/23/93
5,188,497 07/634,147 02/23/93
5,188,500 07/717,475 02/23/93
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5,188,513 07/908,770 02/23/93
5,188,515 07/709,648 02/23/93
5,188,525 07/816,769 02/23/93
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5,188,537 07/889,468 02/23/93
5,188,540 07/852,950 02/23/93
5,188,541 07/804,573 02/23/93
5,188,543 07/745,176 02/23/93
5,188,546 07/841,927 02/23/93
5,188,547 07/879,637 02/23/93
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5,188,569 07/843,429 02/23/93
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5,188,580 07/389,757 02/23/93
5,188,592 07/719,479 02/23/93
5,188,604 07/518,033 02/23/93
5,188,607 07/791,482 02/23/93
5,188,608 07/862,464 02/23/93
5,188,609 07/726,947 02/23/93
5,188,615 07/741,780 02/23/93
5,188,619 07/690,848 02/23/93
5,188,622 07/749,138 02/23/93
5,188,629 07/717,593 02/23/93
5,188,663 07/760,319 02/23/93
5,188,666 07/425,342 02/23/93
5,188,677 07/719,331 02/23/93
5,188,678 07/855,151 02/23/93
5,188,684 07/683,159 02/23/93
5,188,692 07/608,850 02/23/93
5,188,693 07/725,924 02/23/93
5,188,694 07/759,647 02/23/93
5,188,697 07/789,807 02/23/93
5,188,698 07/859,096 02/23/93
5,188,700 07/654,526 02/23/93
5,188,707 07/818,429 02/23/93
5,188,713 07/665,016 02/23/93
5,188,721 07/457,920 02/23/93
5,188,726 07/679,060 02/23/93
5,188,729 07/755,697 02/23/93
5,188,730 07/695,811 02/23/93
5,188,732 07/832,308 02/23/93
5,188,736 07/750,311 02/23/93
5,188,738 07/615,437 02/23/93
5,188,752 07/688,794 02/23/93
5,188,756 07/741,554 02/23/93
5,188,757 07/598,372 02/23/93
5,188,775 07/759,185 02/23/93
5,188,781 07/772,595 02/23/93
5,188,782 07/596,543 02/23/93
5,188,794 07/613,622 02/23/93
5,188,811 07/841,947 02/23/93
5,188,817 07/575,854 02/23/93
5,188,823 07/651,960 02/23/93
5,188,824 07/763,791 02/23/93
5,188,829 07/340,007 02/23/93
5,188,842 07/367,069 02/23/93
5,188,848 07/581,519 02/23/93
5,188,854 07/762,868 02/23/93
5,188,862 07/587,130 02/23/93
5,188,863 07/628,889 02/23/93
5,188,864 07/679,365 02/23/93
5,188,866 07/791,390 02/23/93
5,188,878 07/876,814 02/23/93
5,188,891 07/719,072 02/23/93
5,188,893 07/554,778 02/23/93
5,188,896 07/569,678 02/23/93
5,188,900 07/862,384 02/23/93
5,188,901 07/436,550 02/23/93
5,188,903 07/737,627 02/23/93
5,188,904 07/663,514 02/23/93
5,188,905 07/642,541 02/23/93
5,188,911 07/659,647 02/23/93
5,188,913 07/857,490 02/23/93
5,188,920 07/712,729 02/23/93
5,188,921 07/711,351 02/23/93
5,188,922 07/703,056 02/23/93
5,188,924 07/777,449 02/23/93
5,188,929 07/673,375 02/23/93
5,188,933 07/709,790 02/23/93
5,188,936 07/641,346 02/23/93
5,188,942 07/594,071 02/23/93
5,188,944 07/762,183 02/23/93
5,188,945 07/756,634 02/23/93
5,188,947 07/512,108 02/23/93
5,188,950 07/845,520 02/23/93
5,188,959 07/525,512 02/23/93
5,188,964 07/509,377 02/23/93
5,188,967 07/662,992 02/23/93
5,188,972 07/875,239 02/23/93
5,188,988 07/618,150 02/23/93
5,188,989 07/127,268 02/23/93
5,188,992 07/762,361 02/23/93
5,189,005 07/863,118 02/23/93
5,189,026 07/711,759 02/23/93
5,189,031 07/831,434 02/23/93
5,189,036 07/540,980 02/23/93
5,189,039 07/701,575 02/23/93
5,189,050 07/709,676 02/23/93
5,189,051 07/822,152 02/23/93
5,189,060 07/621,157 02/23/93
5,189,062 07/827,514 02/23/93
5,189,063 07/570,099 02/23/93
5,189,065 07/752,467 02/23/93
5,189,067 07/683,899 02/23/93
5,189,069 07/726,288 02/23/93
5,189,074 07/809,692 02/23/93
5,189,077 07/737,183 02/23/93
5,189,085 07/771,200 02/23/93
5,189,098 07/590,725 02/23/93
5,189,099 07/699,527 02/23/93
5,189,103 07/665,958 02/23/93
5,189,115 07/613,401 02/23/93
5,189,117 07/562,772 02/23/93
5,189,119 07/780,835 02/23/93
5,189,120 07/605,002 02/23/93
5,189,121 07/411,811 02/23/93
5,189,124 07/801,584 02/23/93
5,189,127 07/801,867 02/23/93
5,189,129 07/801,868 02/23/93
5,189,131 07/691,901 02/23/93
5,189,132 07/759,035 02/23/93
5,189,152 07/730,169 02/23/93
5,189,158 07/672,496 02/23/93
5,189,159 07/859,263 02/23/93
5,189,160 07/690,758 02/23/93
5,189,161 07/663,352 02/23/93
5,189,172 07/893,021 02/23/93
5,189,174 07/763,782 02/23/93
5,189,175 07/694,695 02/23/93
5,189,181 07/817,615 02/23/93
5,189,183 07/598,061 02/23/93
5,189,184 07/736,766 02/23/93
5,189,188 07/607,192 02/23/93
5,189,190 07/570,097 02/23/93
5,189,194 07/909,329 02/23/93
5,189,197 07/485,550 02/23/93
5,189,198 07/696,053 02/23/93
5,189,200 07/631,808 02/23/93
5,189,204 07/720,747 02/23/93
5,189,210 07/876,651 02/23/93
5,189,221 07/617,339 02/23/93
5,189,227 07/575,458 02/23/93
5,189,230 07/806,494 02/23/93
5,189,234 07/785,550 02/23/93
5,189,242 07/703,370 02/23/93
5,189,245 07/816,005 02/23/93
5,189,249 07/790,865 02/23/93
5,189,251 07/931,477 02/23/93
5,189,257 07/665,556 02/23/93
5,189,260 07/651,551 02/23/93
5,189,263 07/833,231 02/23/93
5,189,266 07/531,225 02/23/93
5,189,267 07/708,247 02/23/93
5,189,270 07/735,889 02/23/93
5,189,273 07/767,882 02/23/93
5,189,275 07/409,850 02/23/93
5,189,282 07/744,899 02/23/93
5,189,286 07/793,963 02/23/93
5,189,300 07/783,401 02/23/93
5,189,313 07/841,761 02/23/93
5,189,314 07/754,795 02/23/93
5,189,321 07/766,890 02/23/93
5,189,326 07/807,254 02/23/93
5,189,328 07/884,739 02/23/93
5,189,329 07/689,951 02/23/93
5,189,330 07/764,053 02/23/93
5,189,338 07/818,282 02/23/93
5,189,339 07/577,492 02/23/93
5,189,340 07/888,460 02/23/93
5,189,343 07/750,530 02/23/93
5,189,344 07/695,257 02/23/93
5,189,360 07/335,791 02/23/93
5,189,361 07/735,813 02/23/93
5,189,363 07/583,261 02/23/93
5,189,365 07/772,412 02/23/93
5,189,366 07/454,731 02/23/93
5,189,375 07/710,200 02/23/93
5,189,376 07/629,725 02/23/93
5,189,383 07/754,521 02/23/93
5,189,388 07/663,617 02/23/93
5,189,392 07/719,636 02/23/93
5,189,400 07/826,185 02/23/93
5,189,408 07/814,159 02/23/93
5,189,410 07/635,439 02/23/93
5,189,417 07/598,129 02/23/93
5,189,422 07/788,410 02/23/93
5,189,430 07/825,828 02/23/93
5,189,434 07/326,746 02/23/93
5,189,440 07/784,258 02/23/93
5,189,445 07/610,257 02/23/93
5,189,448 07/742,118 02/23/93
5,189,451 07/817,783 02/23/93
5,189,452 07/803,540 02/23/93
5,189,455 07/772,516 02/23/93
5,189,456 07/767,757 02/23/93
5,189,477 07/798,005 02/23/93
5,189,484 07/744,442 02/23/93
5,189,485 07/667,471 02/23/93
5,189,487 07/796,567 02/23/93
5,189,501 07/841,773 02/23/93
5,189,506 07/894,178 02/23/93
5,189,510 07/491,691 02/23/93
5,189,522 07/756,102 02/23/93
5,189,533 07/678,595 02/23/93
5,189,534 07/603,668 02/23/93
5,189,537 07/647,296 02/23/93
5,189,539 07/729,085 02/23/93
5,189,544 07/759,166 02/23/93
5,189,550 07/787,302 02/23/93
5,189,552 07/753,910 02/23/93
5,189,554 07/771,378 02/23/93
5,189,585 07/544,217 02/23/93
5,189,589 07/477,253 02/23/93
5,189,592 07/811,636 02/23/93
5,189,593 07/787,278 02/23/93
5,189,597 07/788,188 02/23/93
5,189,600 07/810,247 02/23/93
5,189,606 07/702,345 02/23/93
5,189,609 07/721,961 02/23/93
5,189,612 07/759,753 02/23/93
5,189,618 07/908,879 02/23/93
5,189,625 07/509,340 02/23/93
5,189,638 07/912,117 02/23/93
5,189,641 07/609,096 02/23/93
5,189,648 07/728,402 02/23/93
5,189,652 07/665,835 02/23/93
5,189,654 07/801,619 02/23/93
5,189,678 06/915,197 02/23/93
5,189,692 07/691,819 02/23/93
5,189,707 07/179,983 02/23/93
5,189,726 07/662,746 02/23/93
5,189,732 07/679,132 02/23/93
PATENTS WHICH EXPIRED ON February 25, 2001
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
5,604,930 08/528,765 02/25/97
5,604,931 08/004,475 02/25/97
5,604,932 08/607,219 02/25/97
5,604,935 08/372,743 02/25/97
5,604,936 08/535,640 02/25/97
5,604,944 08/541,957 02/25/97
5,604,946 08/202,392 02/25/97
5,604,952 08/587,019 02/25/97
5,604,953 08/507,465 02/25/97
5,604,964 08/613,705 02/25/97
5,604,974 08/241,352 02/25/97
5,604,978 08/455,463 02/25/97
5,604,987 08/386,632 02/25/97
5,604,989 08/418,781 02/25/97
5,604,998 08/313,252 02/25/97
5,604,999 08/525,353 02/25/97
5,605,004 08/554,187 02/25/97
5,605,005 08/548,961 02/25/97
5,605,010 08/560,816 02/25/97
5,605,013 08/373,966 02/25/97
5,605,016 08/494,592 02/25/97
5,605,019 08/231,339 02/25/97
5,605,031 08/596,128 02/25/97
5,605,037 08/511,712 02/25/97
5,605,043 08/462,567 02/25/97
5,605,047 08/465,731 02/25/97
5,605,048 08/433,338 02/25/97
5,605,050 08/629,401 02/25/97
5,605,052 08/418,368 02/25/97
5,605,054 08/629,875 02/25/97
5,605,056 08/533,613 02/25/97
5,605,062 08/499,475 02/25/97
5,605,068 08/443,420 02/25/97
5,605,075 08/455,721 02/25/97
5,605,081 08/567,241 02/25/97
5,605,083 08/419,413 02/25/97
5,605,089 08/543,491 02/25/97
5,605,097 08/427,814 02/25/97
5,605,103 08/526,292 02/25/97
5,605,109 08/422,894 02/25/97
5,605,114 08/420,778 02/25/97
5,605,124 08/554,091 02/25/97
5,605,125 08/383,844 02/25/97
5,605,126 08/596,013 02/25/97
5,605,141 08/221,419 02/25/97
5,605,143 08/509,550 02/25/97
5,605,150 08/334,625 02/25/97
5,605,161 08/265,228 02/25/97
5,605,169 08/662,039 02/25/97
5,605,173 08/344,436 02/25/97
5,605,182 08/425,099 02/25/97
5,605,203 08/520,779 02/25/97
5,605,205 08/289,929 02/25/97
5,605,206 08/513,724 02/25/97
5,605,207 08/437,953 02/25/97
5,605,226 08/387,575 02/25/97
5,605,231 08/391,860 02/25/97
5,605,233 08/380,025 02/25/97
5,605,235 08/366,736 02/25/97
5,605,241 08/373,939 02/25/97
5,605,242 08/563,274 02/25/97
5,605,247 08/536,910 02/25/97
5,605,250 08/249,364 02/25/97
5,605,252 08/419,473 02/25/97
5,605,256 08/360,072 02/25/97
5,605,257 08/610,228 02/25/97
5,605,260 08/420,670 02/25/97
5,605,268 08/353,316 02/25/97
5,605,279 08/554,255 02/25/97
5,605,281 08/424,505 02/25/97
5,605,282 08/425,283 02/25/97
5,605,284 08/512,183 02/25/97
5,605,298 08/359,329 02/25/97
5,605,305 08/408,697 02/25/97
5,605,311 08/309,119 02/25/97
5,605,312 08/511,995 02/25/97
5,605,313 08/503,282 02/25/97
5,605,315 08/502,552 02/25/97
5,605,321 08/284,257 02/25/97
5,605,326 08/342,372 02/25/97
5,605,329 08/307,783 02/25/97
5,605,330 08/525,996 02/25/97
5,605,338 08/524,481 02/25/97
5,605,339 08/514,865 02/25/97
5,605,343 08/474,381 02/25/97
5,605,351 08/582,899 02/25/97
5,605,354 08/502,325 02/25/97
5,605,355 08/554,075 02/25/97
5,605,358 08/543,172 02/25/97
5,605,364 08/500,805 02/25/97
5,605,367 08/559,241 02/25/97
5,605,370 08/192,530 02/25/97
5,605,374 08/502,963 02/25/97
5,605,378 08/578,463 02/25/97
5,605,386 08/462,364 02/25/97
5,605,392 08/367,693 02/25/97
5,605,399 08/544,325 02/25/97
5,605,408 08/559,065 02/25/97
5,605,410 08/372,995 02/25/97
5,605,413 08/494,345 02/25/97
5,605,418 08/123,044 02/25/97
5,605,427 08/088,156 02/25/97
5,605,429 08/555,312 02/25/97
5,605,433 08/425,146 02/25/97
5,605,435 08/453,547 02/25/97
5,605,456 08/511,530 02/25/97
5,605,477 08/372,269 02/25/97
5,605,479 08/362,316 02/25/97
5,605,480 08/555,122 02/25/97
5,605,495 08/565,228 02/25/97
5,605,500 08/558,646 02/25/97
5,605,510 08/440,936 02/25/97
5,605,513 08/492,933 02/25/97
5,605,514 08/517,434 02/25/97
5,605,517 08/561,345 02/25/97
5,605,521 08/602,101 02/25/97
5,605,528 08/377,933 02/25/97
5,605,535 08/432,085 02/25/97
5,605,537 08/287,044 02/25/97
5,605,558 08/334,604 02/25/97
5,605,563 08/448,392 02/25/97
5,605,565 08/465,401 02/25/97
5,605,567 08/428,315 02/25/97
5,605,570 08/504,623 02/25/97
5,605,587 08/418,773 02/25/97
5,605,591 08/338,515 02/25/97
5,605,595 08/441,711 02/25/97
5,605,606 08/491,825 02/25/97
5,605,617 08/338,616 02/25/97
5,605,626 08/455,282 02/25/97
5,605,628 08/349,985 02/25/97
5,605,629 08/421,227 02/25/97
5,605,632 08/517,389 02/25/97
5,605,639 08/171,293 02/25/97
5,605,640 08/521,275 02/25/97
5,605,645 08/429,305 02/25/97
5,605,646 08/305,911 02/25/97
5,605,651 08/390,424 02/25/97
5,605,663 08/463,472 02/25/97
5,605,667 08/586,052 02/25/97
5,605,682 08/238,195 02/25/97
5,605,685 08/565,605 02/25/97
5,605,688 08/302,391 02/25/97
5,605,712 08/536,821 02/25/97
5,605,721 08/484,889 02/25/97
5,605,727 08/475,942 02/25/97
5,605,734 08/033,990 02/25/97
5,605,737 08/629,246 02/25/97
5,605,744 08/493,037 02/25/97
5,605,768 08/568,432 02/25/97
5,605,770 08/613,836 02/25/97
5,605,772 08/525,006 02/25/97
5,605,781 08/483,976 02/25/97
5,605,796 08/277,547 02/25/97
5,605,826 08/259,752 02/25/97
5,605,829 08/346,893 02/25/97
5,605,833 08/474,812 02/25/97
5,605,841 08/335,762 02/25/97
5,605,845 08/359,372 02/25/97
5,605,855 08/395,339 02/25/97
5,605,869 08/380,586 02/25/97
5,605,870 08/242,715 02/25/97
5,605,881 08/297,933 02/25/97
5,605,896 08/299,188 02/25/97
5,605,898 08/424,421 02/25/97
5,605,900 08/430,227 02/25/97
5,605,901 08/365,289 02/25/97
5,605,903 08/408,365 02/25/97
5,605,904 08/449,273 02/25/97
5,605,906 08/410,256 02/25/97
5,605,912 08/321,843 02/25/97
5,605,920 08/618,954 02/25/97
5,605,921 08/261,952 02/25/97
5,605,926 08/419,294 02/25/97
5,605,932 08/582,156 02/25/97
5,605,950 08/531,680 02/25/97
5,605,966 08/165,660 02/25/97
5,605,975 08/519,763 02/25/97
5,605,987 07/920,743 02/25/97
5,605,988 07/851,820 02/25/97
5,605,994 08/466,160 02/25/97
5,606,011 08/199,961 02/25/97
5,606,020 08/087,802 02/25/97
5,606,060 08/460,742 02/25/97
5,606,061 08/531,335 02/25/97
5,606,064 08/552,330 02/25/97
5,606,066 08/356,410 02/25/97
5,606,067 08/318,743 02/25/97
5,606,071 08/321,833 02/25/97
5,606,078 08/416,237 02/25/97
5,606,079 08/453,762 02/25/97
5,606,083 08/424,512 02/25/97
5,606,092 08/546,321 02/25/97
5,606,125 08/266,651 02/25/97
5,606,126 08/202,116 02/25/97
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