Notice of Expiration of Patents
Due to Failure to Pay Maintenance Fees
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 January 4, 1995
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Number Serial Number Issue Date
Re. 32,248 06/573,306 09/16/86
(4,367,142) (06/360,889) (01/04/83)
Re. 34,478 07/121,082 12/14/93
(4,981,294) (07/481,360) (01/01/91)
4,366,586 06/275,778 01/04/83
4,366,600 06/223,909 01/04/83
4,366,612 06/219,078 01/04/83
4,366,623 06/240,124 01/04/83
4,366,624 06/254,480 01/04/83
4,366,625 06/227,758 01/04/83
4,366,629 06/217,980 01/04/83
4,366,631 06/225,171 01/04/83
4,366,660 06/319,571 01/04/83
4,366,665 06/257,054 01/04/83
4,366,668 06/238,032 01/04/83
4,366,677 06/275,966 01/04/83
4,366,680 06/229,239 01/04/83
4,366,703 06/225,984 01/04/83
4,366,733 06/239,263 01/04/83
4,366,749 06/248,203 01/04/83
4,366,750 06/233,774 01/04/83
4,366,752 06/266,107 01/04/83
4,366,754 06/253,590 01/04/83
4,366,771 06/308,343 01/04/83
4,366,781 06/230,038 01/04/83
4,366,783 06/320,886 01/04/83
4,366,801 06/303,025 01/04/83
4,366,805 06/257,327 01/04/83
4,366,809 06/309,844 01/04/83
4,366,813 06/275,931 01/04/83
4,366,815 06/270,380 01/04/83
4,366,823 06/277,315 01/04/83
4,366,824 06/277,570 01/04/83
4,366,835 06/232,352 01/04/83
4,366,849 06/246,362 01/04/83
4,366,855 06/238,978 01/04/83
4,366,860 06/269,460 01/04/83
4,366,866 06/243,706 01/04/83
4,366,878 06/217,239 01/04/83
4,366,880 06/225,169 01/04/83
4,366,894 06/344,397 01/04/83
4,366,900 06/233,598 01/04/83
4,366,901 06/230,695 01/04/83
4,366,902 06/258,931 01/04/83
4,366,903 06/307,867 01/04/83
4,366,907 06/279,163 01/04/83
4,366,909 06/247,407 01/04/83
4,366,912 06/238,362 01/04/83
4,366,930 06/257,637 01/04/83
4,366,936 06/318,248 01/04/83
4,366,942 06/220,353 01/04/83
4,366,950 06/231,357 01/04/83
4,366,951 06/348,984 01/04/83
4,366,961 06/278,835 01/04/83
4,366,972 06/250,207 01/04/83
4,366,978 06/243,716 01/04/83
4,366,985 06/234,121 01/04/83
4,367,028 06/265,212 01/04/83
4,367,029 06/325,388 01/04/83
4,367,032 06/232,488 01/04/83
4,367,033 06/270,830 01/04/83
4,367,038 06/281,540 01/04/83
4,367,048 06/271,617 01/04/83
4,367,054 06/237,596 01/04/83
4,367,065 06/236,724 01/04/83
4,367,073 06/319,916 01/04/83
4,367,075 06/321,748 01/04/83
4,367,078 06/273,610 01/04/83
4,367,081 06/225,485 01/04/83
4,367,086 06/269,037 01/04/83
4,367,096 06/310,770 01/04/83
4,367,097 06/294,799 01/04/83
4,367,098 06/276,205 01/04/83
4,367,106 06/287,595 01/04/83
4,367,107 06/287,608 01/04/83
4,367,113 06/278,762 01/04/83
4,367,125 06/217,806 01/04/83
4,367,126 06/253,016 01/04/83
4,367,134 06/230,230 01/04/83
4,367,137 06/324,302 01/04/83
4,367,145 06/228,078 01/04/83
4,367,149 06/281,490 01/04/83
4,367,151 06/295,392 01/04/83
4,367,158 06/335,540 01/04/83
4,367,161 06/227,733 01/04/83
4,367,166 06/282,587 01/04/83
4,367,167 06/284,312 01/04/83
4,367,169 06/313,815 01/04/83
4,367,177 06/254,570 01/04/83
4,367,179 06/234,124 01/04/83
4,367,180 06/242,539 01/04/83
4,367,184 06/217,356 01/04/83
4,367,186 06/319,532 01/04/83
4,367,197 06/238,061 01/04/83
4,367,198 06/275,420 01/04/83
4,367,199 06/272,802 01/04/83
4,367,211 06/344,858 01/04/83
4,367,225 06/247,008 01/04/83
4,367,234 06/222,202 01/04/83
4,367,251 06/320,366 01/04/83
4,367,262 06/255,826 01/04/83
4,367,265 06/251,593 01/04/83
4,367,274 06/236,892 01/04/83
4,367,281 06/289,281 01/04/83
4,367,284 06/267,073 01/04/83
4,367,285 06/234,668 01/04/83
4,367,287 06/310,191 01/04/83
4,367,290 06/316,279 01/04/83
4,367,291 06/279,449 01/04/83
4,367,292 06/288,022 01/04/83
4,367,294 06/266,158 01/04/83
4,367,295 06/276,562 01/04/83
4,367,297 06/234,150 01/04/83
4,367,301 06/286,116 01/04/83
4,367,306 06/361,959 01/04/83
4,367,311 06/338,486 01/04/83
4,367,314 06/222,689 01/04/83
4,367,315 06/229,490 01/04/83
4,367,320 06/248,660 01/04/83
4,367,324 06/228,817 01/04/83
4,367,326 06/306,184 01/04/83
4,367,327 06/285,685 01/04/83
4,367,328 06/240,742 01/04/83
4,367,335 06/289,352 01/04/83
4,367,343 06/336,474 01/04/83
4,367,349 06/275,010 01/04/83
4,367,352 06/219,119 01/04/83
4,367,354 06/279,123 01/04/83
4,367,355 06/237,030 01/04/83
4,367,356 06/272,594 01/04/83
4,367,366 06/234,626 01/04/83
4,367,393 06/219,874 01/04/83
4,367,413 06/246,094 01/04/83
4,367,414 06/352,578 01/04/83
4,367,424 06/258,718 01/04/83
4,367,425 06/269,133 01/04/83
4,367,481 06/249,167 01/04/83
4,367,482 06/293,235 01/04/83
4,367,489 06/230,309 01/04/83
4,367,490 06/257,447 01/04/83
4,367,497 06/222,095 01/04/83
4,267,499 06/301,133 01/04/83
4,367,504 06/250,432 01/04/83
4,367,507 06/282,085 01/04/83
4,367,520 06/221,320 01/04/83
4,367,523 06/234,744 01/04/83
4,367,542 06/246,542 01/04/83
4,367,550 06/249,238 01/04/83
4,367,558 06/218,872 01/04/83
4,631,754 06/681,625 12/30/86
4,631,759 06/633,628 12/30/86
4,631,763 06/701,744 12/30/86
4,631,772 06/568,219 12/30/86
4,631,773 06/789,813 12/30/86
4,631,774 06/692,557 12/30/86
4,631,782 06/688,018 12/30/86
4,631,784 06/677,821 12/30/86
4,631,786 06/812,059 12/30/86
4,631,791 06/680,526 12/30/86
4,631,793 06/829,558 12/30/86
4,631,794 06/740,712 12/30/86
4,631,795 06/738,789 12/30/86
4,631,797 06/497,152 12/30/86
4,631,807 06/708,210 12/30/86
4,631,809 06/597,872 12/30/86
4,631,811 06/775,595 12/30/86
4,631,812 06/705,684 12/30/86
4,631,817 06/708,627 12/30/86
4,631,823 06/587,842 12/30/86
4,631,833 06/690,044 12/30/86
4,631,835 06/764,671 12/30/86
4,631,839 06/717,960 12/30/86
4,631,841 06/711,829 12/30/86
4,631,842 06/763,438 12/30/86
4,631,843 06/758,319 12/30/86
4,631,846 06/670,908 12/30/86
4,631,851 06/862,473 12/30/86
4,631,855 06/758,659 12/30/86
4,631,859 06/663,138 12/30/86
4,631,860 06/624,729 12/30/86
4,631,871 06/568,204 12/30/86
4,631,873 06/730,905 12/30/86
4,631,874 06/726,486 12/30/86
4,631,877 06/773,045 12/30/86
4,631,878 06/683,708 12/30/86
4,631,885 06/816,334 12/30/86
4,631,889 06/559,362 12/30/86
4,631,890 06/770,862 12/30/86
4,631,893 06/639,789 12/30/86
4,631,896 06/722,382 12/30/86
4,631,901 06/573,492 12/30/86
4,631,902 06/710,305 12/30/86
4,631,906 06/735,375 12/30/86
4,631,913 06/738,787 12/30/86
4,631,915 06/725,012 12/30/86
4,631,917 06/702,459 12/30/86
4,631,918 06/684,860 12/30/86
4,631,920 06/683,594 12/30/86
4,631,922 06/818,428 12/30/86
4,631,923 06/806,129 12/30/96
4,631,924 06/618,583 12/30/86
4,631,929 06/724,891 12/30/86
4,631,939 06/755,554 12/30/86
4,631,943 06/614,436 12/30/86
4,631,948 06/595,947 12/30/86
4,631,951 06/762,776 12/30/86
4,631,952 06/770,910 12/30/86
4,631,955 06/757,566 12/30/86
4,631,956 06/645,129 12/30/86
4,631,961 06/815,407 12/30/86
4,631,965 06/602,367 12/30/86
4,631,971 06/614,051 12/30/86
4,631,973 06/473,480 12/30/86
4,631,981 06/673,939 12/30/86
4,631,986 06/697,713 12/30/86
4,631,988 06/675,431 12/30/86
4,631,991 06/745,817 12/30/86
4,631,998 06/750,470 12/30/86
4,631,999 06/608,344 12/30/86
4,632,007 06/691,726 12/30/86
4,632,010 06/718,399 12/30/86
4,632,019 06/675,815 12/30/86
4,632,022 06/705,072 12/30/86
4,632,028 06/673,482 12/30/86
4,632,031 06/689,057 12/30/86
4,632,032 06/681,924 12/30/86
4,632,033 06/619,358 12/30/86
4,632,038 06/605,591 12/30/86
4,632,039 06/726,058 12/30/86
4,632,044 06/691,429 12/30/86
4,632,049 06/668,885 12/30/86
4,632,052 06/754,277 12/30/86
4,632,059 06/773,517 12/30/86
4,632,061 06/734,339 12/30/86
4,632,062 06/755,902 12/30/86
4,632,065 06/724,348 12/30/86
4,632,068 06/613,673 12/30/86
4,632,076 06/570,149 12/30/86
4,632,079 06/744,438 12/30/86
4,632,081 06/519,089 12/30/86
4,632,082 06/803,790 12/30/86
4,632,087 06/650,888 12/30/86
4,632,091 06/651,511 12/30/86
4,632,093 06/750,177 12/30/86
4,632,094 06/715,834 12/30/86
4,632,099 06/692,379 12/30/86
4,632,101 06/696,991 12/30/86
4,632,105 06/690,780 12/30/86
4,632,114 06/715,157 12/30/86
4,632,122 06/726,729 12/30/86
4,632,124 06/759,542 12/30/86
4,632,126 06/629,777 12/30/86
4,632,131 06/740,325 12/30/86
4,632,132 06/459,055 12/30/86
4,632,133 06/524,577 12/30/86
4,632,137 06/663,441 12/30/86
4,632,139 06/628,821 12/30/86
4,632,140 06/777,290 12/30/86
4,632,148 06/773,374 12/30/86
4,632,151 06/649,602 12/30/86
4,632,156 06/798,894 12/30/86
4,632,158 06/761,265 12/30/86
4,632,159 06/760,272 12/30/86
4,632,163 06/752,617 12/30/86
4,632,164 06/757,261 12/30/86
4,632,167 06/721,300 12/30/86
4,632,171 06/654,404 12/30/86
4,632,174 06/801,729 12/30/86
4,632,176 06/725,106 12/30/86
4,632,178 06/664,324 12/30/86
4,632,181 06/471,912 12/30/86
4,632,185 06/760,804 12/30/86
4,632,187 06/783,671 12/30/86
4,632,188 06/772,402 12/30/86
4,632,189 06/657,743 12/30/86
4,632,191 06/720,582 12/30/86
4,632,192 06/631,921 12/30/86
4,632,194 06/666,825 12/30/86
4,632,196 06/614,232 12/30/86
4,632,203 06/586,011 12/30/86
4,632,205 06/531,712 12/30/86
4,632,209 06/772,173 12/30/86
4,632,210 06/455,458 12/30/86
4,632,211 06/544,714 12/30/86
4,632,213 06/470,665 12/30/86
4,632,220 06/787,360 12/30/86
4,632,222 06/821,603 12/30/86
4,632,225 06/731,737 12/30/86
4,632,226 06/695,371 12/30/86
4,632,228 06/734,976 12/30/86
4,632,230 06/698,995 12/30/86
4,632,233 06/618,789 12/30/86
4,632,234 06/677,749 12/30/86
4,632,239 06/630,055 12/30/86
4,632,244 06/831,718 12/30/86
4,632,245 06/697,485 12/30/86
4,632,255 06/724,415 12/30/86
4,632,256 06/542,595 12/30/86
4,632,257 06/689,319 12/30/86
4,632,263 06/696,505 12/30/86
4,632,264 06/808,090 12/30/86
4,632,268 06/728,257 12/30/86
4,632,270 06/657,899 12/30/86
4,632,273 06/773,311 12/30/86
4,632,276 06/683,502 12/30/86
4,632,279 06/800,836 12/30/86
4,632,280 06/654,233 12/30/86
4,632,284 06/603,144 12/30/86
4,632,285 06/704,638 12/30/86
4,632,286 06/807,208 12/30/86
4,632,297 06/739,608 12/30/86
4,632,300 06/762,476 12/30/86
4,632,301 06/737,694 12/30/86
4,632,303 06/791,299 12/30/86
4,632,306 06/697,621 12/30/86
4,632,310 06/655,173 12/30/86
4,632,313 06/544,360 12/30/86
4,632,314 06/741,451 12/30/86
4,632,315 06/436,693 12/30/86
4,632,316 06/436,694 12/30/86
4,632,321 06/745,289 12/30/86
4,632,322 06/747,415 12/30/86
4,632,323 06/537,820 12/30/86
4,632,329 06/763,895 12/30/86
4,632,333 06/719,617 12/30/86
4,632,335 06/842,793 12/30/86
4,632,342 06/680,887 12/30/86
4,632,343 06/739,591 12/30/86
4,632,344 06/695,906 12/30/96
4,632,349 06/713,838 12/30/86
4,632,356 06/722,835 12/30/86
4,632,359 06/718,116 12/30/86
4,632,362 06/574,540 12/30/86
4,632,366 06/667,362 12/30/86
4,632,371 06/712,977 12/30/86
4,632,372 06/707,779 12/30/86
4,632,373 06/811,255 12/30/86
4,632,376 06/800,756 12/30/86
4,632,382 06/784,538 12/30/86
4,632,387 06/616,497 12/30/86
4,632,390 06/667,839 12/30/86
4,632,395 06/669,219 12/30/86
4,632,404 06/772,025 12/30/86
4,632,415 06/665,738 12/30/86
4,632,416 06/758,381 12/30/86
4,632,421 06/831,148 12/30/86
4,632,422 06/686,515 12/30/86
4,632,424 06/663,426 12/30/86
4,632,432 06/608,384 12/30/86
4,632,441 06/677,392 12/30/86
4,632,442 06/780,802 12/30/86
4,632,447 06/638,788 12/30/86
4,632,450 06/673,850 12/30/86
4,632,451 06/827,512 12/30/86
4,632,453 06/660,643 12/30/86
4,632,454 06/666,223 12/30/86
4,632,455 06/714,481 12/30/86
4,632,457 06/787,630 12/30/86
4,632,458 06/736,294 12/30/86
4,632,464 06/683,293 12/30/86
4,632,466 06/415,858 12/30/86
4,632,469 06/668,902 12/30/86
4,632,471 06/606,690 12/30/86
4,632,472 06/673,031 12/30/86
4,632,474 06/681,670 12/30/86
4,632,477 06/710,122 12/30/86
4,632,489 06/802,532 12/30/86
4,632,496 06/786,143 12/30/86
4,632,502 06/542,689 12/30/86
4,632,503 06/724,447 12/30/86
4,632,505 06/603,560 12/30/86
4,632,506 06/620,427 12/30/86
4,632,508 06/636,760 12/30/86
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4,632,511 06/710,146 12/30/86
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4,632,523 06/802,227 12/30/86
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4,632,525 06/805,906 12/30/86
4,632,526 06/666,891 12/30/86
4,632,529 06/712,135 12/30/86
4,632,538 06/664,529 12/30/86
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4,632,546 06/599,890 12/30/86
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4,632,550 06/657,963 12/30/86
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4,632,598 06/755,950 12/30/86
4,632,600 06/780,086 12/30/86
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4,632,613 06/769,393 12/30/86
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4,632,615 06/700,235 12/30/86
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4,632,621 06/660,907 12/30/86
4,632,626 06/710,583 12/30/86
4,632,628 06/790,774 12/30/86
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4,632,632 06/527,839 12/30/86
4,632,633 06/675,935 12/30/86
4,632,637 06/618,047 12/30/86
4,632,647 06/740,498 12/30/86
4,632,648 06/748,329 12/30/86
4,632,653 06/658,591 12/30/86
4,632,654 06/513,433 12/30/86
4,632,661 06/792,438 12/30/86
4,632,664 06/737,812 12/30/86
4,632,668 06/688,003 12/30/86
4,632,670 06/719,850 12/30/86
4,632,677 06/315,444 12/30/86
4,632,678 06/797,591 12/30/86
4,632,679 06/778,903 12/30/86
4,632,680 06/792,265 12/30/86
4,632,686 06/832,614 12/30/86
4,632,688 06/796,403 12/30/86
4,632,691 06/811,544 12/30/86
4,632,694 06/740,031 12/30/86
4,632,697 06/704,989 12/30/86
4,632,702 06/849,794 12/30/86
4,632,707 06/721,335 12/30/86
4,632,715 06/807,429 12/30/86
4,632,716 06/502,325 12/30/86
4,632,723 06/481,096 12/30/86
4,632,727 06/764,582 12/30/86
4,632,728 06/788,645 12/30/86
4,632,729 06/605,915 12/30/86
4,632,731 06/748,978 12/30/86
4,632,733 06/814,615 12/30/86
4,632,735 06/697,111 12/30/86
4,632,738 06/606,322 12/30/86
4,632,743 06/568,951 12/30/86
4,632,749 06/648,432 12/30/86
4,632,750 06/778,327 12/30/86
4,632,759 06/717,871 12/30/86
4,632,763 06/744,993 12/30/86
4,632,765 06/765,149 12/30/86
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