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 NOVEMBER 13, 1995
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Number Serial Number Issue Date
Re. 32,909 06/621,859 04/18/89
(4,404,146) (06/304,305) (09/13/83)
Re. 33,127 07/200,976 12/12/89
(4,691,814) (06/855,719) (09/08/87)
4,403,359 06/282,151 09/13/83
4,403,360 06/250,480 09/13/83
4,403,367 06/293,723 09/13/83
4,403,369 06/314,906 09/13/83
4,403,371 06/258,513 09/13/83
4,403,373 06/231,555 09/13/83
4,403,374 06/274,521 09/13/83
4,403,381 06/254,593 09/13/83
4,403,382 06/239,643 09/13/83
4,403,386 06/298,294 09/13/83
4,403,387 06/262,422 09/13/83
4,403,396 06/334,393 09/13/83
4,403,400 06/347,586 09/13/83
4,403,403 06/284,102 09/13/83
4,403,404 06/308,314 09/13/83
4,403,405 06/285,260 09/13/83
4,403,408 06/274,902 09/13/83
4,403,411 06/231,329 09/13/83
4,403,418 06/330,338 09/13/83
4,403,420 06/286,828 09/13/83
4,403,424 06/248,706 09/13/83
4,403,429 06/314,968 09/13/83
4,403,432 06/467,400 09/13/83
4,403,439 06/253,334 09/13/83
4,403,448 06/331,974 09/13/83
4,403,450 06/412,992 09/13/83
4,403,470 06/335,643 09/13/83
4,403,471 06/295,837 09/13/83
4,403,474 06/253,185 09/13/83
4,403,476 06/317,697 09/13/83
4,403,479 06/349,989 09/13/83
4,403,482 06/373,274 09/13/83
4,403,485 06/304,856 09/13/83
4,403,489 06/254,676 09/13/83
4,403,490 06/276,937 09/13/83
4,403,494 06/239,564 09/13/83
4,403,495 06/263,817 09/13/83
4,403,502 06/240,581 09/13/83
4,403,515 06/371,980 09/13/83
4,403,520 06/221,304 09/13/83
4,403,522 06/235,542 09/13/83
4,403,549 06/352,751 09/13/83
4,403,555 06/272,749 09/13/83
4,403,559 06/239,164 09/13/83
4,403,568 06/331,774 09/13/83
4,403,589 06/280,224 09/13/83
4,403,592 06/374,255 09/13/83
4,403,593 06/344,609 09/13/83
4,403,601 06/243,396 09/13/83
4,403,609 06/237,563 09/13/83
4,403,618 06/256,019 09/13/83
4,403,621 06/369,436 09/13/83
4,403,623 06/321,877 09/13/83
4,403,625 06/314,431 09/13/83
4,403,630 06/287,632 09/13/83
4,403,631 06/261,206 09/13/83
4,403,636 06/280,981 09/13/83
4,403,639 06/301,258 09/13/83
4,403,650 06/319,322 09/13/83
4,403,654 06/246,767 09/13/83
4,403,656 06/288,258 09/13/83
4,403,657 06/222,773 09/13/83
4,403,668 06/328,118 09/13/83
4,403,673 06/222,939 09/13/83
4,403,686 06/268,690 09/13/83
4,403,692 06/297,082 09/13/83
4,403,695 06/337,497 09/13/83
4,403,700 06/263,775 09/13/83
4,403,704 06/364,470 09/13/83
4,403,706 06/386,378 09/13/83
4,403,710 06/376,949 09/13/83
4,403,715 06/278,685 09/13/83
4,403,720 06/345,971 09/13/83
4,403,736 06/389,695 09/13/83
4,403,741 06/229,839 09/13/83
4,403,744 06/297,603 09/13/83
4,403,750 06/373,186 09/13/83
4,403,752 06/299,518 09/13/83
4,403,756 06/218,469 09/13/83
4,403,757 06/245,734 09/13/83
4,403,768 06/325,844 09/13/83
4,403,769 06/371,417 09/13/83
4,403,778 06/382,492 09/13/83
4,403,783 06/286,040 09/13/83
4,403,785 06/270,387 09/13/83
4,403,786 06/229,186 09/13/83
4,403,788 06/286,195 09/13/83
4,403,791 06/290,657 09/13/83
4,403,792 06/362,367 09/13/83
4,403,796 06/411,616 09/13/83
4,403,805 06/337,474 09/13/83
4,403,812 06/383,621 09/13/83
4,403,813 06/311,379 09/13/83
4,403,818 06/269,879 09/13/83
4,403,828 06/269,197 09/13/83
4,403,833 06/293,779 09/13/83
4,403,839 06/236,240 09/13/83
4,403,842 06/318,242 09/13/83
4,403,846 06/299,771 09/13/83
4,403,852 06/326,510 09/13/83
4,403,858 06/236,229 09/13/83
4,403,861 06/220,971 09/13/83
4,403,865 06/233,609 09/13/83
4,403,868 06/283,126 09/13/83
4,403,871 06/421,053 09/13/83
4,403,875 06/323,694 09/13/83
4,403,877 06/372,883 09/13/83
4,403,882 06/284,325 09/13/83
4,403,885 06/252,312 09/13/83
4,403,890 06/355,107 09/13/83
4,403,902 06/342,862 09/13/83
4,403,905 06/300,183 09/13/83
4,403,913 06/317,843 09/13/83
4,403,928 06/248,950 09/13/83
4,403,936 06/261,084 09/13/83
4,403,937 06/382,551 09/13/83
4,403,943 06/233,761 09/13/83
4,403,947 06/292,229 09/13/83
4,403,951 06/334,429 09/13/83
4,403,963 06/326,911 09/13/83
4,403,970 06/288,469 09/13/83
4,403,983 06/318,715 09/13/83
4,403,984 06/218,710 09/13/83
4,403,985 06/262,806 09/13/83
4,403,988 06/249,600 09/13/83
4,403,990 06/326,736 09/13/83
4,404,002 06/405,871 09/13/83
4,404,005 06/294,004 09/13/83
4,404,009 06/452,274 09/13/83
4,404,016 06/306,055 09/13/83
4,404,020 06/323,604 09/13/83
4,404,023 06/363,572 09/13/83
4,404,032 06/360,906 09/13/83
4,404,037 06/407,682 09/13/83
4,404,041 06/437,537 09/13/83
4,404,043 06/218,612 09/13/83
4,404,044 06/299,961 09/13/83
4,404,048 06/321,500 09/13/83
4,404,051 06/298,892 09/13/83
4,404,054 06/282,117 09/13/83
4,404,067 06/358,750 09/13/83
4,404,068 06/258,656 09/13/83
4,404,070 06/401,437 09/13/83
4,404,075 06/445,472 09/13/83
4,404,081 06/292,852 09/13/83
4,404,083 06/293,694 09/13/83
4,404,084 06/357,230 09/13/83
4,404,085 06/285,564 09/13/83
4,404,086 06/333,039 09/13/83
4,404,089 06/427,330 09/13/83
4,404,093 06/386,346 09/13/83
4,404,095 06/400,843 09/13/83
4,404,097 06/303,335 09/13/83
4,404,098 06/446,894 09/13/83
4,404,102 06/344,506 09/13/83
4,404,103 06/318,558 09/13/83
4,404,110 06/219,272 09/13/83
4,404,112 06/281,452 09/13/83
4,404,120 06/336,138 09/13/83
4,404,131 06/287,912 09/13/83
4,404,136 06/330,509 09/13/83
4,404,139 06/353,870 09/13/83
4,404,140 06/314,869 09/13/83
4,404,144 06/327,821 09/13/83
4,404,145 06/407,672 09/13/83
4,404,147 06/326,615 09/13/83
4,404,150 06/231,914 09/13/83
4,404,153 06/291,539 09/13/83
4,404,160 06/248,224 09/13/83
4,404,164 06/302,338 09/13/83
4,404,167 06/246,270 09/13/83
4,404,170 06/371,142 09/13/83
4,404,171 06/312,150 09/13/83
4,404,179 06/284,949 09/13/83
4,404,180 06/292,360 09/13/83
4,404,185 06/375,549 09/13/83
4,404,188 06/287,943 09/13/83
4,404,189 06/226,615 09/13/83
4,404,192 06/253,931 09/13/83
4,404,194 06/285,567 09/13/83
4,404,195 06/369,049 09/13/83
4,404,199 06/374,243 09/13/83
4,404,204 06/275,393 09/13/83
4,404,207 06/318,929 09/13/83
4,404,210 06/393,807 09/13/83
4,404,211 06/393,809 09/13/83
4,404,212 06/280,263 09/13/83
4,404,213 06/367,210 09/13/83
4,404,214 06/323,289 09/13/83
4,404,221 06/313,097 09/13/83
4,404,222 06/219,054 09/13/83
4,404,226 06/395,724 09/13/83
4,404,236 06/314,305 09/13/83
4,404,237 06/220,342 09/13/83
4,404,248 06/334,892 09/13/83
4,404,253 06/352,208 09/13/83
4,404,259 06/313,611 09/13/83
4,404,260 06/401,405 09/13/83
4,404,262 06/289,586 09/13/83
4,404,268 06/320,883 09/13/83
4,404,273 06/326,786 09/13/83
4,404,277 06/295,015 09/13/83
4,404,280 06/283,092 09/13/83
4,404,285 06/276,982 09/13/83
4,404,289 06/298,719 09/13/83
4,404,291 06/345,499 09/13/83
4,404,299 06/368,686 09/13/83
4,404,300 06/348,771 09/13/83
4,404,304 06/344,191 09/13/83
4,404,308 06/381,175 09/13/83
4,404,309 06/288,225 09/13/83
4,404,321 06/333,984 09/13/83
4,404,323 06/276,637 09/13/83
4,404,324 06/329,413 09/13/83
4,404,338 06/279,581 09/13/83
4,404,340 06/334,300 09/13/83
4,404,342 06/297,959 09/13/83
4,404,343 06/329,967 09/13/83
4,404,345 06/302,781 09/13/83
4,404,351 06/420,438 09/13/83
4,404,352 06/405,959 09/13/83
4,404,355 06/305,829 09/13/83
4,404,356 06/412,740 09/13/83
4,404,366 06/284,137 09/13/83
4,404,374 06/367,502 09/13/83
4,404,375 06/367,501 09/13/83
4,404,376 06/367,503 09/13/83
4,404,383 06/277,627 09/13/83
4,404,388 06/292,847 09/13/83
4,404,390 06/319,567 09/13/83
4,404,393 06/268,179 09/13/83
4,404,400 06/414,224 09/13/83
4,404,410 06/272,229 09/13/83
4,404,411 06/344,302 09/13/83
4,404,412 06/345,874 09/13/83
4,404,414 06/425,845 09/13/83
4,404,415 06/370,322 09/13/83
4,404,416 06/286,639 09/13/83
4,404,417 06/286,643 09/13/83
4,404,418 06/385,249 09/13/83
4,404,421 06/352,680 09/13/83
4,404,428 06/232,270 09/13/83
4,404,430 06/323,374 09/13/83
4,404,434 06/291,248 09/13/83
4,404,436 06/323,034 09/13/83
4,404,437 06/301,150 09/13/83
4,404,440 06/216,764 09/13/83
4,404,442 06/220,374 09/13/83
4,404,443 06/308,170 09/13/83
4,404,449 06/350,238 09/13/83
4,404,452 06/375,741 09/13/83
4,404,454 06/350,275 09/13/83
4,404,455 06/283,742 09/13/83
4,404,456 06/247,770 09/13/83
4,404,459 06/312,589 09/13/83
4,404,462 06/248,187 09/13/83
4,404,468 06/287,140 09/13/83
4,404,469 06/267,178 09/13/83
4,404,470 06/263,649 09/13/83
4,404,473 06/331,863 09/13/83
4,404,479 06/247,973 09/13/83
4,404,482 06/352,464 09/13/83
4,404,483 06/238,459 09/13/83
4,404,484 06/241,362 09/13/83
4,404,485 06/273,328 09/13/83
4,404,486 06/220,203 09/13/83
4,404,495 06/230,273 09/13/83
4,404,501 06/361,355 09/13/83
4,404,503 06/317,153 09/13/83
4,404,505 06/240,146 09/13/83
4,404,506 06/330,667 09/13/83
4,404,528 06/301,439 09/13/83
4,404,529 06/221,299 09/13/83
4,404,532 06/362,326 09/13/83
4,404,538 06/295,375 09/13/83
4,404,549 06/262,307 09/13/83
4,404,554 06/440,598 09/13/83
4,404,559 06/267,206 09/13/83
4,404,560 06/261,401 09/13/83
4,404,567 06/305,428 09/13/83
4,404,573 06/334,840 09/13/83
4,404,591 06/337,031 09/13/83
4,404,594 06/317,363 09/13/83
4,404,597 06/326,724 09/13/83
4,404,602 06/322,278 09/13/83
4,404,608 06/231,321 09/13/83
4,404,611 06/282,664 09/13/83
4,404,612 06/330,087 09/13/83
4,404,614 06/264,008 09/13/83
4,404,616 06/250,643 09/13/83
4,404,617 06/282,222 09/13/83
4,404,625 06/247,284 09/13/83
4,404,631 06/233,616 09/13/83
4,404,632 06/235,173 09/13/83
4,404,638 06/217,391 09/13/83
4,404,641 06/234,769 09/13/83
4,404,646 06/220,287 09/13/83
4,404,653 06/307,664 09/13/83
4,404,670 06/363,392 09/13/83
4,404,675 06/258,192 09/13/83
4,404,678 06/365,606 09/13/83
4,404,682 06/217,083 09/13/83
4,404,685 06/314,717 09/13/83
4,691,387 06/658,610 09/08/87
4,691,390 06/812,269 09/08/87
4,691,394 06/943,038 09/08/87
4,691,398 06/652,654 09/08/87
4,691,412 06/752,845 09/08/87
4,691,413 06/862,241 09/08/87
4,691,417 06/553,360 09/08/87
4,691,421 06/915,724 09/08/87
4,691,422 06/884,083 09/08/87
4,691,426 06/836,411 09/08/87
4,691,428 06/851,454 09/08/87
4,691,434 06/463,817 09/08/87
4,691,438 06/700,410 09/08/87
4,691,439 06/929,072 09/08/87
4,691,440 06/878,509 09/08/87
4,691,444 06/846,637 09/08/87
4,691,447 06/760,836 09/08/87
4,691,449 06/775,054 09/08/87
4,691,451 06/930,058 09/08/87
4,691,452 06/887,888 09/08/87
4,691,456 06/537,861 09/08/87
4,691,464 06/889,216 09/08/87
4,691,467 06/840,408 09/08/87
4,691,469 06/855,470 09/08/87
4,691,476 06/677,297 09/08/87
4,691,483 06/688,017 09/08/87
4,691,485 06/868,802 09/08/87
4,691,487 06/891,346 09/08/87
4,691,489 06/828,333 09/08/87
4,691,490 06/825,080 09/08/87
4,691,492 06/709,208 09/08/87
4,691,493 06/794,191 09/08/87
4,691,494 06/749,731 09/08/87
4,691,496 06/462,640 09/08/87
4,691,500 06/888,111 09/08/87
4,691,501 06/742,996 09/08/87
4,691,502 06/896,721 09/08/87
4,691,503 06/883,793 09/08/87
4,691,509 06/898,848 09/08/87
4,691,511 06/790,417 09/08/87
4,691,520 06/515,600 09/08/87
4,691,522 06/765,823 09/08/87
4,691,523 06/620,364 09/08/87
4,691,525 06/848,992 09/08/87
4,691,531 06/882,293 09/08/87
4,691,534 06/843,102 09/08/87
4,691,539 06/830,729 09/08/87
4,691,542 06/721,478 09/08/87
4,691,544 06/890,862 09/08/87
4,691,546 06/549,744 09/08/87
4,691,548 06/769,070 09/08/87
4,691,550 06/857,761 09/08/87
4,691,555 06/854,186 09/08/87
4,691,557 06/731,094 09/08/87
4,691,558 06/876,969 09/08/87
4,691,561 06/873,818 09/08/87
4,691,571 06/902,140 09/08/87
4,691,574 06/832,736 09/08/87
4,691,581 06/804,768 09/08/87
4,691,583 06/845,208 09/08/87
4,691,592 06/672,897 09/08/87
4,691,593 06/835,381 09/08/87
4,691,598 06/844,007 09/08/87
4,691,601 06/840,438 09/08/87
4,691,602 06/301,951 09/08/87
4,691,603 06/824,119 09/08/87
4,691,604 06/855,739 09/08/87
4,691,605 06/757,618 09/08/87
4,691,607 06/849,168 09/08/87
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4,691,617 06/829,216 09/08/87
4,691,618 06/859,992 09/08/87
4,691,620 06/725,225 09/08/87
4,691,621 06/869,591 09/08/87
4,691,628 06/922,958 09/08/87
4,691,635 06/775,400 09/08/87
4,691,638 06/729,026 09/08/87
4,691,643 06/903,238 09/08/87
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4,691,728 06/868,129 09/08/87
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4,691,745 06/804,480 09/08/87
4,691,746 06/782,122 09/08/87
4,691,748 06/819,278 09/08/87
4,691,753 06/945,205 09/08/87
4,691,754 06/814,970 09/08/87
4,691,757 06/901,995 09/08/87
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4,691,762 06/839,737 09/08/87
4,691,765 06/846,664 09/08/87
4,691,766 06/829,160 09/08/87
4,691,772 06/725,398 09/08/87
4,691,774 06/798,527 09/08/87
4,691,780 06/740,523 09/08/87
4,691,781 06/867,499 09/08/87
4,691,783 06/836,682 09/08/87
4,691,785 06/712,881 09/08/87
4,691,787 06/830,842 09/08/87
4,691,789 06/871,903 09/08/87
4,691,790 06/708,245 09/08/87
4,691,793 06/809,111 09/08/87
4,691,797 06/883,931 09/08/87
4,691,812 06/852,240 09/08/87
4,691,815 06/896,459 09/08/87
4,691,822 06/849,261 09/08/87
4,691,823 06/944,576 09/08/87
4,691,829 06/678,613 09/08/87
4,691,831 06/747,560 09/08/87
4,691,841 06/819,933 09/08/87
4,691,846 06/743,529 09/08/87
4,691,849 06/805,272 09/08/87
4,691,852 06/544,262 09/08/87
4,691,856 06/749,764 09/08/87
4,691,857 06/796,322 09/08/87
4,691,858 06/517,324 09/08/87
4,691,869 06/888,626 09/08/87
4,691,876 06/870,501 09/08/87
4,691,878 06/795,303 09/08/87
4,691,879 06/875,024 09/08/87
4,691,882 06/843,846 09/08/87
4,691,883 06/890,868 09/08/87
4,691,884 06/803,484 09/08/87
4,691,885 06/859,393 09/08/87
4,691,889 06/887,749 09/08/87
4,691,891 06/780,096 09/08/87
4,691,901 06/942,627 09/08/87
4,691,903 06/850,705 09/08/87
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