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 April 10, 1996
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Number Serial Number Issue Date
Re. 33,382 06/849,526 10/16/90
(4,441,442) (06/385,921) (04/10/84)
Re. 33,531 07/375,189 02/05/91
(4,735,359) (06/832,853) (04/05/88)
Re. 34,000 07/499,947 07/21/92
(4,736,101) (07/084,518) (04/05/88)
4,441,215 06/469,174 04/10/84
4,441,216 06/327,081 04/10/84
4,441,218 06/408,809 04/10/84
4,441,238 06/232,469 04/10/84
4,441,240 06/375,166 04/10/84
4,441,248 06/446,174 04/10/84
4,441,251 06/391,025 04/10/84
4,441,256 06/444,262 04/10/84
4,441,264 06/360,344 04/10/84
4,441,265 06/365,514 04/10/84
4,441,272 06/329,613 04/10/84
4,441,279 06/299,569 04/10/84
4,441,283 06/391,125 04/10/84
4,441,285 06/286,045 04/10/84
4,441,291 06/300,510 04/10/84
4,441,303 06/345,549 04/10/84
4,441,309 06/526,386 04/10/84
4,441,310 06/496,745 04/10/84
4,441,317 06/321,550 04/10/84
4,441,320 06/262,075 04/10/84
4,441,321 06/361,863 04/10/84
4,441,324 06/242,606 04/10/84
4,441,327 06/328,052 04/10/84
4,441,331 06/372,239 04/10/84
4,441,334 06/355,293 04/10/84
4,441,336 06/410,579 04/10/84
4,441,337 06/456,709 04/10/84
4,441,341 06/361,037 04/10/84
4,441,348 06/322,265 04/10/84
4,441,353 06/343,218 04/10/84
4,441,363 06/281,435 04/10/84
4,441,370 06/344,226 04/10/84
4,441,371 06/358,109 04/10/84
4,441,372 06/375,350 04/10/84
4,441,376 06/373,575 04/10/84
4,441,389 06/290,064 04/10/84
4,441,390 06/421,392 04/10/84
4,441,399 06/301,089 04/10/84
4,441,404 06/501,970 04/10/84
4,441,405 06/350,883 04/10/84
4,441,407 06/339,302 04/10/84
4,441,416 06/417,999 04/10/84
4,441,427 06/353,321 04/10/84
4,441,431 06/286,234 04/10/84
4,441,435 06/435,275 04/10/84
4,441,438 06/391,003 04/10/84
4,441,440 06/449,721 04/10/84
4,441,441 06/382,554 04/10/84
4,441,451 06/359,056 04/10/84
4,441,452 06/341,308 04/10/84
4,441,453 06/347,523 04/10/84
4,441,461 06/532,257 04/10/84
4,441,469 06/323,786 04/10/84
4,441,475 06/396,858 04/10/84
4,441,478 06/460,875 04/10/84
4,441,489 06/355,623 04/10/84
4,441,495 06/408,344 04/10/84
4,441,502 06/409,554 04/10/84
4,441,506 06/264,969 04/10/84
4,441,507 06/325,977 04/10/84
4,441,514 06/338,897 04/10/84
4,441,518 06/362,318 04/10/84
4,441,523 06/403,166 04/10/84
4,441,528 06/450,438 04/10/84
4,441,532 06/373,939 04/10/84
4,441,534 06/343,822 04/10/84
4,441,537 06/320,701 04/10/84
4,441,538 06/298,987 04/10/84
4,441,541 06/357,275 04/10/84
4,441,544 06/354,745 04/10/84
4,441,546 06/259,357 04/10/84
4,441,548 06/334,856 04/10/84
4,441,558 06/368,690 04/10/84
4,441,559 06/442,481 04/10/84
4,441,560 06/494,587 04/10/84
4,441,569 06/372,706 04/10/84
4,441,570 06/330,327 04/10/84
4,441,578 06/399,498 04/10/84
4,441,579 06/371,230 04/10/84
4,441,582 06/331,438 04/10/84
4,441,585 06/375,114 04/10/84
4,441,595 06/310,956 04/10/84
4,441,596 06/333,794 04/10/84
4,441,608 06/259,679 04/10/84
4,441,612 06/230,094 04/10/84
4,441,617 06/274,301 04/10/84
4,441,623 06/389,310 04/10/84
4,441,627 06/235,836 04/10/84
4,441,638 06/470,069 04/10/84
4,441,639 06/412,299 04/10/84
4,441,642 06/390,354 04/10/84
4,441,648 06/366,634 04/10/84
4,441,650 06/412,754 04/10/84
4,441,652 06/346,326 04/10/84
4,441,653 06/272,444 04/10/84
4,441,657 06/311,931 04/10/84
4,441,662 06/345,039 04/10/84
4,441,669 06/370,845 04/10/84
4,441,678 06/249,328 04/10/84
4,441,684 06/324,682 04/10/84
4,441,685 06/434,190 04/10/84
4,441,690 06/344,536 04/10/84
4,441,691 06/341,752 04/10/84
4,441,693 06/383,763 04/10/84
4,441,697 06/344,099 04/10/84
4,441,700 06/428,091 04/10/84
4,441,701 06/419,184 04/10/84
4,441,708 06/304,766 04/10/84
4,441,709 06/312,990 04/10/84
4,441,712 06/309,398 04/10/84
4,441,720 06/435,769 04/10/84
4,441,721 06/375,417 04/10/84
4,441,722 06/375,926 04/10/84
4,441,725 06/366,914 04/10/84
4,441,732 06/301,028 04/10/84
4,441,735 06/349,796 04/10/84
4,441,744 06/331,577 04/10/84
4,441,746 06/336,688 04/10/84
4,441,749 06/291,943 04/10/84
4,441,753 06/306,476 04/10/84
4,441,755 06/400,598 04/10/84
4,441,763 06/349,936 04/10/84
4,441,768 06/358,695 04/10/84
4,441,773 06/346,521 04/10/84
4,441,776 06/319,457 04/10/84
4,441,778 06/309,900 04/10/84
4,441,786 06/316,912 04/10/84
4,441,787 06/258,618 04/10/84
4,441,793 06/456,700 04/10/84
4,441,820 06/423,784 04/10/84
4,441,822 06/376,644 04/10/84
4,441,832 06/361,542 04/10/84
4,441,837 06/299,425 04/10/84
4,441,847 06/441,010 04/10/84
4,441,848 06/299,309 04/10/84
4,441,857 06/305,728 04/10/84
4,441,858 06/236,207 04/10/84
4,441,860 06/353,439 04/10/84
4,441,875 06/470,354 04/10/84
4,441,879 06/303,640 04/10/84
4,441,889 06/416,606 04/10/84
4,441,893 06/439,635 04/10/84
4,441,896 06/417,234 04/10/84
4,441,900 06/381,846 04/10/84
4,441,901 06/379,988 04/10/84
4,441,905 06/461,684 04/10/84
4,441,910 06/345,935 04/10/84
4,441,911 06/418,370 04/10/84
4,441,914 06/335,950 04/10/84
4,441,916 06/313,057 04/10/84
4,441,918 06/394,295 04/10/84
4,441,925 06/360,054 04/10/84
4,441,926 06/416,235 04/10/84
4,441,935 06/413,257 04/10/84
4,441,946 06/443,253 04/10/84
4,441,955 06/405,554 04/10/84
4,441,958 06/339,676 04/10/84
4,441,966 06/312,354 04/10/84
4,441,968 06/326,285 04/10/84
4,441,969 06/362,940 04/10/84
4,441,976 06/316,389 04/10/84
4,441,979 06/499,777 04/10/84
4,441,984 06/219,675 04/10/84
4,441,985 06/355,850 04/10/84
4,441,997 06/469,888 04/10/84
4,442,000 06/341,311 04/10/84
4,442,001 06/423,832 04/10/84
4,442,008 06/369,089 04/10/84
4,442,011 06/332,770 04/10/84
4,442,013 06/360,726 04/10/84
4,442,029 06/460,881 04/10/84
4,442,032 06/325,513 04/10/84
4,442,040 06/283,868 04/10/84
4,442,044 06/479,246 04/10/84
4,442,052 06/365,209 04/10/84
4,442,060 06/337,844 04/10/84
4,442,064 06/316,174 04/10/84
4,442,068 06/419,310 04/10/84
4,442,069 06/419,297 04/10/84
4,442,074 06/422,989 04/10/84
4,442,075 06/480,252 04/10/84
4,442,082 06/453,456 04/10/84
4,442,088 06/307,085 04/10/84
4,442,091 06/377,205 04/10/84
4,442,092 06/369,623 04/10/84
4,442,099 06/325,553 04/10/84
4,442,102 06/409,631 04/10/84
4,442,114 06/458,700 04/10/84
4,442,122 06/333,276 04/10/84
4,442,127 06/459,165 04/10/84
4,442,132 06/403,718 04/10/84
4,442,140 06/371,829 04/10/84
4,442,145 06/393,224 04/10/84
4,442,156 06/370,675 04/10/84
4,442,160 06/397,943 04/10/84
4,442,162 06/309,899 04/10/84
4,442,163 06/459,983 04/10/84
4,442,164 06/545,103 04/10/84
4,442,176 06/524,666 04/10/84
4,442,183 06/311,458 04/10/84
4,442,185 06/386,666 04/10/84
4,442,189 06/461,088 04/10/84
4,442,197 06/338,818 04/10/84
4,442,199 06/520,761 04/10/84
4,442,202 06/468,692 04/10/84
4,442,209 06/374,685 04/10/84
4,442,210 06/298,665 04/10/84
4,442,216 06/427,879 04/10/84
4,442,217 06/339,981 04/10/84
4,442,219 06/312,586 04/10/84
4,442,221 06/367,070 04/10/84
4,442,228 06/443,131 04/10/84
4,442,234 06/516,779 04/10/84
4,442,235 06/492,923 04/10/84
4,442,236 06/522,276 04/10/84
4,442,239 06/347,429 04/10/84
4,442,241 06/392,632 04/10/84
4,442,245 06/504,928 04/10/84
4,442,247 06/411,482 04/10/84
4,442,252 06/366,619 04/10/84
4,442,253 06/426,661 04/10/84
4,442,261 06/338,502 04/10/84
4,442,265 06/427,249 04/10/84
4,442,268 06/290,087 04/10/84
4,442,270 06/464,804 04/10/84
4,442,272 06/293,334 04/10/84
4,442,273 06/482,391 04/10/84
4,442,274 06/423,597 04/10/84
4,442,275 06/426,332 04/10/84
4,442,277 06/421,222 04/10/84
4,442,281 06/529,531 04/10/84
4,442,284 06/350,887 04/10/84
4,442,285 06/374,819 04/10/84
4,442,290 06/362,651 04/10/84
4,442,297 06/262,705 04/10/84
4,442,298 06/413,009 04/10/84
4,442,317 06/300,687 04/10/84
4,442,322 06/395,885 04/10/84
4,442,328 06/396,365 04/10/84
4,442,330 06/399,820 04/10/84
4,442,331 06/341,088 04/10/84
4,442,334 06/334,072 04/10/84
4,442,336 06/310,142 04/10/84
4,442,339 06/401,774 04/10/84
4,442,355 06/286,056 04/10/84
4,442,357 06/304,290 04/10/84
4,442,362 06/378,558 04/10/84
4,442,374 06/362,016 04/10/84
4,442,380 06/297,169 04/10/84
4,442,382 06/395,136 04/10/84
4,442,383 06/355,894 04/10/84
4,442,385 06/465,590 04/10/84
4,442,387 06/324,697 04/10/84
4,442,396 06/480,727 04/10/84
4,442,401 06/338,121 04/10/84
4,442,410 06/316,208 04/10/84
4,442,411 06/298,775 04/10/84
4,442,412 06/320,433 04/10/84
4,442,414 06/255,027 04/10/84
4,442,418 06/471,542 04/10/84
4,442,419 06/306,868 04/10/84
4,442,423 06/337,909 04/10/84
4,442,425 06/321,009 04/10/84
4,442,434 06/243,623 04/10/84
4,442,438 06/363,186 04/10/84
4,442,440 06/365,123 04/10/84
4,442,443 06/389,785 04/10/84
4,442,451 06/259,381 04/10/84
4,442,455 06/260,784 04/10/84
4,442,466 06/350,484 04/10/84
4,442,471 06/358,200 04/10/84
4,442,479 06/345,150 04/10/84
4,442,483 06/420,868 04/10/84
4,442,491 06/276,650 04/10/84
4,442,506 06/388,266 04/10/84
4,442,511 06/298,336 04/10/84
4,442,514 06/329,560 04/10/84
4,442,516 06/269,163 04/10/84
4,442,521 06/295,318 04/10/84
4,442,531 06/296,821 04/10/84
4,442,532 06/265,323 04/10/84
4,442,536 06/284,101 04/10/84
4,442,537 06/377,465 04/10/84
4,442,542 06/344,245 04/10/84
4,442,543 06/292,062 04/10/84
4,442,546 06/434,850 04/10/84
4,734,939 06/754,904 04/05/88
4,734,941 07/048,926 04/05/88
4,734,942 06/787,980 04/05/88
4,734,950 07/032,238 04/05/88
4,734,952 06/865,525 04/05/88
4,734,954 07/017,477 04/05/88
4,734,956 07/078,342 04/05/88
4,734,957 06/931,817 04/05/88
4,734,958 06/935,766 04/05/88
4,734,960 06/727,662 04/05/88
4,734,971 07/002,132 04/05/88
4,734,980 06/862,636 04/05/88
4,734,985 07/007,524 04/05/88
4,734,989 06/917,799 04/05/88
4,734,990 06/855,959 04/05/88
4,734,997 07/004,517 04/05/88
4,735,011 07/064,956 04/05/88
4,735,012 06/929,360 04/05/88
4,735,017 06/679,355 04/05/88
4,735,025 07/014,335 04/05/88
4,735,030 06/910,474 04/05/88
4,735,031 06/906,893 04/05/88
4,735,040 07/010,275 04/05/88
4,735,041 07/035,650 04/05/88
4,735,042 07/004,083 04/05/88
4,735,045 06/894,760 04/05/88
4,735,047 06/864,405 04/05/88
4,735,059 07/020,376 04/05/88
4,735,061 07/092,628 04/05/88
4,735,062 07/064,593 04/05/88
4,735,063 07/037,554 04/05/88
4,735,066 07/106,357 04/05/88
4,735,073 06/826,108 04/05/88
4,735,076 06/873,094 04/05/88
4,735,080 07/004,921 04/05/88
4,735,081 06/827,057 04/05/88
4,735,083 06/903,451 04/05/88
4,735,086 07/066,783 04/05/88
4,735,091 06/933,938 04/05/88
4,735,096 06/900,854 04/05/88
4,735,103 06/915,469 04/05/88
4,735,109 07/077,063 04/05/88
4,735,110 07/003,389 04/05/88
4,735,116 06/860,101 04/05/88
4,735,121 06/939,524 04/05/88
4,735,122 07/016,267 04/05/88
4,735,123 06/923,512 04/05/88
4,735,125 07/016,182 04/05/88
4,735,135 06/929,062 04/05/88
4,735,137 07/024,900 04/05/88
4,735,145 07/020,999 04/05/88
4,735,146 06/855,128 04/05/88
4,735,149 06/846,237 04/05/88
4,735,150 06/803,813 04/05/88
4,735,157 07/008,972 04/05/88
4,735,159 07/014,995 04/05/88
4,735,160 07/070,915 04/05/88
4,735,163 06/818,170 04/05/88
4,735,164 06/844,529 04/05/88
4,735,174 06/822,844 04/05/88
4,735,175 07/029,901 04/05/88
4,735,178 06/858,871 04/05/88
4,735,183 06/839,193 04/05/88
4,735,186 06/720,356 04/05/88
4,735,192 06/852,201 04/05/88
4,735,193 06/699,897 04/05/88
4,735,195 06/900,244 04/05/88
4,735,197 06/888,756 04/05/88
4,735,201 06/824,075 04/05/88
4,735,207 06/836,659 04/05/88
4,735,215 07/000,465 04/05/88
4,735,216 06/747,447 04/05/88
4,735,218 06/866,494 04/05/88
4,735,220 06/467,096 04/05/88
4,735,225 06/897,828 04/05/88
4,735,229 07/045,891 04/05/88
4,735,232 07/024,169 04/05/88
4,735,237 07/021,243 04/05/88
4,735,239 06/909,834 04/05/88
4,735,240 06/940,014 04/05/88
4,735,242 07/056,007 04/05/88
4,735,243 06/894,365 04/05/88
4,735,248 06/886,469 04/05/88
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4,735,324 06/907,116 04/05/88
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4,735,370 07/079,897 04/05/88
4,735,378 06/903,504 04/05/88
4,735,381 07/013,801 04/05/88
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4,735,387 06/853,847 04/05/88
4,735,389 06/934,999 04/05/88
4,735,391 06/936,732 04/05/88
4,735,392 07/008,942 04/05/88
4,735,393 07/048,590 04/05/88
4,735,399 06/834,618 04/05/88
4,735,400 07/027,277 04/05/88
4,735,408 06/918,117 04/05/88
4,735,410 07/084,981 04/05/88
4,735,412 06/612,662 04/05/88
4,735,413 06/770,771 04/05/88
4,735,419 06/915,785 04/05/88
4,735,420 06/927,433 04/05/88
4,735,421 06/406,827 04/05/88
4,735,427 06/921,029 04/05/88
4,735,436 07/053,872 04/05/88
4,735,440 06/881,194 04/05/88
4,735,443 06/911,585 04/05/88
4,735,444 07/041,254 04/05/88
4,735,445 06/896,646 04/05/88
4,735,451 06/832,982 04/05/88
4,735,455 06/925,705 04/05/88
4,735,461 07/040,903 04/05/88
4,735,462 06/930,247 04/05/88
4,735,464 06/899,479 04/05/88
4,735,468 07/016,639 04/05/88
4,735,469 06/920,114 04/05/88
4,735,470 06/845,512 04/05/88
4,735,476 06/777,205 04/05/88
4,735,479 06/854,483 04/05/88
4,735,484 06/699,666 04/05/88
4,735,485 06/581,176 04/05/88
4,735,491 06/686,925 04/05/88
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