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 March 19, 1997
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Number Serial Number Issue Date
Re. 32,430 06/838,968 06/02/87
(4,506,004) (06/364,309) (03/19/85)
Re. 34,424 06/863,966 10/26/93
(4,504,981) (06/306,326) (03/19/85)
4,504,978 06/490,095 03/19/85
4,504,979 06/500,097 03/19/85
4,504,980 06/533,438 03/19/85
4,504,990 06/399,331 03/19/85
4,504,991 06/386,101 03/19/85
4,504,993 06/480,758 03/19/85
4,505,005 06/540,887 03/19/85
4,505,008 06/603,140 03/19/85
4,505,010 06/421,314 03/19/85
4,505,020 06/517,571 03/19/85
4,505,027 06/575,138 03/19/85
4,505,032 06/626,531 03/19/85
4,505,048 06/446,628 03/19/85
4,505,051 06/519,370 03/19/85
4,505,052 06/495,834 03/19/85
4,505,062 06/405,345 03/19/85
4,505,068 06/467,818 03/19/85
4,505,072 06/530,344 03/19/85
4,505,078 06/538,860 03/19/85
4,505,079 06/387,044 03/19/85
4,505,081 06/409,287 03/19/85
4,505,091 06/376,447 03/19/85
4,505,099 06/535,740 03/19/85
4,505,106 06/587,201 03/19/85
4,505,110 06/405,192 03/19/85
4,505,119 06/512,411 03/19/85
4,505,127 06/467,454 03/19/85
4,505,128 06/521,095 03/19/85
4,505,130 06/589,667 03/19/85
4,505,131 06/474,353 03/19/85
4,505,133 06/510,308 03/19/85
4,505,134 06/492,701 03/19/85
4,505,140 06/415,666 03/19/85
4,505,147 06/468,793 03/19/85
4,505,149 06/460,439 03/19/85
4,505,151 06/487,536 03/19/85
4,505,161 06/478,381 03/19/85
4,505,164 06/309,689 03/19/85
4,505,174 06/547,953 03/19/85
4,505,176 06/423,023 03/19/85
4,505,181 06/479,196 03/19/85
4,505,183 06/446,396 03/19/85
4,505,186 06/495,934 03/19/85
4,505,187 06/365,927 03/19/85
4,505,190 06/369,502 03/19/85
4,505,198 06/536,286 03/19/85
4,505,211 06/375,756 03/19/85
4,505,216 06/480,326 03/19/85
4,505,217 06/489,700 03/19/85
4,505,227 06/583,148 03/19/85
4,505,228 06/522,110 03/19/85
4,505,239 06/587,691 03/19/85
4,505,247 06/480,323 03/19/85
4,505,251 06/464,905 03/19/85
4,505,276 06/504,707 03/19/85
4,505,281 06/399,833 03/19/85
4,505,304 06/471,799 03/19/85
4,505,309 06/514,533 03/19/85
4,505,316 06/399,830 03/19/85
4,505,319 06/352,997 03/19/85
4,505,321 06/461,472 03/19/85
4,505,322 06/547,446 03/19/85
4,505,329 06/337,759 03/19/85
4,505,330 06/512,107 03/19/85
4,505,331 06/440,071 03/19/85
4,505,332 06/435,675 03/19/85
4,505,336 06/470,705 03/19/85
4,505,339 06/388,569 03/19/85
4,505,352 06/455,717 03/19/85
4,505,355 06/460,225 03/19/85
4,505,357 06/520,045 03/19/85
4,505,358 06/549,743 03/19/85
4,505,360 06/472,472 03/19/85
4,505,363 06/436,818 03/19/85
4,505,365 06/499,616 03/19/85
4,505,368 06/417,359 03/19/85
4,505,375 06/397,372 03/19/85
4,505,378 06/450,586 03/19/85
4,505,382 06/457,343 03/19/85
4,505,394 06/431,907 03/19/85
4,505,402 06/505,408 03/19/85
4,505,406 06/348,208 03/19/85
4,505,427 06/539,571 03/19/85
4,505,430 06/443,169 03/19/85
4,505,441 06/505,809 03/19/85
4,505,442 06/505,815 03/19/85
4,505,443 06/296,710 03/19/85
4,505,444 06/458,777 03/19/85
4,505,456 06/588,247 03/19/85
4,505,466 06/337,180 03/19/85
4,505,467 06/519,483 03/19/85
4,505,475 06/498,886 03/19/85
4,505,482 06/549,042 03/19/85
4,505,492 06/398,263 03/19/85
4,505,494 06/333,531 03/19/85
4,505,496 06/417,074 03/19/85
4,505,497 06/529,946 03/19/85
4,505,506 06/493,477 03/19/85
4,505,514 06/470,003 03/19/85
4,505,525 06/618,210 03/19/85
4,505,527 06/527,638 03/19/85
4,505,528 06/527,639 03/19/85
4,505,537 06/507,177 03/19/85
4,505,538 06/416,712 03/19/85
4,505,542 06/422,481 03/19/85
4,505,543 06/434,286 03/19/85
4,505,550 06/345,126 03/19/85
4,505,553 06/517,057 03/19/85
4,505,555 06/445,284 03/19/85
4,505,557 06/408,247 03/19/85
4,505,566 06/579,358 03/19/85
4,505,570 06/442,961 03/19/85
4,505,571 06/388,731 03/19/85
4,505,581 06/372,582 03/19/85
4,505,585 06/362,680 03/19/85
4,505,592 06/547,998 03/19/85
4,505,595 06/581,254 03/19/85
4,505,605 06/546,280 03/19/85
4,505,619 06/351,319 03/19/85
4,505,624 06/540,275 03/19/85
4,505,625 06/346,170 03/19/85
4,505,627 06/452,365 03/19/85
4,505,639 06/477,171 03/19/85
4,505,643 06/476,813 03/19/85
4,505,648 06/416,831 03/19/85
4,505,654 06/528,416 03/19/85
4,505,657 06/624,791 03/19/85
4,505,664 06/561,362 03/19/85
4,505,682 06/382,006 03/19/85
4,505,687 06/523,289 03/19/85
4,505,695 06/485,984 03/19/85
4,505,701 06/378,628 03/19/85
4,505,702 06/452,552 03/19/85
4,505,706 06/457,860 03/19/85
4,505,731 06/472,363 03/19/85
4,505,732 06/416,102 03/19/85
4,505,753 06/509,685 03/19/85
4,505,756 06/298,380 03/19/85
4,505,763 06/391,305 03/19/85
4,505,764 06/473,676 03/19/85
4,505,766 06/491,543 03/19/85
4,505,767 06/541,844 03/19/85
4,505,775 06/507,366 03/19/85
4,505,785 06/349,681 03/19/85
4,505,791 06/408,945 03/19/85
4,505,794 06/422,111 03/19/85
4,505,797 06/478,603 03/19/85
4,505,806 06/404,836 03/19/85
4,505,808 06/532,826 03/19/85
4,505,809 06/546,890 03/19/85
4,505,814 06/486,072 03/19/85
4,505,818 06/534,077 03/19/85
4,505,837 06/478,424 03/19/85
4,505,839 06/264,506 03/19/85
4,505,858 06/538,022 03/19/85
4,505,859 06/309,961 03/19/85
4,505,860 06/410,791 03/19/85
4,505,874 06/355,617 03/19/85
4,505,877 06/351,215 03/19/85
4,505,879 06/278,004 03/19/85
4,505,888 06/498,867 03/19/85
4,505,890 06/509,493 03/19/85
4,505,891 06/387,885 03/19/85
4,505,905 06/368,877 03/19/85
4,505,908 06/422,297 03/19/85
4,505,911 06/541,400 03/19/85
4,505,922 06/385,354 03/19/85
4,505,924 06/482,420 03/19/85
4,505,930 06/511,822 03/19/85
4,505,935 06/409,972 03/19/85
4,505,938 06/494,613 03/19/85
4,505,940 06/594,460 03/19/85
4,505,946 06/325,903 03/19/85
4,505,949 06/603,545 03/19/85
4,505,955 06/288,278 03/19/85
4,505,957 06/449,379 03/19/85
4,505,961 06/373,556 03/19/85
4,505,962 06/454,772 03/19/85
4,505,965 06/393,375 03/19/85
4,505,979 06/600,868 03/19/85
4,505,982 06/327,573 03/19/85
4,505,990 06/513,877 03/19/85
4,505,993 06/609,064 03/19/85
4,505,995 06/312,588 03/19/85
4,505,999 06/531,140 03/19/85
4,506,002 06/555,733 03/19/85
4,506,005 06/493,151 03/19/85
4,506,015 06/435,218 03/19/85
4,506,020 06/468,949 03/19/85
4,506,021 06/579,172 03/19/85
4,506,023 06/534,504 03/19/85
4,506,024 06/528,466 03/19/85
4,506,029 06/451,629 03/19/85
4,506,036 06/631,104 03/19/85
4,506,038 06/446,507 03/19/85
4,506,039 06/450,813 03/19/85
4,506,040 06/518,880 03/19/85
4,506,046 06/596,656 03/19/85
4,506,057 06/562,886 03/19/85
4,506,059 06/397,886 03/19/85
4,506,063 06/582,415 03/19/85
4,506,064 06/550,382 03/19/85
4,506,065 06/567,816 03/19/85
4,506,067 06/539,162 03/19/85
4,506,069 06/564,972 03/19/85
4,506,070 06/591,846 03/19/85
4,506,072 06/485,766 03/19/85
4,506,076 06/258,661 03/19/85
4,506,083 06/392,922 03/19/85
4,506,085 06/586,143 03/19/85
4,506,086 06/515,411 03/19/85
4,506,087 06/538,589 03/19/85
4,506,088 06/488,291 03/19/85
4,506,089 06/586,668 03/19/85
4,506,097 06/488,476 03/19/85
4,506,100 06/405,218 03/19/85
4,506,101 06/414,565 03/19/85
4,506,108 06/481,128 03/19/85
4,506,109 06/382,363 03/19/85
4,506,110 06/569,515 03/19/85
4,506,112 06/483,307 03/19/85
4,506,121 06/440,729 03/19/85
4,506,124 06/543,667 03/19/85
4,506,125 06/498,572 03/19/85
4,506,126 06/498,573 03/19/85
4,506,128 06/542,448 03/19/85
4,506,134 06/577,782 03/19/85
4,506,140 06/441,483 03/19/85
4,506,142 06/389,490 03/19/85
4,506,145 06/447,370 03/19/85
4,506,154 06/436,055 03/19/85
4,506,158 06/471,927 03/19/85
4,506,159 06/522,038 03/19/85
4,506,160 06/495,536 03/19/85
4,506,162 06/481,892 03/19/85
4,506,167 06/469,541 03/19/85
4,506,172 06/632,696 03/19/85
4,506,178 06/551,765 03/19/85
4,506,180 06/464,941 03/19/85
4,506,184 06/569,632 03/19/85
4,506,186 06/427,181 03/19/85
4,506,190 06/423,767 03/19/85
4,506,191 06/306,804 03/19/85
4,506,192 06/468,238 03/19/85
4,506,193 06/657,057 03/19/85
4,506,194 06/494,905 03/19/85
4,506,195 06/464,435 03/19/85
4,506,200 06/567,253 03/19/85
4,506,201 06/492,829 03/19/85
4,506,204 06/502,993 03/19/85
4,506,205 06/502,998 03/19/85
4,506,206 06/456,680 03/19/85
4,506,207 06/537,917 03/19/85
4,506,213 06/514,489 03/19/85
4,506,217 06/398,650 03/19/85
4,506,221 06/392,858 03/19/85
4,506,226 06/379,650 03/19/85
4,506,233 06/392,566 03/19/85
4,506,239 06/436,204 03/19/85
4,506,240 06/413,948 03/19/85
4,506,253 06/455,075 03/19/85
4,506,254 06/440,643 03/19/85
4,506,256 06/366,128 03/19/85
4,506,289 06/435,293 03/19/85
4,506,298 06/440,301 03/19/85
4,506,307 06/320,166 03/19/85
4,506,310 06/590,964 03/19/85
4,506,311 06/534,917 03/19/85
4,506,312 06/534,403 03/19/85
4,506,325 06/441,962 03/19/85
4,506,327 06/323,856 03/19/85
4,506,338 06/319,743 03/19/85
4,506,340 06/481,684 03/19/85
4,506,351 06/391,333 03/19/85
4,506,354 06/429,856 03/19/85
4,506,356 06/324,659 03/19/85
4,506,364 06/429,644 03/19/85
4,506,370 06/511,175 03/19/85
4,506,371 06/491,895 03/19/85
4,506,376 06/450,174 03/19/85
4,506,378 06/408,700 03/19/85
4,811,428 07/092,265 03/14/89
4,811,431 06/868,435 03/14/89
4,811,434 07/058,522 03/14/89
4,811,435 07/144,188 03/14/89
4,811,436 07/140,669 03/14/89
4,811,459 07/196,234 03/14/89
4,811,462 07/102,548 03/14/89
4,811,464 07/099,611 03/14/89
4,811,466 07/028,967 03/14/89
4,811,467 06/456,129 03/14/89
4,811,469 07/077,428 03/14/89
4,811,470 07/078,331 03/14/89
4,811,471 07/125,898 03/14/89
4,811,476 07/143,064 03/14/89
4,811,477 07/061,644 03/14/89
4,811,481 06/780,765 03/14/89
4,811,483 07/206,982 03/14/89
4,811,484 07/205,600 03/14/89
4,811,485 07/116,334 03/14/89
4,811,486 07/105,519 03/14/89
4,811,489 07/101,402 03/14/89
4,811,495 07/144,101 03/14/89
4,811,498 06/893,910 03/14/89
4,811,503 07/018,332 03/14/89
4,811,505 07/155,892 03/14/89
4,811,510 07/107,484 03/14/89
4,811,514 07/219,478 03/14/89
4,811,517 07/111,054 03/14/89
4,811,518 06/935,935 03/14/89
4,811,523 06/853,838 03/14/89
4,811,525 07/159,960 03/14/89
4,811,529 06/394,252 03/14/89
4,811,531 07/107,555 03/14/89
4,811,536 06/406,573 03/14/89
4,811,537 06/877,528 03/14/89
4,811,541 07/040,783 03/14/89
4,811,543 06/839,211 03/14/89
4,811,548 07/049,586 03/14/89
4,811,549 07/036,238 03/14/89
4,811,552 07/118,688 03/14/89
4,811,555 07/122,067 03/14/89
4,811,558 06/310,900 03/14/89
4,811,562 07/116,156 03/14/89
4,811,567 07/163,844 03/14/89
4,811,568 07/210,244 03/14/89
4,811,569 07/197,177 03/14/89
4,811,571 07/173,911 03/14/89
4,811,577 07/088,398 03/14/89
4,811,584 07/012,569 03/14/89
4,811,586 07/142,503 03/14/89
4,811,588 07/176,770 03/14/89
4,811,594 07/185,385 03/14/89
4,811,596 07/121,602 03/14/89
4,811,597 07/203,969 03/14/89
4,811,603 07/100,954 03/14/89
4,811,606 07/183,606 03/14/89
4,811,609 07/192,621 03/14/89
4,811,618 07/076,151 03/14/89
4,811,619 07/204,944 03/14/89
4,811,624 06/828,043 03/14/89
4,811,629 06/757,912 03/14/89
4,811,630 07/162,087 03/14/89
4,811,631 06/869,995 03/14/89
4,811,639 07/158,889 03/14/89
4,811,640 07/168,143 03/14/89
4,811,641 07/114,416 03/14/89
4,811,655 07/022,526 03/14/89
4,811,658 07/051,525 03/14/89
4,811,661 07/134,789 03/14/89
4,811,662 07/095,206 03/14/89
4,811,663 06/947,025 03/14/89
4,811,664 07/173,993 03/14/89
4,811,665 07/035,041 03/14/89
4,811,669 06/846,343 03/14/89
4,811,675 07/071,271 03/14/89
4,811,680 07/012,158 03/14/89
4,811,685 07/105,310 03/14/89
4,811,687 07/133,113 03/14/89
4,811,689 06/862,036 03/14/89
4,811,692 07/010,192 03/14/89
4,811,693 07/014,718 03/14/89
4,811,696 07/156,482 03/14/89
4,811,701 07/201,894 03/14/89
4,811,702 07/166,891 03/14/89
4,811,703 07/167,736 03/14/89
4,811,704 07/164,690 03/14/89
4,811,709 07/148,588 03/14/89
4,811,712 07/002,216 03/14/89
4,811,713 07/113,523 03/14/89
4,811,732 07/090,427 03/14/89
4,811,744 07/171,343 03/14/89
4,811,746 07/049,561 03/14/89
4,811,747 06/479,675 03/14/89
4,811,750 07/206,282 03/14/89
4,811,753 07/135,365 03/14/89
4,811,762 07/073,466 03/14/89
4,811,768 07/183,561 03/14/89
4,811,769 07/148,368 03/14/89
4,811,770 07/030,729 03/14/89
4,811,771 07/141,456 03/14/89
4,811,773 07/063,049 03/14/89
4,811,776 07/150,937 03/14/89
4,811,782 07/153,461 03/14/89
4,811,783 07/106,900 03/14/89
4,811,784 07/187,572 03/14/89
4,811,786 06/794,341 03/14/89
4,811,788 06/829,431 03/14/89
4,811,789 07/049,193 03/14/89
4,811,791 07/081,395 03/14/89
4,811,796 07/085,806 03/14/89
4,811,803 07/119,193 03/14/89
4,811,805 06/925,747 03/14/89
4,811,806 06/886,379 03/14/89
4,811,807 07/091,025 03/14/89
4,811,809 07/058,423 03/14/89
4,811,814 07/009,586 03/14/89
4,811,823 07/125,892 03/14/89
4,811,825 07/026,580 03/14/89
4,811,828 07/039,024 03/14/89
4,811,829 07/046,734 03/14/89
4,811,838 07/219,315 03/14/89
4,811,843 07/156,296 03/14/89
4,811,847 07/167,360 03/14/89
4,811,850 07/153,211 03/14/89
4,811,867 06/711,136 03/14/89
4,811,873 07/050,874 03/14/89
4,811,877 07/163,234 03/14/89
4,811,878 07/009,453 03/14/89
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4,811,882 07/113,597 03/14/89
4,811,883 07/136,113 03/14/89
4,811,887 07/003,132 03/14/89
4,811,895 07/231,524 03/14/89
4,811,896 07/187,596 03/14/89
4,811,898 07/099,059 03/14/89
4,811,907 07/088,159 03/14/89
4,811,910 06/911,816 03/14/89
4,811,911 07/073,002 03/14/89
4,811,915 07/119,516 03/14/89
4,811,916 07/194,959 03/14/89
4,811,917 07/149,553 03/14/89
4,811,921 07/064,988 03/14/89
4,811,923 07/092,014 03/14/89
4,811,927 07/135,234 03/14/89
4,811,928 07/093,527 03/14/89
4,811,931 07/163,651 03/14/89
4,811,933 07/112,303 03/14/89
4,811,939 07/088,591 03/14/89
4,811,940 07/044,233 03/14/89
4,811,946 07/169,935 03/14/89
4,811,947 07/015,941 03/14/89
4,811,952 06/489,156 03/14/89
4,811,953 07/112,248 03/14/89
4,811,955 07/098,874 03/14/89
4,811,959 07/126,039 03/14/89
4,811,960 07/085,745 03/14/89
4,811,964 07/100,902 03/14/89
4,811,966 07/140,724 03/14/89
4,811,972 07/096,441 03/14/89
4,811,979 07/070,241 03/14/89
4,811,988 07/023,538 03/14/89
4,811,989 07/106,069 03/14/89
4,811,990 07/106,070 03/14/89
4,811,991 07/083,050 03/14/89
4,811,993 07/109,178 03/14/89
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