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 main-
tenance 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 ap-
plicable surcharge.
PATENTS WHICH EXPIRED ON May 5, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Application Issue
Number Number Date
4,662,030 06/797,185 05/05/87
4,662,032 06/860,183 05/05/87
4,662,033 06/754,323 05/05/87
4,662,043 06/690,320 05/05/87
4,662,044 06/851,867 05/05/87
4,662,047 06/822,002 05/05/87
4,662,050 06/799,336 05/05/87
4,662,053 06/663,151 05/05/87
4,662,054 06/797,714 05/05/87
4,662,057 06/759,441 05/05/87
4,662,058 06/668,586 05/05/87
4,662,060 06/808,916 05/05/87
4,662,061 06/706,431 05/05/87
4,662,070 06/843,098 05/05/87
4,662,082 06/726,039 05/05/87
4,662,085 06/676,383 05/05/87
4,662,086 06/798,987 05/05/87
4,662,093 06/748,346 05/05/87
4,662,094 06/746,668 05/05/87
4,662,098 06/738,557 05/05/87
4,662,100 06/872,932 05/05/87
4,662,107 06/814,809 05/05/87
4,662,124 06/610,925 05/05/87
4,662,125 06/764,223 05/05/87
4,662,138 06/773,032 05/05/87
4,662,143 06/783,356 05/05/87
4,662,144 06/740,884 05/05/87
4,662,147 06/756,960 05/05/87
4,662,148 06/727,788 05/05/87
4,662,150 06/834,581 05/05/87
4,662,155 06/798,103 05/05/87
4,662,164 06/813,569 05/05/87
4,662,172 06/890,969 05/05/87
4,662,178 06/539,775 05/05/87
4,662,191 06/800,507 05/05/87
4,662,193 06/733,977 05/05/87
4,662,194 06/781,418 05/05/87
4,662,195 06/650,038 05/05/87
4,662,199 06/744,794 05/05/87
4,662,203 06/776,045 05/05/87
4,662,204 06/818,620 05/05/87
4,662,216 06/817,714 05/05/87
4,662,223 06/794,093 05/05/87
4,662,232 06/780,468 05/05/87
4,662,233 06/794,786 05/05/87
4,662,234 06/791,598 05/05/87
4,662,235 06/747,505 05/05/87
4,662,236 06/669,494 05/05/87
4,662,237 06/611,019 05/05/87
4,662,242 06/793,888 05/05/87
4,662,249 06/795,715 05/05/87
4,662,254 06/806,951 05/05/87
4,662,258 06/733,394 05/05/87
4,662,263 06/678,512 05/05/87
4,662,276 06/697,863 05/05/87
4,662,280 06/718,084 05/05/87
4,662,287 06/830,489 05/05/87
4,662,294 06/884,479 05/05/87
4,662,295 06/846,037 05/05/87
4,662,297 06/701,099 05/05/87
4,662,312 06/812,019 05/05/87
4,662,313 06/790,686 05/05/87
4,662,315 06/801,095 05/05/87
4,662,317 06/852,169 05/05/87
4,662,325 06/756,647 05/05/87
4,662,327 06/662,270 05/05/87
4,662,329 06/868,599 05/05/87
4,662,343 06/856,178 05/05/87
4,662,353 06/709,913 05/05/87
4,662,359 06/535,390 05/05/87
4,662,365 06/556,845 05/05/87
4,662,380 06/795,071 05/05/87
4,662,381 06/755,096 05/05/87
4,662,388 06/791,579 05/05/87
4,662,390 06/820,688 05/05/87
4,662,393 06/604,954 05/05/87
4,662,400 06/666,203 05/05/87
4,662,404 06/264,061 05/05/87
4,662,417 06/741,527 05/05/87
4,662,419 06/826,612 05/05/87
4,662,420 06/503,144 05/05/87
4,662,432 06/744,991 05/05/87
4,662,446 06/820,764 05/05/87
4,662,453 06/824,021 05/05/87
4,662,454 06/757,955 05/05/87
4,662,455 06/743,300 05/05/87
4,662,456 06/824,997 05/05/87
4,662,459 06/709,885 05/05/87
4,662,477 06/784,307 05/05/87
4,662,481 06/839,487 05/05/87
4,662,491 06/731,081 05/05/87
4,662,492 06/785,170 05/05/87
4,662,493 06/677,139 05/05/87
4,662,495 06/834,648 05/05/87
4,662,505 06/767,752 05/05/87
4,662,513 06/673,351 05/05/87
4,662,525 06/735,070 05/05/87
4,662,531 06/840,221 05/05/87
4,662,536 06/805,779 05/05/87
4,662,539 06/631,642 05/05/87
4,662,540 06/580,805 05/05/87
4,662,548 06/384,840 05/05/87
4,662,552 06/750,768 05/05/87
4,662,553 06/888,289 05/05/87
4,662,557 06/728,390 05/05/87
4,662,558 06/784,939 05/05/87
4,662,564 06/727,878 05/05/87
4,662,569 06/799,254 05/05/87
4,662,578 06/809,242 05/05/87
4,662,585 06/758,758 05/05/87
4,662,597 06/781,302 05/05/87
4,662,598 06/687,826 05/05/87
4,662,620 06/826,559 05/05/87
4,662,621 06/792,958 05/05/87
4,662,622 06/631,968 05/05/87
4,662,623 06/647,176 05/05/87
4,662,631 06/696,745 05/05/87
4,662,632 06/893,469 05/05/87
4,662,638 06/758,018 05/05/87
4,662,641 06/654,184 05/05/87
4,662,644 06/719,715 05/05/87
4,662,645 06/801,607 05/05/87
4,662,649 06/835,945 05/05/87
4,662,662 06/852,537 05/05/87
4,662,682 06/787,788 05/05/87
4,662,690 06/827,822 05/05/87
4,662,691 06/816,023 05/05/87
4,662,701 06/729,824 05/05/87
4,662,710 06/551,525 05/05/87
4,662,711 06/841,041 05/05/87
4,662,724 06/734,707 05/05/87
4,662,733 06/752,068 05/05/87
4,662,751 06/779,744 05/05/87
4,662,762 06/750,469 05/05/87
4,662,766 06/348,091 05/05/87
4,662,767 06/764,452 05/05/87
4,662,768 06/585,359 05/05/87
4,662,773 06/483,234 05/05/87
4,662,781 06/588,787 05/05/87
4,662,787 06/730,782 05/05/87
4,662,793 06/864,721 05/05/87
4,662,798 06/511,400 05/05/87
4,662,800 06/630,798 05/05/87
4,662,811 06/516,680 05/05/87
4,662,822 06/812,624 05/05/87
4,662,833 06/732,049 05/05/87
4,662,851 06/753,259 05/05/87
4,662,853 06/835,509 05/05/87
4,662,881 06/820,066 05/05/87
4,662,897 06/828,757 05/05/87
4,662,905 06/683,516 05/05/87
4,662,910 06/829,952 05/05/87
4,662,911 06/725,510 05/05/87
4,662,912 06/833,169 05/05/87
4,662,914 06/712,840 05/05/87
4,662,921 06/823,164 05/05/87
4,662,922 06/706,061 05/05/87
4,662,935 06/302,914 05/05/87
4,662,937 06/737,406 05/05/87
4,662,941 06/789,691 05/05/87
4,662,963 06/762,604 05/05/87
4,662,967 06/631,483 05/05/87
4,662,970 06/726,024 05/05/87
4,662,981 06/582,476 05/05/87
4,662,995 06/748,728 05/05/87
4,662,996 06/811,542 05/05/87
4,663,007 06/791,234 05/05/87
4,663,008 06/885,738 05/05/87
4,663,011 06/802,143 05/05/87
4,663,017 06/754,668 05/05/87
4,663,028 06/770,082 05/05/87
4,663,029 06/720,879 05/05/87
4,663,033 06/831,657 05/05/87
4,663,042 06/769,109 05/05/87
4,663,045 06/674,818 05/05/87
4,663,052 06/808,173 05/05/87
4,663,053 06/373,903 05/05/87
4,663,057 06/812,053 05/05/87
4,663,058 06/540,773 05/05/87
4,663,071 06/823,909 05/05/87
4,663,074 06/719,787 05/05/87
4,663,077 06/619,092 05/05/87
4,663,090 06/774,990 05/05/87
4,663,091 06/789,844 05/05/87
4,663,094 06/830,498 05/05/87
4,663,098 06/716,711 05/05/87
4,663,104 06/703,314 05/05/87
4,663,110 06/736,962 05/05/87
4,663,111 06/790,751 05/05/87
4,663,120 06/723,221 05/05/87
4,663,121 06/787,335 05/05/87
4,663,123 06/649,506 05/05/87
4,663,129 06/696,547 05/05/87
4,663,139 06/807,672 05/05/87
4,663,148 06/829,633 05/05/87
4,663,152 06/413,188 05/05/87
4,663,154 06/625,267 05/05/87
4,663,157 06/781,084 05/05/87
4,663,160 06/475,415 05/05/87
4,663,168 06/758,892 05/05/87
4,663,176 06/839,442 05/05/87
4,663,177 06/788,420 05/05/87
4,663,184 06/790,070 05/05/87
4,663,186 06/855,263 05/05/87
4,663,196 06/797,292 05/05/87
4,663,201 06/855,991 05/05/87
4,663,204 06/692,940 05/05/87
4,663,205 06/863,186 05/05/87
4,663,207 06/752,675 05/05/87
4,663,225 06/858,974 05/05/87
4,663,236 06/722,732 05/05/87
4,663,237 06/851,031 05/05/87
4,663,244 06/805,332 05/05/87
4,663,255 06/570,645 05/05/87
4,663,267 06/794,409 05/05/87
4,663,277 06/496,541 05/05/87
4,663,282 06/729,785 05/05/87
4,663,286 06/579,494 05/05/87
4,663,291 06/628,310 05/05/87
4,663,292 06/684,599 05/05/87
4,663,295 06/501,222 05/05/87
4,663,297 06/416,666 05/05/87
4,663,304 06/780,748 05/05/87
4,663,312 06/780,218 05/05/87
4,663,321 06/741,971 05/05/87
4,663,322 06/792,236 05/05/87
4,663,327 06/733,450 05/05/87
4,663,336 06/853,788 05/05/87
4,663,337 06/853,813 05/05/87
4,663,339 06/811,397 05/05/87
4,663,342 06/749,456 05/05/87
4,663,346 06/615,522 05/05/87
4,663,351 06/768,779 05/05/87
4,663,364 06/770,207 05/05/87
4,663,366 06/586,840 05/05/87
4,663,382 06/795,518 05/05/87
4,663,384 06/793,831 05/05/87
4,663,389 06/794,014 05/05/87
4,663,392 06/864,067 05/05/87
4,663,400 06/856,256 05/05/87
4,663,403 06/652,250 05/05/87
4,663,408 06/814,362 05/05/87
4,663,410 06/762,978 05/05/87
4,663,414 06/733,690 05/05/87
4,663,415 06/759,818 05/05/87
4,663,416 06/846,540 05/05/87
4,663,418 06/815,375 05/05/87
4,663,421 06/550,813 05/05/87
4,663,422 06/791,340 05/05/87
4,663,423 06/723,367 05/05/87
4,663,425 06/807,426 05/05/87
4,663,427 06/810,934 05/05/87
4,663,428 06/772,599 05/05/87
4,663,431 06/858,988 05/05/87
4,663,433 06/812,449 05/05/87
4,663,434 06/707,450 05/05/87
4,663,438 06/715,816 05/05/87
4,663,440 06/266,642 05/05/87
4,663,443 06/729,360 05/05/87
4,663,446 06/508,483 05/05/87
4,663,447 06/693,944 05/05/87
4,663,450 06/788,660 05/05/87
4,663,451 06/645,289 05/05/87
4,663,458 06/807,006 05/05/87
4,663,475 06/674,195 05/05/87
4,663,477 06/844,895 05/05/87
4,663,489 06/859,514 05/05/87
4,663,496 06/764,949 05/05/87
4,663,499 06/845,311 05/05/87
4,663,510 06/665,292 05/05/87
4,663,513 06/801,990 05/05/87
4,663,516 06/763,148 05/05/87
4,663,518 06/793,176 05/05/87
4,663,523 06/797,353 05/05/87
4,663,524 06/823,017 05/05/87
4,663,525 06/752,547 05/05/87
4,663,527 06/728,670 05/05/87
4,663,528 06/728,705 05/05/87
4,663,530 06/842,312 05/05/87
4,663,538 06/819,208 05/05/87
4,663,541 06/713,334 05/05/87
4,663,545 06/672,539 05/05/87
4,663,546 06/831,209 05/05/87
4,663,548 06/838,821 05/05/87
4,663,554 06/738,196 05/05/87
4,663,558 06/699,920 05/05/87
4,663,574 06/802,673 05/05/87
4,663,585 06/575,506 05/05/87
4,663,594 06/650,026 05/05/87
4,663,595 06/830,976 05/05/87
4,663,598 06/863,805 05/05/87
4,663,604 06/818,843 05/05/87
4,663,614 06/762,629 05/05/87
4,663,617 06/582,202 05/05/87
4,663,618 06/564,807 05/05/87
4,663,620 06/772,835 05/05/87
4,663,622 06/728,553 05/05/87
4,663,623 06/637,439 05/05/87
4,663,626 06/786,320 05/05/87
4,663,628 06/730,978 05/05/87
4,663,636 06/676,333 05/05/87
4,663,641 06/839,931 05/05/87
4,663,642 06/831,456 05/05/87
4,663,644 06/686,601 05/05/87
4,663,648 06/684,197 05/05/87
4,663,650 06/910,357 05/05/87
4,663,651 06/910,358 05/05/87
4,663,652 06/671,783 05/05/87
4,663,653 06/800,823 05/05/87
4,663,655 06/762,627 05/05/87
4,663,664 06/547,413 05/05/87
4,663,667 06/801,689 05/05/87
4,663,668 06/873,658 05/05/87
4,663,673 06/697,100 05/05/87
4,663,676 06/775,850 05/05/87
4,663,677 06/758,304 05/05/87
4,663,681 06/688,942 05/05/87
4,663,683 06/629,546 05/05/87
4,663,686 06/573,124 05/05/87
4,663,695 06/790,533 05/05/87
4,663,696 06/823,796 05/05/87
4,663,708 06/628,176 05/05/87
4,663,711 06/623,297 05/05/87
4,663,729 06/616,047 05/05/87
4,663,738 06/678,145 05/05/87
4,663,746 06/637,061 05/05/87
4,663,756 06/770,829 05/05/87
4,663,758 06/768,861 05/05/87
4,663,764 06/847,732 05/05/87
4,663,769 06/783,077 05/05/87
4,663,773 06/697,444 05/05/87
PATENTS WHICH EXPIRED ON April 30, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,010,593 07/571,290 04/30/91
5,010,603 07/463,568 04/30/91
5,010,612 07/438,413 04/30/91
5,010,622 07/544,098 04/30/91
5,010,623 07/433,512 04/30/91
5,010,632 07/503,459 04/30/91
5,010,636 07/370,838 04/30/91
5,010,640 07/383,743 04/30/91
5,010,645 07/468,178 04/30/91
5,010,648 07/445,559 04/30/91
5,010,654 07/471,536 04/30/91
5,010,655 07/470,110 04/30/91
5,010,659 07/404,895 04/30/91
5,010,662 07/509,418 04/30/91
5,010,668 07/317,024 04/30/91
5,010,673 07/376,816 04/30/91
5,010,675 07/483,373 04/30/91
5,010,676 07/497,128 04/30/91
5,010,677 07/490,343 04/30/91
5,010,680 07/569,718 04/30/91
5,010,685 07/345,897 04/30/91
5,010,690 07/509,704 04/30/91
5,010,691 07/390,776 04/30/91
5,010,699 07/521,328 04/30/91
5,010,700 07/581,422 04/30/91
5,010,701 07/446,328 04/30/91
5,010,702 07/358,876 04/30/91
5,010,704 07/525,569 04/30/91
5,010,705 07/517,224 04/30/91
5,010,710 07/509,133 04/30/91
5,010,720 07/543,629 04/30/91
5,010,721 07/453,182 04/30/91
5,010,722 07/511,943 04/30/91
5,010,741 07/560,344 04/30/91
5,010,743 07/451,291 04/30/91
5,010,745 07/388,495 04/30/91
5,010,761 07/487,596 04/30/91
5,010,763 07/469,333 04/30/91
5,010,771 07/504,525 04/30/91
5,010,773 07/469,381 04/30/91
5,010,782 07/386,401 04/30/91
5,010,784 07/321,368 04/30/91
5,010,790 07/500,991 04/30/91
5,010,794 07/459,183 04/30/91
5,010,798 07/546,369 04/30/91
5,010,802 07/450,962 04/30/91
5,010,807 07/553,490 04/30/91
5,010,816 07/269,861 04/30/91
5,010,825 07/508,365 04/30/91
5,010,828 07/556,824 04/30/91
5,010,832 07/410,788 04/30/91
5,010,833 07/240,859 04/30/91
5,010,835 07/443,631 04/30/91
5,010,838 06/753,738 04/30/91
5,010,845 07/493,820 04/30/91
5,010,853 07/552,181 04/30/91
5,010,854 07/551,367 04/30/91
5,010,855 07/450,509 04/30/91
5,010,856 07/597,460 04/30/91
5,010,857 07/567,829 04/30/91
5,010,869 07/392,752 04/30/91
5,010,871 07/367,354 04/30/91
5,010,875 07/526,841 04/30/91
5,010,881 07/457,082 04/30/91
5,010,885 07/354,010 04/30/91
5,010,889 07/153,719 04/30/91
5,010,896 07/422,532 04/30/91
5,010,900 07/316,852 04/30/91
5,010,901 06/778,484 04/30/91
5,010,904 07/454,208 04/30/91
5,010,910 07/526,475 04/30/91
5,010,912 07/493,629 04/30/91
5,010,918 07/524,603 04/30/91
5,010,920 07/502,067 04/30/91
5,010,923 07/127,193 04/30/91
5,010,924 07/554,380 04/30/91
5,010,930 07/455,548 04/30/91
5,010,947 07/484,538 04/30/91
5,010,949 07/325,763 04/30/91
5,010,951 07/389,238 04/30/91
5,010,955 07/530,107 04/30/91
5,010,960 07/479,083 04/30/91
5,010,961 07/481,928 04/30/91
5,010,967 07/349,182 04/30/91
5,010,970 07/357,194 04/30/91
5,010,971 07/189,657 04/30/91
5,010,978 07/501,262 04/30/91
5,010,987 07/512,787 04/30/91
5,010,990 07/432,214 04/30/91
5,010,992 07/460,409 04/30/91
5,010,997 07/243,864 04/30/91
5,011,004 07/377,422 04/30/91
5,011,005 07/383,368 04/30/91
5,011,008 07/464,521 04/30/91
5,011,011 07/559,115 04/30/91
5,011,012 07/509,264 04/30/91
5,011,017 07/479,142 04/30/91
5,011,022 07/271,999 04/30/91
5,011,023 07/449,122 04/30/91
5,011,024 07/425,673 04/30/91
5,011,038 07/498,430 04/30/91
5,011,040 07/554,188 04/30/91
5,011,044 07/499,281 04/30/91
5,011,050 07/606,764 04/30/91
5,011,064 07/501,971 04/30/91
5,011,069 07/545,340 04/30/91
5,011,081 07/393,668 04/30/91
5,011,084 07/404,844 04/30/91
5,011,086 07/438,495 04/30/91
5,011,087 07/522,637 04/30/91
5,011,093 07/493,252 04/30/91
5,011,097 07/579,921 04/30/91
5,011,104 07/519,915 04/30/91
5,011,114 07/475,586 04/30/91
5,011,123 07/337,227 04/30/91
5,011,131 07/347,150 04/30/91
5,011,138 07/468,224 04/30/91
5,011,140 07/586,428 04/30/91
5,011,142 07/438,097 04/30/91
5,011,148 07/507,660 04/30/91
5,011,151 07/403,494 04/30/91
5,011,152 07/415,855 04/30/91
5,011,154 07/598,837 04/30/91
5,011,160 07/420,012 04/30/91
5,011,163 07/410,072 04/30/91
5,011,166 07/509,018 04/30/91
5,011,167 07/491,729 04/30/91
5,011,168 07/408,549 04/30/91
5,011,169 07/361,643 04/30/91
5,011,171 07/512,168 04/30/91
5,011,175 07/566,266 04/30/91
5,011,179 07/513,023 04/30/91
5,011,184 07/413,781 04/30/91
5,011,189 07/388,319 04/30/91
5,011,201 07/216,660 04/30/91
5,011,207 07/439,776 04/30/91
5,011,223 07/399,809 04/30/91
5,011,229 07/475,063 04/30/91
5,011,234 07/367,409 04/30/91
5,011,238 07/497,954 04/30/91
5,011,243 06/907,995 04/30/91
5,011,246 07/544,794 04/30/91
5,011,255 07/508,884 04/30/91
5,011,258 07/570,825 04/30/91
5,011,266 07/254,774 04/30/91
5,011,275 07/549,528 04/30/91
5,011,278 07/342,982 04/30/91
5,011,292 07/561,177 04/30/91
5,011,293 07/420,810 04/30/91
5,011,294 07/584,344 04/30/91
5,011,298 07/534,797 04/30/91
5,011,303 07/542,033 04/30/91
5,011,305 07/335,786 04/30/91
5,011,308 07/349,832 04/30/91
5,011,309 07/510,640 04/30/91
5,011,315 07/373,701 04/30/91
5,011,321 07/583,822 04/30/91
5,011,326 07/516,276 04/30/91
5,011,334 07/370,271 04/30/91
5,011,335 07/299,991 04/30/91
5,011,338 07/507,615 04/30/91
5,011,352 07/404,697 04/30/91
5,011,355 07/460,857 04/30/91
5,011,367 07/467,566 04/30/91
5,011,375 07/476,564 04/30/91
5,011,380 07/300,361 04/30/91
5,011,382 07/301,551 04/30/91
5,011,391 07/317,717 04/30/91
5,011,394 07/329,578 04/30/91
5,011,396 07/502,748 04/30/91
5,011,403 07/311,913 04/30/91
5,011,412 07/556,025 04/30/91
5,011,422 07/567,126 04/30/91
5,011,428 07/507,808 04/30/91
5,011,429 07/501,702 04/30/91
5,011,439 07/466,810 04/30/91
5,011,441 07/582,135 04/30/91
5,011,446 07/432,361 04/30/91
5,011,448 07/445,749 04/30/91
5,011,460 07/491,218 04/30/91
5,011,466 07/410,697 04/30/91
5,011,470 07/574,114 04/30/91
5,011,471 07/399,549 04/30/91
5,011,485 07/385,881 04/30/91
5,011,493 07/105,460 04/30/91
5,011,506 07/414,861 04/30/91
5,011,514 07/378,123 04/30/91
5,011,521 07/471,252 04/30/91
5,011,522 07/402,342 04/30/91
5,011,527 07/427,678 04/30/91
5,011,528 07/535,164 04/30/91
5,011,531 07/456,236 04/30/91
5,011,533 07/380,594 04/30/91
5,011,537 07/266,528 04/30/91
5,011,542 07/332,274 04/30/91
5,011,554 07/457,009 04/30/91
5,011,559 07/210,398 04/30/91
5,011,560 07/234,159 04/30/91
5,011,568 07/535,595 04/30/91
5,011,569 07/469,879 04/30/91
5,011,570 07/435,945 04/30/91
5,011,575 07/537,643 04/30/91
5,011,577 07/362,938 04/30/91
5,011,580 07/543,317 04/30/91
5,011,585 07/376,711 04/30/91
5,011,594 07/285,387 04/30/91
5,011,604 07/476,182 04/30/91
5,011,605 07/426,077 04/30/91
5,011,609 07/357,004 04/30/91
5,011,610 07/473,794 04/30/91
5,011,615 07/434,353 04/30/91
5,011,621 07/532,766 04/30/91
5,011,622 07/418,048 04/30/91
5,011,626 07/206,123 04/30/91
5,011,639 07/453,038 04/30/91
5,011,646 07/314,894 04/30/91
5,011,650 07/265,066 04/30/91
5,011,652 07/098,530 04/30/91
5,011,655 07/455,498 04/30/91
5,011,659 07/497,584 04/30/91
5,011,660 07/276,645 04/30/91
5,011,663 07/567,688 04/30/91
5,011,665 07/487,926 04/30/91
5,011,679 07/358,149 04/30/91
5,011,680 07/208,792 04/30/91
5,011,681 07/419,895 04/30/91
5,011,682 07/510,651 04/30/91
5,011,686 07/437,769 04/30/91
5,011,689 07/449,471 04/30/91
5,011,692 06/946,158 04/30/91
5,011,693 07/425,874 04/30/91
5,011,696 07/491,794 04/30/91
5,011,697 07/227,628 04/30/91
5,011,698 07/608,785 04/30/91
5,011,700 07/392,779 04/30/91
5,011,711 07/379,172 04/30/91
5,011,712 07/324,071 04/30/91
5,011,713 07/334,521 04/30/91
5,011,722 07/326,380 04/30/91
5,011,724 07/360,512 04/30/91
5,011,725 07/319,625 04/30/91
5,011,747 07/518,286 04/30/91
5,011,752 07/400,712 04/30/91
5,011,754 07/513,776 04/30/91
5,011,757 07/436,875 04/30/91
5,011,759 07/391,734 04/30/91
5,011,761 07/316,365 04/30/91
5,011,777 07/546,248 04/30/91
5,011,778 07/355,701 04/30/91
5,011,779 07/418,784 04/30/91
5,011,781 07/387,506 04/30/91
5,011,785 07/605,623 04/30/91
5,011,790 07/317,946 04/30/91
5,011,798 07/413,601 04/30/91
5,011,801 07/444,816 04/30/91
5,011,808 07/449,771 04/30/91
5,011,809 07/471,544 04/30/91
5,011,815 07/433,785 04/30/91
5,011,819 07/201,706 04/30/91
5,011,822 07/296,267 04/30/91
5,011,831 07/267,938 04/30/91
5,011,832 07/544,281 04/30/91
5,011,839 07/444,953 04/30/91
5,011,842 07/561,833 04/30/91
5,011,843 07/531,729 04/30/91
5,011,844 07/399,673 04/30/91
5,011,850 06/915,435 04/30/91
5,011,854 07/281,050 04/30/91
5,011,858 07/099,363 04/30/91
5,011,862 07/362,312 04/30/91
5,011,863 07/553,815 04/30/91
5,011,864 07/533,243 04/30/91
5,011,872 07/327,067 04/30/91
5,011,874 07/419,070 04/30/91
5,011,881 07/465,705 04/30/91
5,011,882 07/197,447 04/30/91
5,011,899 07/394,710 04/30/91
5,011,903 07/145,635 04/30/91
5,011,904 07/439,211 04/30/91
5,011,906 07/501,697 04/30/91
5,011,916 07/461,398 04/30/91
5,011,920 07/348,688 04/30/91
5,011,925 07/402,623 04/30/91
5,011,932 06/934,575 04/30/91
5,011,937 07/270,709 04/30/91
5,011,941 07/582,289 04/30/91
5,011,944 07/356,825 04/30/91
5,011,949 07/382,771 04/30/91
5,011,950 07/151,594 04/30/91
5,011,951 07/316,282 04/30/91
5,011,953 07/433,118 04/30/91
5,011,954 07/401,668 04/30/91
5,011,955 07/419,554 04/30/91
5,011,956 07/376,400 04/30/91
5,011,957 07/491,963 04/30/91
5,011,959 06/932,176 04/30/91
5,011,962 07/530,380 04/30/91
5,011,964 07/505,695 04/30/91
5,011,970 06/936,930 04/30/91
5,011,972 07/398,991 04/30/91
5,011,973 07/352,610 04/30/91
5,011,977 07/440,629 04/30/91
5,011,981 07/201,964 04/30/91
5,011,985 07/522,607 04/30/91
5,011,986 07/522,620 04/30/91
5,011,992 07/397,650 04/30/91
5,011,995 07/221,403 04/30/91
5,012,000 07/428,799 04/30/91
5,012,001 07/516,842 04/30/91
5,012,003 07/264,286 04/30/91
5,012,007 07/417,376 04/30/91
5,012,010 07/407,107 04/30/91
5,012,011 07/424,472 04/30/91
5,012,013 07/516,133 04/30/91
5,012,014 07/515,029 04/30/91
5,012,015 07/319,718 04/30/91
5,012,025 07/397,775 04/30/91
5,012,026 07/310,136 04/30/91
5,012,027 07/435,150 04/30/91
5,012,030 07/418,855 04/30/91
5,012,031 07/320,262 04/30/91
5,012,039 07/509,694 04/30/91
5,012,044 07/399,484 04/30/91
5,012,046 07/370,264 04/30/91
5,012,047 07/481,726 04/30/91
5,012,049 07/420,352 04/30/91
5,012,068 07/436,729 04/30/91
5,012,069 07/415,233 04/30/91
5,012,070 07/506,817 04/30/91
5,012,078 07/372,738 04/30/91
5,012,080 07/511,107 04/30/91
5,012,084 07/470,141 04/30/91
5,012,086 07/416,967 04/30/91
5,012,087 07/337,788 04/30/91
5,012,089 07/426,304 04/30/91
5,012,096 07/525,055 04/30/91
5,012,099 07/519,351 04/30/91
5,012,113 07/345,069 04/30/91
5,012,116 07/422,102 04/30/91
5,012,119 07/353,963 04/30/91
5,012,121 07/497,464 04/30/91
5,012,126 07/533,206 04/30/91
5,012,128 07/469,116 04/30/91
5,012,131 07/286,597 04/30/91
5,012,133 07/479,502 04/30/91
5,012,136 07/445,529 04/30/91
5,012,137 07/380,593 04/30/91
5,012,139 07/428,671 04/30/91
5,012,144 07/371,936 04/30/91
5,012,147 07/373,367 04/30/91
5,012,152 07/461,887 04/30/91
5,012,160 07/337,419 04/30/91
5,012,162 07/508,450 04/30/91
5,012,164 07/520,752 04/30/91
5,012,170 07/470,826 04/30/91
5,012,173 07/334,275 04/30/91
5,012,174 07/209,251 04/30/91
5,012,187 07/431,344 04/30/91
5,012,190 07/260,107 04/30/91
5,012,194 07/402,732 04/30/91
5,012,200 07/424,665 04/30/91
5,012,205 07/547,258 04/30/91
5,012,210 07/446,022 04/30/91
5,012,213 07/452,488 04/30/91
5,012,216 07/484,143 04/30/91
5,012,225 07/451,294 04/30/91
5,012,226 07/483,635 04/30/91
5,012,238 07/402,218 04/30/91
5,012,242 07/491,992 04/30/91
5,012,246 07/472,974 04/30/91
5,012,250 07/516,374 04/30/91
5,012,258 07/284,542 04/30/91
5,012,259 07/300,339 04/30/91
5,012,261 07/327,256 04/30/91
5,012,275 07/495,193 04/30/91
5,012,277 07/453,397 04/30/91
5,012,279 07/365,617 04/30/91
5,012,287 07/484,297 04/30/91
5,012,288 07/277,641 04/30/91
5,012,292 07/249,372 04/30/91
5,012,294 07/429,418 04/30/91
5,012,307 07/494,060 04/30/91
5,012,310 07/566,315 04/30/91
5,012,313 07/291,463 04/30/91
5,012,321 06/634,435 04/30/91
5,012,324 07/328,154 04/30/91
5,012,325 07/513,655 04/30/91
5,012,331 07/370,915 04/30/91
5,012,340 07/418,136 04/30/91
5,012,347 07/399,524 04/30/91
5,012,350 07/457,574 04/30/91
5,012,354 07/340,789 04/30/91
5,012,357 07/325,604 04/30/91
5,012,372 07/259,824 04/30/91
5,012,375 07/401,762 04/30/91
5,012,376 07/410,288 04/30/91
5,012,381 07/406,627 04/30/91
5,012,383 07/561,234 04/30/91
5,012,385 07/519,597 04/30/91
5,012,390 07/295,131 04/30/91
5,012,391 07/395,382 04/30/91
5,012,395 07/498,991 04/30/91
5,012,396 07/410,258 04/30/91
5,012,397 07/567,800 04/30/91
5,012,402 07/285,508 04/30/91
5,012,406 07/183,674 04/30/91
5,012,409 07/166,334 04/30/91
5,012,411 06/757,965 04/30/91
5,012,423 07/338,624 04/30/91
5,012,433 07/364,524 04/30/91
5,012,435 07/273,295 04/30/91
5,012,436 07/417,416 04/30/91
5,012,440 07/318,027 04/30/91
5,012,442 07/286,196 04/30/91
5,012,449 07/374,265 04/30/91
5,012,457 07/405,749 04/30/91
5,012,458 07/402,653 04/30/91
5,012,460 06/739,514 04/30/91
5,012,464 07/320,778 04/30/91
5,012,469 07/226,210 04/30/91
5,012,479 07/388,148 04/30/91
5,012,489 07/267,963 04/30/91
5,012,496 07/433,014 04/30/91
5,012,502 07/539,132 04/30/91
5,012,503 07/233,660 04/30/91
5,012,507 07/318,840 04/30/91
5,012,516 07/438,472 04/30/91
5,012,521 07/291,619 04/30/91
5,012,524 07/315,645 04/30/91
PATENTS WHICH EXPIRED ON May 2, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,410,755 08/167,598 05/02/95
5,410,759 08/278,064 05/02/95
5,410,760 08/248,174 05/02/95
5,410,766 08/240,163 05/02/95
5,410,768 08/006,428 05/02/95
5,410,769 08/134,143 05/02/95
5,410,771 08/214,437 05/02/95
5,410,773 08/226,833 05/02/95
5,410,775 08/095,605 05/02/95
5,410,779 07/952,506 05/02/95
5,410,784 08/021,164 05/02/95
5,410,787 08/205,722 05/02/95
5,410,792 08/204,634 05/02/95
5,410,798 08/178,042 05/02/95
5,410,804 08/117,154 05/02/95
5,410,808 08/021,881 05/02/95
5,410,809 08/196,002 05/02/95
5,410,814 08/123,158 05/02/95
5,410,822 08/316,389 05/02/95
5,410,823 08/187,095 05/02/95
5,410,824 08/161,166 05/02/95
5,410,828 08/006,130 05/02/95
5,410,832 08/199,005 05/02/95
5,410,834 08/102,583 05/02/95
5,410,835 08/172,924 05/02/95
5,410,836 08/181,301 05/02/95
5,410,845 08/016,709 05/02/95
5,410,850 07/900,126 05/02/95
5,410,853 07/348,491 05/02/95
5,410,854 08/149,462 05/02/95
5,410,855 08/090,167 05/02/95
5,410,859 08/158,703 05/02/95
5,410,863 08/184,035 05/02/95
5,410,864 08/134,418 05/02/95
5,410,879 08/071,635 05/02/95
5,410,881 08/185,267 05/02/95
5,410,891 08/190,076 05/02/95
5,410,892 08/049,835 05/02/95
5,410,893 08/142,566 05/02/95
5,410,896 08/139,769 05/02/95
5,410,897 08/091,248 05/02/95
5,410,898 08/135,773 05/02/95
5,410,903 08/179,515 05/02/95
5,410,905 08/105,053 05/02/95
5,410,911 08/094,190 05/02/95
5,410,915 08/045,726 05/02/95
5,410,923 08/117,908 05/02/95
5,410,924 08/174,986 05/02/95
5,410,925 08/118,621 05/02/95
5,410,939 08/210,424 05/02/95
5,410,940 07/961,693 05/02/95
5,410,942 07/987,289 05/02/95
5,410,944 08/070,774 05/02/95
5,410,945 08/108,818 05/02/95
5,410,946 07/964,014 05/02/95
5,410,948 08/215,105 05/02/95
5,410,950 08/067,668 05/02/95
5,410,958 08/086,174 05/02/95
5,410,962 07/977,225 05/02/95
5,410,965 07/985,030 05/02/95
5,410,967 08/069,815 05/02/95
5,410,971 07/961,226 05/02/95
5,410,974 08/161,606 05/02/95
5,410,977 08/225,466 05/02/95
5,410,980 08/128,680 05/02/95
5,410,981 08/190,854 05/02/95
5,410,983 07/693,319 05/02/95
5,410,986 08/269,126 05/02/95
5,410,990 08/224,723 05/02/95
5,411,002 07/662,568 05/02/95
5,411,005 08/078,004 05/02/95
5,411,008 08/175,113 05/02/95
5,411,009 08/192,058 05/02/95
5,411,011 08/199,743 05/02/95
5,411,012 08/132,033 05/02/95
5,411,015 08/116,782 05/02/95
5,411,017 08/169,584 05/02/95
5,411,018 08/249,468 05/02/95
5,411,032 08/079,185 05/02/95
5,411,035 08/162,427 05/02/95
5,411,040 08/083,090 05/02/95
5,411,041 08/156,765 05/02/95
5,411,045 08/152,500 05/02/95
5,411,050 08/142,795 05/02/95
5,411,056 08/164,446 05/02/95
5,411,060 07/878,660 05/02/95
5,411,064 08/179,917 05/02/95
5,411,066 08/143,016 05/02/95
5,411,070 08/013,250 05/02/95
5,411,075 08/114,782 05/02/95
5,411,080 08/175,019 05/02/95
5,411,091 08/164,270 05/02/95
5,411,093 08/164,860 05/02/95
5,411,095 08/038,234 05/02/95
5,411,101 08/096,565 05/02/95
5,411,105 08/260,365 05/02/95
5,411,109 08/078,923 05/02/95
5,411,115 08/206,707 05/02/95
5,411,118 08/041,145 05/02/95
5,411,125 08/227,245 05/02/95
5,411,131 08/259,693 05/02/95
5,411,134 08/175,704 05/02/95
5,411,136 08/230,601 05/02/95
5,411,138 08/196,524 05/02/95
5,411,139 08/195,816 05/02/95
5,411,140 08/193,216 05/02/95
5,411,143 08/164,471 05/02/95
5,411,146 07/896,027 05/02/95
5,411,153 08/140,302 05/02/95
5,411,154 08/119,486 05/02/95
5,411,155 08/172,928 05/02/95
5,411,156 08/209,596 05/02/95
5,411,173 08/168,143 05/02/95
5,411,183 08/164,352 05/02/95
5,411,186 08/076,132 05/02/95
5,411,190 07/940,032 05/02/95
5,411,191 08/251,123 05/02/95
5,411,192 08/084,463 05/02/95
5,411,193 08/116,218 05/02/95
5,411,194 08/007,979 05/02/95
5,411,206 08/246,846 05/02/95
5,411,207 08/095,307 05/02/95
5,411,210 07/894,089 05/02/95
5,411,211 08/193,185 05/02/95
5,411,224 08/215,316 05/02/95
5,411,236 07/805,686 05/02/95
5,411,237 08/089,046 05/02/95
5,411,244 08/205,642 05/02/95
5,411,254 08/319,315 05/02/95
5,411,258 08/214,205 05/02/95
5,411,261 08/260,540 05/02/95
5,411,262 08/163,923 05/02/95
5,411,263 08/246,096 05/02/95
5,411,264 08/181,464 05/02/95
5,411,266 08/243,922 05/02/95
5,411,267 08/101,969 05/02/95
5,411,271 08/176,237 05/02/95
5,411,279 08/169,143 05/02/95
5,411,282 08/206,866 05/02/95
5,411,283 08/050,149 05/02/95
5,411,284 08/209,216 05/02/95
5,411,285 08/156,717 05/02/95
5,411,286 08/033,243 05/02/95
5,411,290 08/026,128 05/02/95
5,411,294 07/961,472 05/02/95
5,411,295 07/963,092 05/02/95
5,411,299 07/672,923 05/02/95
5,411,309 08/129,142 05/02/95
5,411,312 08/172,920 05/02/95
5,411,313 08/142,989 05/02/95
5,411,315 08/043,518 05/02/95
5,411,318 08/110,846 05/02/95
5,411,321 08/057,375 05/02/95
5,411,330 08/043,763 05/02/95
5,411,347 08/209,595 05/02/95
5,411,355 08/095,572 05/02/95
5,411,356 08/124,589 05/02/95
5,411,359 07/965,361 05/02/95
5,411,361 08/136,860 05/02/95
5,411,381 08/207,073 05/02/95
5,411,386 08/148,569 05/02/95
5,411,389 08/165,122 05/02/95
5,411,390 08/152,858 05/02/95
5,411,396 08/188,086 05/02/95
5,411,400 08/209,353 05/02/95
5,411,401 08/207,470 05/02/95
5,411,415 08/230,635 05/02/95
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