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
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 ON December 22, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Application Issue
Number Number Date
4,713,852 06/842,817 12/22/87
4,713,855 07/046,237 12/22/87
4,713,871 06/803,238 12/22/87
4,713,873 06/860,958 12/22/87
4,713,874 06/880,463 12/22/87
4,713,879 06/843,329 12/22/87
4,713,894 06/638,416 12/22/87
4,713,904 06/874,559 12/22/87
4,713,909 06/363,292 12/22/87
4,713,929 07/023,713 12/22/87
4,713,931 06/677,487 12/22/87
4,713,933 06/867,792 12/22/87
4,713,934 06/438,636 12/22/87
4,713,938 06/856,987 12/22/87
4,713,946 06/829,495 12/22/87
4,713,948 07/029,195 12/22/87
4,713,949 06/783,633 12/22/87
4,713,953 06/806,894 12/22/87
4,713,954 06/861,937 12/22/87
4,713,962 06/802,255 12/22/87
4,713,963 06/879,022 12/22/87
4,713,968 06/865,999 12/22/87
4,713,969 07/037,129 12/22/87
4,713,970 06/838,929 12/22/87
4,713,974 06/853,493 12/22/87
4,713,986 06/898,034 12/22/87
4,713,988 06/820,156 12/22/87
4,713,989 06/779,252 12/22/87
4,714,004 06/779,204 12/22/87
4,714,015 06/878,022 12/22/87
4,714,021 06/864,167 12/22/87
4,714,028 06/843,336 12/22/87
4,714,037 06/292,071 12/22/87
4,714,041 06/849,274 12/22/87
4,714,042 06/923,042 12/22/87
4,714,044 06/881,302 12/22/87
4,714,047 06/853,761 12/22/87
4,714,049 06/916,689 12/22/87
4,714,053 06/888,352 12/22/87
4,714,060 06/825,859 12/22/87
4,714,062 06/870,294 12/22/87
4,714,067 06/946,189 12/22/87
4,714,069 06/871,062 12/22/87
4,714,082 06/790,484 12/22/87
4,714,089 06/901,369 12/22/87
4,714,090 06/916,357 12/22/87
4,714,096 06/804,271 12/22/87
4,714,102 07/001,021 12/22/87
4,714,119 06/791,246 12/22/87
4,714,122 06/922,064 12/22/87
4,714,133 06/744,537 12/22/87
4,714,136 07/046,645 12/22/87
4,714,145 06/922,361 12/22/87
4,714,146 06/763,006 12/22/87
4,714,150 06/772,361 12/22/87
4,714,153 06/616,403 12/22/87
4,714,155 06/804,258 12/22/87
4,714,167 06/838,116 12/22/87
4,714,173 06/861,893 12/22/87
4,714,174 06/910,504 12/22/87
4,714,175 06/936,588 12/22/87
4,714,177 06/882,667 12/22/87
4,714,194 06/754,366 12/22/87
4,714,200 06/916,364 12/22/87
4,714,201 06/923,110 12/22/87
4,714,217 06/833,908 12/22/87
4,714,218 06/886,411 12/22/87
4,714,232 06/824,562 12/22/87
4,714,237 06/863,598 12/22/87
4,714,242 06/842,622 12/22/87
4,714,258 06/823,428 12/22/87
4,714,259 07/038,956 12/22/87
4,714,276 06/911,411 12/22/87
4,714,284 06/603,297 12/22/87
4,714,285 06/692,785 12/22/87
4,714,291 07/028,403 12/22/87
4,714,292 06/942,064 12/22/87
4,714,294 06/876,489 12/22/87
4,714,295 06/829,499 12/22/87
4,714,296 06/800,113 12/22/87
4,714,299 06/605,790 12/22/87
4,714,302 06/291,967 12/22/87
4,714,306 07/011,601 12/22/87
4,714,309 06/741,540 12/22/87
4,714,335 06/881,307 12/22/87
4,714,338 06/876,606 12/22/87
4,714,343 06/848,229 12/22/87
4,714,345 06/749,882 12/22/87
4,714,347 06/640,345 12/22/87
4,714,352 06/882,462 12/22/87
4,714,356 06/853,531 12/22/87
4,714,359 07/018,623 12/22/87
4,714,371 06/864,872 12/22/87
4,714,374 06/882,136 12/22/87
4,714,377 06/923,966 12/22/87
4,714,380 06/850,547 12/22/87
4,714,385 06/833,928 12/22/87
4,714,387 06/796,520 12/22/87
4,714,390 06/885,068 12/22/87
4,714,391 06/887,324 12/22/87
4,714,396 06/862,083 12/22/87
4,714,397 06/801,006 12/22/87
4,714,399 06/859,063 12/22/87
4,714,400 06/851,509 12/22/87
4,714,401 06/792,196 12/22/87
4,714,406 07/065,139 12/22/87
4,714,412 06/941,867 12/22/87
4,714,430 06/842,948 12/22/87
4,714,433 07/005,607 12/22/87
4,714,434 06/826,584 12/22/87
4,714,439 06/881,753 12/22/87
4,714,450 06/931,002 12/22/87
4,714,463 06/798,331 12/22/87
4,714,466 06/816,860 12/22/87
4,714,477 06/894,589 12/22/87
4,714,478 06/820,549 12/22/87
4,714,489 07/000,616 12/22/87
4,714,492 06/509,981 12/22/87
4,714,495 06/932,570 12/22/87
4,714,497 06/577,401 12/22/87
4,714,502 06/886,675 12/22/87
4,714,504 06/917,716 12/22/87
4,714,515 06/910,024 12/22/87
4,714,521 06/882,978 12/22/87
4,714,522 06/888,363 12/22/87
4,714,526 07/026,603 12/22/87
4,714,527 06/860,860 12/22/87
4,714,536 07/032,916 12/22/87
4,714,537 06/873,661 12/22/87
4,714,546 06/827,817 12/22/87
4,714,550 06/779,275 12/22/87
4,714,555 07/024,877 12/22/87
4,714,558 06/847,241 12/22/87
4,714,563 06/888,305 12/22/87
4,714,566 06/610,465 12/22/87
4,714,569 06/888,196 12/22/87
4,714,572 06/911,699 12/22/87
4,714,574 06/468,058 12/22/87
4,714,576 06/869,586 12/22/87
4,714,578 06/654,796 12/22/87
4,714,585 06/712,056 12/22/87
4,714,586 06/823,718 12/22/87
4,714,588 06/683,851 12/22/87
4,714,594 06/748,443 12/22/87
4,714,595 06/686,948 12/22/87
4,714,600 06/685,509 12/22/87
4,714,601 06/606,940 12/22/87
4,714,610 06/814,105 12/22/87
4,714,620 06/941,257 12/22/87
4,714,623 06/829,047 12/22/87
4,714,624 06/831,677 12/22/87
4,714,625 06/764,345 12/22/87
4,714,628 07/013,699 12/22/87
4,714,630 06/848,676 12/22/87
4,714,634 06/711,801 12/22/87
4,714,639 06/841,829 12/22/87
4,714,646 07/060,962 12/22/87
4,714,652 06/898,817 12/22/87
4,714,653 07/011,359 12/22/87
4,714,660 06/812,455 12/22/87
4,714,661 06/883,217 12/22/87
4,714,670 06/871,833 12/22/87
4,714,671 06/855,701 12/22/87
4,714,672 06/618,936 12/22/87
4,714,673 06/648,883 12/22/87
4,714,681 06/621,394 12/22/87
4,714,683 06/694,712 12/22/87
4,714,684 06/844,324 12/22/87
4,714,706 06/868,716 12/22/87
4,714,719 06/927,287 12/22/87
4,714,729 06/822,723 12/22/87
4,714,731 07/025,769 12/22/87
4,714,733 07/034,640 12/22/87
4,714,746 06/918,771 12/22/87
4,714,752 06/890,916 12/22/87
4,714,753 06/936,529 12/22/87
4,714,755 06/913,372 12/22/87
4,714,758 06/845,441 12/22/87
4,714,765 06/810,594 12/22/87
4,714,768 06/644,777 12/22/87
4,714,776 06/757,686 12/22/87
4,714,778 06/837,461 12/22/87
4,714,784 06/886,035 12/22/87
4,714,786 07/007,586 12/22/87
4,714,805 06/896,718 12/22/87
4,714,808 06/902,858 12/22/87
4,714,815 06/926,933 12/22/87
4,714,816 07/062,205 12/22/87
4,714,825 06/805,425 12/22/87
4,714,826 06/897,673 12/22/87
4,714,827 06/818,606 12/22/87
4,714,828 06/839,719 12/22/87
4,714,831 06/859,102 12/22/87
4,714,849 06/754,131 12/22/87
4,714,851 06/866,034 12/22/87
4,714,862 06/787,394 12/22/87
4,714,863 06/766,003 12/22/87
4,714,864 06/866,348 12/22/87
4,714,869 06/882,393 12/22/87
4,714,872 06/884,119 12/22/87
4,714,874 06/797,214 12/22/87
4,714,889 06/761,123 12/22/87
4,714,900 06/933,511 12/22/87
4,714,909 06/738,639 12/22/87
4,714,913 06/755,473 12/22/87
4,714,917 06/917,765 12/22/87
4,714,928 06/835,634 12/22/87
4,714,931 06/940,094 12/22/87
4,714,933 06/916,786 12/22/87
4,714,948 06/839,826 12/22/87
4,714,949 06/907,130 12/22/87
4,714,953 06/861,799 12/22/87
4,714,954 06/826,223 12/22/87
4,714,978 06/853,251 12/22/87
4,714,979 06/943,478 12/22/87
4,714,980 06/909,516 12/22/87
4,714,982 06/843,472 12/22/87
4,714,984 06/903,153 12/22/87
4,714,986 06/863,962 12/22/87
4,714,988 06/698,791 12/22/87
4,714,993 06/912,165 12/22/87
4,714,994 06/728,724 12/22/87
4,714,998 06/700,443 12/22/87
4,715,002 06/922,809 12/22/87
4,715,014 06/793,880 12/22/87
4,715,022 06/885,523 12/22/87
4,715,028 06/874,118 12/22/87
4,715,030 06/892,618 12/22/87
4,715,032 06/692,029 12/22/87
4,715,038 06/736,033 12/22/87
4,715,040 06/722,078 12/22/87
4,715,059 06/795,967 12/22/87
4,715,062 06/714,721 12/22/87
4,715,065 06/601,839 12/22/87
PATENTS WHICH EXPIRED ON December 17, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,072,453 07/490,294 12/17/91
5,072,456 07/568,826 12/17/91
5,072,459 07/450,276 12/17/91
5,072,464 07/118,749 12/17/91
5,072,465 07/553,742 12/17/91
5,072,470 07/647,178 12/17/91
5,072,471 07/623,117 12/17/91
5,072,474 07/551,861 12/17/91
5,072,486 07/510,169 12/17/91
5,072,496 07/588,010 12/17/91
5,072,497 07/515,818 12/17/91
5,072,514 07/576,815 12/17/91
5,072,523 07/633,322 12/17/91
5,072,533 07/381,657 12/17/91
5,072,539 07/644,943 12/17/91
5,072,541 06/922,164 12/17/91
5,072,545 07/545,146 12/17/91
5,072,554 07/515,398 12/17/91
5,072,559 07/546,199 12/17/91
5,072,565 07/452,722 12/17/91
5,072,571 07/484,509 12/17/91
5,072,592 07/543,479 12/17/91
5,072,595 07/584,696 12/17/91
5,072,598 07/565,786 12/17/91
5,072,600 07/622,006 12/17/91
5,072,610 07/679,124 12/17/91
5,072,620 07/416,392 12/17/91
5,072,624 07/570,675 12/17/91
5,072,625 07/514,191 12/17/91
5,072,634 07/597,348 12/17/91
5,072,642 07/556,422 12/17/91
5,072,643 07/680,041 12/17/91
5,072,644 07/557,381 12/17/91
5,072,646 07/599,678 12/17/91
5,072,649 07/638,232 12/17/91
5,072,650 07/562,478 12/17/91
5,072,652 07/614,709 12/17/91
5,072,657 07/485,316 12/17/91
5,072,659 07/552,736 12/17/91
5,072,666 07/658,912 12/17/91
5,072,667 07/605,006 12/17/91
5,072,670 07/575,067 12/17/91
5,072,679 07/530,057 12/17/91
5,072,690 07/686,640 12/17/91
5,072,694 07/609,740 12/17/91
5,072,695 07/526,642 12/17/91
5,072,698 07/529,572 12/17/91
5,072,708 07/671,613 12/17/91
5,072,716 07/560,353 12/17/91
5,072,718 07/554,661 12/17/91
5,072,719 07/601,352 12/17/91
5,072,721 07/513,611 12/17/91
5,072,726 07/613,981 12/17/91
5,072,727 07/522,500 12/17/91
5,072,730 07/538,154 12/17/91
5,072,734 07/457,775 12/17/91
5,072,736 07/467,780 12/17/91
5,072,740 07/526,903 12/17/91
5,072,748 07/681,562 12/17/91
5,072,751 07/677,634 12/17/91
5,072,759 07/468,082 12/17/91
5,072,763 07/494,177 12/17/91
5,072,765 07/605,547 12/17/91
5,072,772 07/398,661 12/17/91
5,072,774 07/621,030 12/17/91
5,072,784 07/501,320 12/17/91
5,072,787 07/573,674 12/17/91
5,072,790 07/560,051 12/17/91
5,072,792 07/337,469 12/17/91
5,072,801 07/454,929 12/17/91
5,072,807 07/534,057 12/17/91
5,072,810 07/625,811 12/17/91
5,072,813 07/480,619 12/17/91
5,072,817 07/542,040 12/17/91
5,072,821 07/624,006 12/17/91
5,072,825 07/541,697 12/17/91
5,072,836 07/637,778 12/17/91
5,072,839 07/619,136 12/17/91
5,072,849 07/574,651 12/17/91
5,072,851 07/527,269 12/17/91
5,072,852 07/584,169 12/17/91
5,072,863 07/496,937 12/17/91
5,072,865 07/500,580 12/17/91
5,072,872 07/480,604 12/17/91
5,072,879 07/348,960 12/17/91
5,072,883 07/504,321 12/17/91
5,072,885 07/508,631 12/17/91
5,072,896 07/522,808 12/17/91
5,072,897 07/567,756 12/17/91
5,072,898 07/576,571 12/17/91
5,072,901 07/540,705 12/17/91
5,072,910 07/535,580 12/17/91
5,072,911 07/547,873 12/17/91
5,072,913 07/684,112 12/17/91
5,072,914 07/549,977 12/17/91
5,072,917 07/197,321 12/17/91
5,072,918 07/355,475 12/17/91
5,072,919 07/551,132 12/17/91
5,072,927 07/631,742 12/17/91
5,072,929 07/537,898 12/17/91
5,072,931 07/662,424 12/17/91
5,072,933 07/497,952 12/17/91
5,072,943 07/624,224 12/17/91
5,072,949 07/642,696 12/17/91
5,072,952 07/595,627 12/17/91
5,072,953 07/577,304 12/17/91
5,072,954 07/625,678 12/17/91
5,072,958 07/656,760 12/17/91
5,072,960 07/480,231 12/17/91
5,072,961 07/550,037 12/17/91
5,072,962 07/478,446 12/17/91
5,072,964 07/647,151 12/17/91
5,072,971 07/480,116 12/17/91
5,072,979 07/532,801 12/17/91
5,072,988 07/303,650 12/17/91
5,072,998 07/391,094 12/17/91
5,073,001 07/603,403 12/17/91
5,073,006 07/502,609 12/17/91
5,073,007 07/536,177 12/17/91
5,073,009 07/540,575 12/17/91
5,073,011 07/605,359 12/17/91
5,073,016 07/572,700 12/17/91
5,073,022 07/628,829 12/17/91
5,073,024 07/426,425 12/17/91
5,073,027 07/356,676 12/17/91
5,073,028 07/512,856 12/17/91
5,073,030 07/469,949 12/17/91
5,073,038 07/551,286 12/17/91
5,073,056 07/470,824 12/17/91
5,073,058 07/509,660 12/17/91
5,073,079 07/525,338 12/17/91
5,073,093 07/529,128 12/17/91
5,073,102 07/620,540 12/17/91
5,073,107 07/590,479 12/17/91
5,073,110 07/527,002 12/17/91
5,073,116 07/664,154 12/17/91
5,073,124 07/556,062 12/17/91
5,073,127 07/649,092 12/17/91
5,073,130 07/619,414 12/17/91
5,073,138 07/546,293 12/17/91
5,073,153 07/671,359 12/17/91
5,073,155 07/587,683 12/17/91
5,073,156 07/445,880 12/17/91
5,073,158 07/561,078 12/17/91
5,073,169 07/624,294 12/17/91
5,073,182 07/489,858 12/17/91
5,073,183 07/593,117 12/17/91
5,073,191 07/441,533 12/17/91
5,073,192 07/592,517 12/17/91
5,073,193 07/543,402 12/17/91
5,073,197 07/388,798 12/17/91
5,073,198 07/565,246 12/17/91
5,073,207 07/571,224 12/17/91
5,073,209 07/097,175 12/17/91
5,073,212 07/458,930 12/17/91
5,073,219 07/424,256 12/17/91
5,073,220 07/336,810 12/17/91
5,073,223 07/328,740 12/17/91
5,073,228 07/566,578 12/17/91
5,073,230 07/510,276 12/17/91
5,073,231 07/578,394 12/17/91
5,073,239 07/469,640 12/17/91
5,073,249 07/439,753 12/17/91
5,073,256 07/450,892 12/17/91
5,073,259 07/593,315 12/17/91
5,073,261 07/568,993 12/17/91
5,073,262 07/480,680 12/17/91
5,073,265 07/347,845 12/17/91
5,073,271 07/648,534 12/17/91
5,073,272 07/486,486 12/17/91
5,073,276 07/294,895 12/17/91
5,073,277 07/558,974 12/17/91
5,073,288 07/569,354 12/17/91
5,073,289 07/505,841 12/17/91
5,073,290 07/568,807 12/17/91
5,073,293 07/404,630 12/17/91
5,073,295 07/547,715 12/17/91
5,073,302 07/365,884 12/17/91
5,073,303 07/547,700 12/17/91
5,073,310 07/591,679 12/17/91
5,073,314 07/535,825 12/17/91
5,073,319 07/580,858 12/17/91
5,073,320 07/580,860 12/17/91
5,073,321 07/346,528 12/17/91
5,073,328 07/398,256 12/17/91
5,073,332 07/516,257 12/17/91
5,073,335 07/660,306 12/17/91
5,073,342 07/293,712 12/17/91
5,073,343 07/424,194 12/17/91
5,073,348 07/549,666 12/17/91
5,073,352 07/562,532 12/17/91
5,073,353 07/436,430 12/17/91
5,073,354 07/588,247 12/17/91
5,073,362 07/554,948 12/17/91
5,073,366 07/358,856 12/17/91
5,073,368 07/699,878 12/17/91
5,073,370 07/660,406 12/17/91
5,073,374 07/278,099 12/17/91
5,073,378 07/286,998 12/17/91
5,073,387 07/469,153 12/17/91
5,073,412 07/608,493 12/17/91
5,073,413 07/531,508 12/17/91
5,073,420 07/420,164 12/17/91
5,073,424 07/472,840 12/17/91
5,073,426 07/518,897 12/17/91
5,073,428 07/418,605 12/17/91
5,073,430 07/510,128 12/17/91
5,073,435 07/137,160 12/17/91
5,073,443 07/288,934 12/17/91
5,073,447 07/448,068 12/17/91
5,073,451 07/560,816 12/17/91
5,073,454 07/403,234 12/17/91
5,073,468 07/361,594 12/17/91
5,073,479 07/597,851 12/17/91
5,073,480 07/551,030 12/17/91
5,073,482 07/209,373 12/17/91
5,073,483 07/328,340 12/17/91
5,073,490 07/488,479 12/17/91
5,073,491 07/289,647 12/17/91
5,073,496 07/297,074 12/17/91
5,073,500 07/291,168 12/17/91
5,073,503 07/378,458 12/17/91
5,073,507 07/664,142 12/17/91
5,073,519 07/607,011 12/17/91
5,073,527 07/462,329 12/17/91
5,073,528 07/530,213 12/17/91
5,073,529 07/453,666 12/17/91
5,073,531 07/520,372 12/17/91
5,073,538 07/571,899 12/17/91
5,073,540 07/351,764 12/17/91
5,073,542 07/462,012 12/17/91
5,073,557 07/564,490 12/17/91
5,073,559 07/382,610 12/17/91
5,073,560 07/556,112 12/17/91
5,073,562 07/521,777 12/17/91
5,073,564 07/549,516 12/17/91
5,073,565 07/515,984 12/17/91
5,073,568 07/270,980 12/17/91
5,073,571 07/402,094 12/17/91
5,073,574 07/550,426 12/17/91
5,073,575 07/237,392 12/17/91
5,073,582 07/377,984 12/17/91
5,073,583 07/419,553 12/17/91
5,073,585 07/231,398 12/17/91
5,073,590 07/698,337 12/17/91
5,073,598 07/369,170 12/17/91
5,073,603 07/430,996 12/17/91
5,073,613 07/354,197 12/17/91
5,073,616 07/412,103 12/17/91
5,073,617 07/292,716 12/17/91
5,073,620 07/317,838 12/17/91
5,073,631 07/246,031 12/17/91
5,073,634 07/517,839 12/17/91
5,073,638 07/587,655 12/17/91
5,073,641 07/188,407 12/17/91
5,073,643 07/575,276 12/17/91
5,073,647 07/513,735 12/17/91
5,073,648 07/645,737 12/17/91
5,073,651 07/604,872 12/17/91
5,073,664 07/667,733 12/17/91
5,073,678 07/570,626 12/17/91
5,073,679 07/548,643 12/17/91
5,073,692 07/611,790 12/17/91
5,073,697 07/514,306 12/17/91
5,073,700 07/462,817 12/17/91
5,073,703 07/502,177 12/17/91
5,073,705 07/505,615 12/17/91
5,073,709 07/682,681 12/17/91
5,073,712 07/683,844 12/17/91
5,073,714 07/527,216 12/17/91
5,073,715 07/549,482 12/17/91
5,073,717 07/604,082 12/17/91
5,073,718 07/604,081 12/17/91
5,073,720 07/561,413 12/17/91
5,073,734 07/604,229 12/17/91
5,073,735 07/728,656 12/17/91
5,073,737 07/560,460 12/17/91
5,073,740 07/555,668 12/17/91
5,073,742 07/482,847 12/17/91
5,073,743 07/432,777 12/17/91
5,073,750 07/472,238 12/17/91
5,073,762 07/616,432 12/17/91
5,073,769 07/608,054 12/17/91
5,073,773 07/333,750 12/17/91
5,073,774 07/637,991 12/17/91
5,073,779 07/566,749 12/17/91
5,073,780 06/458,008 12/17/91
5,073,783 07/602,558 12/17/91
5,073,788 07/549,135 12/17/91
5,073,793 07/304,589 12/17/91
5,073,796 07/238,782 12/17/91
5,073,807 07/562,497 12/17/91
5,073,809 07/620,572 12/17/91
5,073,810 07/600,363 12/17/91
5,073,824 07/539,410 12/17/91
5,073,826 07/326,834 12/17/91
5,073,829 07/575,418 12/17/91
5,073,832 07/370,709 12/17/91
5,073,836 07/417,374 12/17/91
5,073,841 07/476,202 12/17/91
5,073,842 07/470,832 12/17/91
5,073,843 07/606,556 12/17/91
5,073,844 07/639,984 12/17/91
5,073,856 07/489,240 12/17/91
5,073,862 07/430,072 12/17/91
5,073,863 07/445,549 12/17/91
5,073,869 07/398,735 12/17/91
5,073,875 07/613,193 12/17/91
5,073,884 07/459,199 12/17/91
5,073,888 07/340,044 12/17/91
5,073,898 07/472,089 12/17/91
5,073,903 07/452,859 12/17/91
5,073,905 07/396,876 12/17/91
5,073,913 07/606,536 12/17/91
5,073,917 07/614,414 12/17/91
5,073,950 07/337,793 12/17/91
5,073,952 07/241,177 12/17/91
5,073,958 07/556,782 12/17/91
5,073,962 07/395,888 12/17/91
5,073,978 07/573,017 12/17/91
5,073,983 07/488,547 12/17/91
PATENTS WHICH EXPIRED ON December 19, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,475,879 08/272,817 12/19/95
5,475,883 08/344,971 12/19/95
5,475,886 08/305,593 12/19/95
5,475,887 08/226,362 12/19/95
5,475,895 08/202,639 12/19/95
5,475,896 08/287,805 12/19/95
5,475,900 07/787,121 12/19/95
5,475,906 08/304,559 12/19/95
5,475,908 08/272,132 12/19/95
5,475,912 08/325,364 12/19/95
5,475,918 08/307,006 12/19/95
5,475,925 08/215,893 12/19/95
5,475,931 08/287,162 12/19/95
5,475,933 08/343,910 12/19/95
5,475,935 08/280,226 12/19/95
5,475,941 08/296,525 12/19/95
5,475,945 08/327,572 12/19/95
5,475,947 08/247,661 12/19/95
5,475,949 08/310,382 12/19/95
5,475,950 08/112,753 12/19/95
5,475,951 08/176,650 12/19/95
5,475,954 08/212,055 12/19/95
5,475,955 08/176,348 12/19/95
5,475,958 08/079,620 12/19/95
5,475,961 08/080,160 12/19/95
5,475,967 08/410,851 12/19/95
5,475,981 08/239,329 12/19/95
5,475,995 08/243,194 12/19/95
5,475,997 08/273,876 12/19/95
5,476,003 08/294,014 12/19/95
5,476,011 07/946,432 12/19/95
5,476,013 08/260,034 12/19/95
5,476,018 08/356,645 12/19/95
5,476,020 08/235,784 12/19/95
5,476,023 08/248,103 12/19/95
5,476,026 08/020,737 12/19/95
5,476,033 08/187,695 12/19/95
5,476,046 08/307,356 12/19/95
5,476,048 08/010,400 12/19/95
5,476,058 08/253,565 12/19/95
5,476,070 08/243,712 12/19/95
5,476,073 08/173,569 12/19/95
5,476,086 08/180,862 12/19/95
5,476,089 08/365,550 12/19/95
5,476,107 08/152,135 12/19/95
5,476,115 08/209,177 12/19/95
5,476,122 08/273,021 12/19/95
5,476,124 08/343,900 12/19/95
5,476,130 08/252,107 12/19/95
5,476,131 07/989,170 12/19/95
5,476,136 08/330,011 12/19/95
5,476,140 08/391,929 12/19/95
5,476,142 08/364,091 12/19/95
5,476,145 08/240,406 12/19/95
5,476,150 08/286,318 12/19/95
5,476,153 08/217,560 12/19/95
5,476,161 08/363,209 12/19/95
5,476,162 08/360,201 12/19/95
5,476,163 08/258,083 12/19/95
5,476,164 08/304,067 12/19/95
5,476,173 08/230,339 12/19/95
5,476,178 08/261,136 12/19/95
5,476,184 08/214,110 12/19/95
5,476,192 08/226,838 12/19/95
5,476,199 08/216,552 12/19/95
5,476,200 08/223,041 12/19/95
5,476,204 08/257,530 12/19/95
5,476,215 08/375,978 12/19/95
5,476,216 08/267,118 12/19/95
5,476,219 08/274,076 12/19/95
5,476,228 08/206,815 12/19/95
5,476,230 08/429,005 12/19/95
5,476,234 08/165,640 12/19/95
5,476,236 08/122,018 12/19/95
5,476,239 08/230,463 12/19/95
5,476,242 08/165,999 12/19/95
5,476,243 08/321,957 12/19/95
5,476,246 08/211,126 12/19/95
5,476,253 08/256,801 12/19/95
5,476,257 08/282,559 12/19/95
5,476,258 08/391,953 12/19/95
5,476,262 08/008,453 12/19/95
5,476,264 08/432,461 12/19/95
5,476,267 08/433,984 12/19/95
5,476,274 08/278,841 12/19/95
5,476,276 08/273,082 12/19/95
5,476,280 08/308,753 12/19/95
5,476,281 08/432,570 12/19/95
5,476,283 08/190,407 12/19/95
5,476,286 08/321,741 12/19/95
5,476,287 08/336,839 12/19/95
5,476,288 08/279,800 12/19/95
5,476,295 08/345,106 12/19/95
5,476,296 08/339,410 12/19/95
5,476,297 08/226,252 12/19/95
5,476,298 08/342,823 12/19/95
5,476,299 08/343,033 12/19/95
5,476,300 08/198,122 12/19/95
5,476,301 08/162,965 12/19/95
5,476,309 08/348,874 12/19/95
5,476,312 08/090,058 12/19/95
5,476,319 08/252,414 12/19/95
5,476,321 08/417,260 12/19/95
5,476,322 08/195,937 12/19/95
5,476,323 08/436,754 12/19/95
5,476,327 08/385,895 12/19/95
5,476,340 08/361,183 12/19/95
5,476,343 07/982,955 12/19/95
5,476,352 08/252,959 12/19/95
5,476,357 08/217,870 12/19/95
5,476,360 08/211,687 12/19/95
5,476,371 08/254,633 12/19/95
5,476,380 08/204,332 12/19/95
5,476,386 08/074,553 12/19/95
5,476,396 08/265,401 12/19/95
5,476,400 08/322,176 12/19/95
5,476,404 08/324,795 12/19/95
5,476,405 08/438,071 12/19/95
5,476,409 08/172,554 12/19/95
5,476,411 08/093,123 12/19/95
5,476,417 08/293,285 12/19/95
5,476,430 08/331,227 12/19/95
5,476,433 08/183,680 12/19/95
5,476,435 08/225,338 12/19/95
5,476,442 08/306,581 12/19/95
5,476,452 08/095,537 12/19/95
5,476,455 08/228,503 12/19/95
5,476,465 08/253,200 12/19/95
5,476,467 08/260,402 12/19/95
5,476,470 08/228,792 12/19/95
5,476,481 08/240,644 12/19/95
5,476,491 08/323,130 12/19/95
5,476,492 08/199,855 12/19/95
5,476,517 08/373,330 12/19/95
5,476,518 08/403,343 12/19/95
5,476,524 08/165,303 12/19/95
5,476,528 08/169,110 12/19/95
5,476,533 07/955,483 12/19/95
5,476,564 08/320,601 12/19/95
5,476,574 08/256,154 12/19/95
5,476,576 08/193,195 12/19/95
5,476,603 08/262,930 12/19/95
5,476,614 08/373,811 12/19/95
5,476,617 08/019,680 12/19/95
5,476,622 07/898,914 12/19/95
5,476,628 08/303,465 12/19/95
5,476,634 08/409,897 12/19/95
5,476,637 08/147,101 12/19/95
5,476,651 08/142,423 12/19/95
5,476,659 08/151,142 12/19/95
5,476,661 08/326,994 12/19/95
5,476,674 08/223,518 12/19/95
5,476,682 08/161,929 12/19/95
5,476,720 07/992,952 12/19/95
5,476,746 08/075,101 12/19/95
5,476,755 08/339,341 12/19/95
5,476,771 08/021,033 12/19/95
5,476,780 07/983,514 12/19/95
5,476,791 08/243,521 12/19/95
5,476,792 08/395,700 12/19/95
5,476,803 08/323,756 12/19/95
5,476,804 08/178,754 12/19/95
5,476,810 08/368,523 12/19/95
5,476,812 08/326,748 12/19/95
5,476,828 08/190,051 12/19/95
5,476,836 08/194,711 12/19/95
5,476,848 08/197,208 12/19/95
5,476,857 08/077,592 12/19/95
5,476,858 08/193,124 12/19/95
5,476,876 08/248,030 12/19/95
5,476,881 08/469,631 12/19/95
5,476,888 08/300,682 12/19/95
5,476,890 08/279,690 12/19/95
5,476,894 08/334,240 12/19/95
5,476,898 08/432,855 12/19/95
5,476,900 08/414,005 12/19/95
5,476,905 07/725,870 12/19/95
5,476,923 08/221,431 12/19/95
5,476,931 07/862,174 12/19/95
5,476,940 08/128,955 12/19/95
5,476,942 08/305,663 12/19/95
5,476,947 08/250,350 12/19/95
5,476,952 08/030,581 12/19/95
5,476,960 08/224,353 12/19/95
5,476,972 08/188,007 12/19/95
5,476,979 08/227,806 12/19/95
5,476,983 08/285,674 12/19/95
5,477,012 07/862,977 12/19/95
5,477,019 08/295,244 12/19/95
5,477,030 08/229,378 12/19/95
5,477,040 08/247,587 12/19/95
5,477,055 08/304,503 12/19/95
5,477,076 08/297,280 12/19/95
5,477,113 08/316,484 12/19/95
5,477,119 08/365,868 12/19/95
5,477,123 08/353,827 12/19/95
5,477,137 07/955,967 12/19/95
5,477,161 08/375,051 12/19/95
5,477,179 08/288,495 12/19/95
5,477,204 08/270,623 12/19/95
5,477,206 08/113,049 12/19/95
5,477,208 08/274,344 12/19/95
5,477,211 08/325,819 12/19/95
5,477,212 08/276,311 12/19/95
5,477,223 07/928,898 12/19/95
5,477,224 06/329,527 12/19/95
5,477,234 08/227,166 12/19/95
5,477,251 08/304,478 12/19/95
5,477,268 08/261,023 12/19/95
5,477,281 08/355,830 12/19/95
5,477,282 08/282,874 12/19/95
5,477,283 08/290,541 12/19/95
5,477,287 08/311,133 12/19/95
5,477,325 08/253,568 12/19/95
5,477,327 08/168,119 12/19/95
5,477,330 07/962,302 12/19/95
5,477,356 08/023,197 12/19/95
5,477,357 08/124,187 12/19/95
5,477,369 07/798,265 12/19/95
5,477,371 08/165,616 12/19/95
5,477,402 08/212,374 12/19/95
5,477,403 07/826,325 12/19/95
5,477,404 08/298,358 12/19/95
5,477,411 08/353,307 12/19/95
5,477,427 08/355,033 12/19/95
5,477,431 08/377,266 12/19/95
5,477,434 08/278,499 12/19/95
5,477,436 08/089,757 12/19/95
5,477,437 08/154,432 12/19/95
5,477,459 08/394,394 12/19/95
5,477,465 08/115,343 12/19/95
5,477,470 08/262,699 12/19/95
5,477,482 08/130,479 12/19/95
5,477,483 08/100,176 12/19/95
5,477,492 08/216,388 12/19/95
5,477,504 08/319,709 12/19/95
5,477,537 08/223,858 12/19/95
5,477,544 08/194,600 12/19/95
5,477,553 08/279,484 12/19/95
5,477,556 08/284,299 12/19/95