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 March 29, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Serial Issue
Number Number Date
4,733,418 06/856,005 03/29/88
4,733,422 06/738,468 03/29/88
4,733,439 07/057,616 03/29/88
4,733,442 06/922,963 03/29/88
4,733,446 06/389,748 03/29/88
4,733,453 07/004,065 03/29/88
4,733,462 06/867,926 03/29/88
4,733,463 07/009,307 03/29/88
4,733,478 06/915,800 03/29/88
4,733,500 06/928,790 03/29/88
4,733,503 06/858,373 03/29/88
4,733,518 06/739,247 03/29/88
4,733,522 06/907,420 03/29/88
4,733,527 07/024,817 03/29/88
4,733,531 06/839,831 03/29/88
4,733,541 06/905,169 03/29/88
4,733,545 07/058,143 03/29/88
4,733,547 07/006,724 03/29/88
4,733,557 06/921,919 03/29/88
4,733,561 06/888,555 03/29/88
4,733,567 06/877,405 03/29/88
4,733,572 06/886,907 03/29/88
4,733,576 06/915,070 03/29/88
4,733,583 06/820,961 03/29/88
4,733,586 07/043,159 03/29/88
4,733,589 06/887,409 03/29/88
4,733,601 06/907,378 03/29/88
4,733,604 07/013,451 03/29/88
4,733,613 06/879,683 03/29/88
4,733,624 06/905,675 03/29/88
4,733,639 06/824,001 03/29/88
4,733,645 06/859,541 03/29/88
4,733,656 06/579,728 03/29/88
4,733,660 06/940,195 03/29/88
4,733,669 06/737,650 03/29/88
4,733,670 06/873,602 03/29/88
4,733,671 07/026,889 03/29/88
4,733,674 07/006,240 03/29/88
4,733,675 06/838,802 03/29/88
4,733,676 06/857,328 03/29/88
4,733,677 06/926,760 03/29/88
4,733,688 06/733,518 03/29/88
4,733,702 06/906,706 03/29/88
4,733,703 06/852,743 03/29/88
4,733,713 06/730,300 03/29/88
4,733,719 06/909,769 03/29/88
4,733,729 07/011,392 03/29/88
4,733,730 06/870,982 03/29/88
4,733,733 06/828,392 03/29/88
4,733,742 07/040,392 03/29/88
4,733,743 06/941,248 03/29/88
4,733,744 06/904,020 03/29/88
4,733,746 06/874,934 03/29/88
4,733,749 06/834,403 03/29/88
4,733,758 06/897,262 03/29/88
4,733,761 06/675,875 03/29/88
4,733,768 06/804,437 03/29/88
4,733,786 06/928,803 03/29/88
4,733,787 06/869,480 03/29/88
4,733,795 07/050,639 03/29/88
4,733,800 06/777,634 03/29/88
4,733,802 06/927,324 03/29/88
4,733,803 06/877,615 03/29/88
4,733,821 06/789,909 03/29/88
4,733,824 06/891,150 03/29/88
4,733,839 06/934,467 03/29/88
4,733,845 06/902,623 03/29/88
4,733,851 07/006,770 03/29/88
4,733,853 07/015,418 03/29/88
4,733,856 07/080,395 03/29/88
4,733,864 07/014,004 03/29/88
4,733,878 06/874,687 03/29/88
4,733,880 07/026,935 03/29/88
4,733,903 06/824,003 03/29/88
4,733,905 07/040,412 03/29/88
4,733,912 06/925,073 03/29/88
4,733,913 06/807,601 03/29/88
4,733,926 06/929,114 03/29/88
4,733,943 06/552,880 03/29/88
4,733,945 06/818,925 03/29/88
4,733,946 07/021,577 03/29/88
4,733,951 07/033,052 03/29/88
4,733,961 06/768,920 03/29/88
4,733,968 06/885,007 03/29/88
4,733,978 06/867,579 03/29/88
4,733,980 06/942,188 03/29/88
4,733,987 07/013,348 03/29/88
4,733,996 06/940,742 03/29/88
4,733,997 06/745,946 03/29/88
4,734,003 06/944,192 03/29/88
4,734,007 07/096,297 03/29/88
4,734,012 07/039,404 03/29/88
4,734,020 06/939,110 03/29/88
4,734,035 06/883,105 03/29/88
4,734,046 06/840,992 03/29/88
4,734,052 06/880,888 03/29/88
4,734,062 06/937,774 03/29/88
4,734,070 06/879,032 03/29/88
4,734,074 07/012,638 03/29/88
4,734,094 06/871,819 03/29/88
4,734,097 06/716,840 03/29/88
4,734,098 06/800,727 03/29/88
4,734,113 06/862,672 03/29/88
4,734,114 06/931,999 03/29/88
4,734,115 06/843,322 03/29/88
4,734,133 06/863,284 03/29/88
4,734,134 06/870,599 03/29/88
4,734,135 06/536,504 03/29/88
4,734,141 07/030,802 03/29/88
4,734,145 06/909,613 03/29/88
4,734,146 06/845,913 03/29/88
4,734,148 06/882,272 03/29/88
4,734,152 07/073,905 03/29/88
4,734,153 06/911,983 03/29/88
4,734,154 06/911,985 03/29/88
4,734,157 07/027,458 03/29/88
4,734,159 06/851,732 03/29/88
4,734,162 06/904,529 03/29/88
4,734,163 06/737,398 03/29/88
4,734,171 06/806,043 03/29/88
4,734,172 06/904,010 03/29/88
4,734,173 06/940,840 03/29/88
4,734,176 07/007,110 03/29/88
4,734,183 06/896,939 03/29/88
4,734,184 07/021,520 03/29/88
4,734,200 06/848,130 03/29/88
4,734,207 06/904,355 03/29/88
4,734,213 07/051,529 03/29/88
4,734,218 06/889,932 03/29/88
4,734,221 07/005,366 03/29/88
4,734,223 07/005,365 03/29/88
4,734,244 06/812,011 03/29/88
4,734,254 06/941,849 03/29/88
4,734,264 06/913,112 03/29/88
4,734,270 06/850,677 03/29/88
4,734,282 06/854,912 03/29/88
4,734,283 06/788,823 03/29/88
4,734,291 06/877,624 03/29/88
4,734,293 06/911,109 03/29/88
4,734,311 06/772,598 03/29/88
4,734,313 06/907,874 03/29/88
4,734,319 07/005,275 03/29/88
4,734,330 06/881,285 03/29/88
4,734,340 06/885,020 03/29/88
4,734,341 07/024,705 03/29/88
4,734,358 06/935,154 03/29/88
4,734,361 06/877,848 03/29/88
4,734,372 06/623,183 03/29/88
4,734,373 06/877,858 03/29/88
4,734,378 06/749,344 03/29/88
4,734,384 06/862,638 03/29/88
4,734,385 07/029,190 03/29/88
4,734,386 06/924,341 03/29/88
4,734,390 06/794,633 03/29/88
4,734,394 06/898,775 03/29/88
4,734,400 06/874,973 03/29/88
4,734,403 06/770,737 03/29/88
4,734,408 06/943,108 03/29/88
4,734,409 06/702,135 03/29/88
4,734,411 06/895,099 03/29/88
4,734,413 07/020,861 03/29/88
4,734,418 06/805,905 03/29/88
4,734,424 06/911,173 03/29/88
4,734,425 06/920,006 03/29/88
4,734,426 06/911,178 03/29/88
4,734,432 06/831,467 03/29/88
4,734,433 06/934,763 03/29/88
4,734,441 07/071,443 03/29/88
4,734,449 06/895,602 03/29/88
4,734,450 06/841,265 03/29/88
4,734,457 07/046,613 03/29/88
4,734,458 06/918,579 03/29/88
4,734,467 06/893,637 03/29/88
4,734,477 06/886,167 03/29/88
4,734,479 07/027,263 03/29/88
4,734,481 07/001,312 03/29/88
4,734,483 06/899,076 03/29/88
4,734,490 06/901,708 03/29/88
4,734,492 06/884,403 03/29/88
4,734,495 07/013,521 03/29/88
4,734,498 06/884,124 03/29/88
4,734,502 06/944,835 03/29/88
4,734,503 06/827,011 03/29/88
4,734,515 06/894,401 03/29/88
4,734,519 06/871,007 03/29/88
4,734,520 06/867,960 03/29/88
4,734,522 06/816,790 03/29/88
4,734,531 07/050,118 03/29/88
4,734,534 06/826,455 03/29/88
4,734,546 07/026,217 03/29/88
4,734,549 06/934,001 03/29/88
4,734,554 06/828,887 03/29/88
4,734,567 06/897,438 03/29/88
4,734,570 06/932,145 03/29/88
4,734,574 06/942,819 03/29/88
4,734,576 06/858,413 03/29/88
4,734,577 07/080,231 03/29/88
4,734,584 06/907,889 03/29/88
4,734,588 06/898,393 03/29/88
4,734,591 06/851,161 03/29/88
4,734,597 06/938,632 03/29/88
4,734,598 06/706,294 03/29/88
4,734,606 06/830,350 03/29/88
4,734,608 06/926,369 03/29/88
4,734,613 06/569,374 03/29/88
4,734,623 07/083,891 03/29/88
4,734,627 06/674,548 03/29/88
4,734,628 06/936,423 03/29/88
4,734,633 06/741,585 03/29/88
4,734,635 06/911,692 03/29/88
4,734,648 07/031,803 03/29/88
4,734,651 06/880,268 03/29/88
4,734,652 06/898,147 03/29/88
4,734,659 07/034,235 03/29/88
4,734,662 07/009,806 03/29/88
4,734,676 06/745,548 03/29/88
4,734,689 06/833,055 03/29/88
4,734,691 06/826,692 03/29/88
4,734,701 06/838,920 03/29/88
4,734,709 06/856,387 03/29/88
4,734,711 06/945,265 03/29/88
4,734,720 06/886,474 03/29/88
4,734,721 06/784,506 03/29/88
4,734,727 06/808,732 03/29/88
4,734,729 06/762,898 03/29/88
4,734,737 06/743,922 03/29/88
4,734,757 06/874,674 03/29/88
4,734,766 06/897,525 03/29/88
4,734,772 07/064,531 03/29/88
4,734,788 06/904,137 03/29/88
4,734,802 06/782,536 03/29/88
4,734,805 06/700,202 03/29/88
4,734,810 06/758,436 03/29/88
4,734,816 06/909,252 03/29/88
4,734,818 07/028,172 03/29/88
4,734,819 07/027,739 03/29/88
4,734,820 07/039,056 03/29/88
4,734,828 07/042,973 03/29/88
4,734,835 06/912,910 03/29/88
4,734,836 06/878,967 03/29/88
4,734,845 06/913,658 03/29/88
4,734,855 06/749,622 03/29/88
4,734,856 06/585,403 03/29/88
4,734,860 06/831,983 03/29/88
4,734,861 06/883,864 03/29/88
4,734,868 06/887,660 03/29/88
4,734,874 06/862,007 03/29/88
4,734,876 06/810,451 03/29/88
4,734,882 06/718,272 03/29/88
4,734,892 06/796,586 03/29/88
4,734,896 06/902,754 03/29/88
4,734,900 06/855,560 03/29/88
4,734,901 06/669,876 03/29/88
4,734,906 06/628,692 03/29/88
4,734,907 06/773,380 03/29/88
4,734,921 06/934,588 03/29/88
4,734,924 06/917,078 03/29/88
4,734,936 06/798,237 03/29/88
PATENTS WHICH EXPIRED ON March 24, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,097,535 07/610,765 03/24/92
5,097,536 07/714,927 03/24/92
5,097,539 07/559,256 03/24/92
5,097,540 07/444,465 03/24/92
5,097,542 07/523,993 03/24/92
5,097,547 07/573,846 03/24/92
5,097,549 07/594,745 03/24/92
5,097,556 07/660,935 03/24/92
5,097,558 07/538,223 03/24/92
5,097,564 07/578,595 03/24/92
5,097,566 07/720,607 03/24/92
5,097,569 07/540,223 03/24/92
5,097,583 07/616,097 03/24/92
5,097,586 07/627,480 03/24/92
5,097,588 07/658,216 03/24/92
5,097,595 07/644,966 03/24/92
5,097,600 07/448,633 03/24/92
5,097,604 07/683,867 03/24/92
5,097,609 07/627,308 03/24/92
5,097,615 07/745,398 03/24/92
5,097,617 07/640,093 03/24/92
5,097,622 07/439,647 03/24/92
5,097,625 07/613,722 03/24/92
5,097,628 07/414,096 03/24/92
5,097,630 07/243,979 03/24/92
5,097,631 07/598,433 03/24/92
5,097,635 07/563,085 03/24/92
5,097,644 07/648,958 03/24/92
5,097,648 07/651,822 03/24/92
5,097,668 07/605,950 03/24/92
5,097,670 07/645,392 03/24/92
5,097,673 07/621,617 03/24/92
5,097,674 07/662,462 03/24/92
5,097,681 07/627,575 03/24/92
5,097,703 07/054,050 03/24/92
5,097,708 07/592,023 03/24/92
5,097,709 07/479,172 03/24/92
5,097,710 07/099,718 03/24/92
5,097,751 07/582,964 03/24/92
5,097,759 07/670,891 03/24/92
5,097,765 07/676,610 03/24/92
5,097,766 07/533,324 03/24/92
5,097,767 07/601,664 03/24/92
5,097,770 07/622,131 03/24/92
5,097,771 07/638,193 03/24/92
5,097,774 07/711,052 03/24/92
5,097,776 07/525,898 03/24/92
5,097,778 07/733,300 03/24/92
5,097,785 07/493,391 03/24/92
5,097,788 07/515,434 03/24/92
5,097,794 07/616,342 03/24/92
5,097,797 07/426,078 03/24/92
5,097,798 07/535,042 03/24/92
5,097,811 07/585,128 03/24/92
5,097,812 07/551,308 03/24/92
5,097,813 07/616,888 03/24/92
5,097,818 07/554,924 03/24/92
5,097,820 07/600,601 03/24/92
5,097,822 07/529,123 03/24/92
5,097,827 07/673,379 03/24/92
5,097,830 07/502,481 03/24/92
5,097,837 07/398,230 03/24/92
5,097,839 07/479,262 03/24/92
5,097,840 07/542,717 03/24/92
5,097,845 07/547,535 03/24/92
5,097,849 07/546,073 03/24/92
5,097,851 07/656,380 03/24/92
5,097,853 07/548,427 03/24/92
5,097,854 07/460,462 03/24/92
5,097,866 07/559,769 03/24/92
5,097,869 07/720,351 03/24/92
5,097,875 07/586,137 03/24/92
5,097,879 07/633,588 03/24/92
5,097,880 07/691,697 03/24/92
5,097,882 07/413,576 03/24/92
5,097,883 07/693,288 03/24/92
5,097,886 07/561,146 03/24/92
5,097,893 07/635,772 03/24/92
5,097,895 07/636,096 03/24/92
5,097,903 07/644,982 03/24/92
5,097,914 07/526,286 03/24/92
5,097,927 07/297,133 03/24/92
5,097,934 07/491,245 03/24/92
5,097,936 07/486,602 03/24/92
5,097,937 07/608,456 03/24/92
5,097,940 07/675,072 03/24/92
5,097,944 07/626,883 03/24/92
5,097,946 07/505,890 03/24/92
5,097,947 07/701,060 03/24/92
5,097,950 07/515,204 03/24/92
5,097,958 07/599,982 03/24/92
5,097,962 07/635,476 03/24/92
5,097,963 07/508,980 03/24/92
5,097,967 07/579,240 03/24/92
5,097,968 07/676,205 03/24/92
5,097,970 07/532,452 03/24/92
5,097,972 07/465,026 03/24/92
5,097,974 07/652,199 03/24/92
5,097,980 07/758,169 03/24/92
5,097,990 07/404,492 03/24/92
5,097,994 07/610,159 03/24/92
5,098,007 07/462,770 03/24/92
5,098,009 07/677,132 03/24/92
5,098,024 07/559,870 03/24/92
5,098,029 07/531,983 03/24/92
5,098,034 07/446,188 03/24/92
5,098,035 07/676,417 03/24/92
5,098,036 07/072,123 03/24/92
5,098,040 07/489,459 03/24/92
5,098,048 07/195,302 03/24/92
5,098,054 07/550,322 03/24/92
5,098,056 07/674,096 03/24/92
5,098,059 07/508,043 03/24/92
5,098,063 07/720,901 03/24/92
5,098,065 07/662,393 03/24/92
5,098,066 07/642,826 03/24/92
5,098,072 07/610,706 03/24/92
5,098,079 07/580,203 03/24/92
5,098,088 07/593,910 03/24/92
5,098,093 07/525,073 03/24/92
5,098,099 07/658,769 03/24/92
5,098,101 07/593,473 03/24/92
5,098,106 07/618,515 03/24/92
5,098,111 07/675,806 03/24/92
5,098,116 07/622,100 03/24/92
5,098,126 07/420,438 03/24/92
5,098,133 07/473,217 03/24/92
5,098,139 07/526,767 03/24/92
5,098,140 07/694,917 03/24/92
5,098,141 07/754,032 03/24/92
5,098,142 07/586,953 03/24/92
5,098,158 07/604,916 03/24/92
5,098,164 07/642,950 03/24/92
5,098,168 07/590,792 03/24/92
5,098,170 07/476,794 03/24/92
5,098,171 07/424,648 03/24/92
5,098,172 07/579,663 03/24/92
5,098,182 07/511,723 03/24/92
5,098,186 07/596,711 03/24/92
5,098,187 07/616,190 03/24/92
5,098,197 07/303,181 03/24/92
5,098,199 07/563,812 03/24/92
5,098,200 07/649,473 03/24/92
5,098,203 07/667,562 03/24/92
5,098,207 07/477,423 03/24/92
5,098,208 07/627,623 03/24/92
5,098,213 07/709,200 03/24/92
5,098,214 07/505,705 03/24/92
5,098,233 07/604,810 03/24/92
5,098,234 07/224,669 03/24/92
5,098,240 07/527,745 03/24/92
5,098,242 07/727,966 03/24/92
5,098,249 07/586,193 03/24/92
5,098,258 07/645,763 03/24/92
5,098,263 07/575,443 03/24/92
5,098,266 07/578,289 03/24/92
5,098,269 07/693,596 03/24/92
5,098,271 07/377,716 03/24/92
5,098,275 07/580,286 03/24/92
5,098,286 07/702,617 03/24/92
5,098,287 07/525,205 03/24/92
5,098,291 07/452,025 03/24/92
5,098,292 07/532,853 03/24/92
5,098,294 07/720,393 03/24/92
5,098,295 07/480,066 03/24/92
5,098,300 07/718,756 03/24/92
5,098,309 07/686,223 03/24/92
5,098,312 07/728,262 03/24/92
5,098,313 07/660,816 03/24/92
5,098,317 07/636,309 03/24/92
5,098,318 07/683,045 03/24/92
5,098,322 07/557,165 03/24/92
5,098,327 07/587,475 03/24/92
5,098,330 07/675,685 03/24/92
5,098,333 07/500,836 03/24/92
5,098,344 07/447,335 03/24/92
5,098,349 07/721,877 03/24/92
5,098,353 07/490,079 03/24/92
5,098,354 07/612,703 03/24/92
5,098,355 07/624,844 03/24/92
5,098,361 07/600,692 03/24/92
5,098,370 07/504,472 03/24/92
5,098,375 07/529,976 03/24/92
5,098,380 07/330,473 03/24/92
5,098,396 07/600,432 03/24/92
5,098,402 07/527,385 03/24/92
5,098,403 07/446,343 03/24/92
5,098,407 07/460,237 03/24/92
5,098,412 07/607,511 03/24/92
5,098,414 07/466,597 03/24/92
5,098,417 07/508,178 03/24/92
5,098,420 07/611,014 03/24/92
5,098,428 07/669,365 03/24/92
5,098,429 07/510,085 03/24/92
5,098,433 07/336,721 03/24/92
5,098,437 07/661,157 03/24/92
5,098,444 07/494,762 03/24/92
5,098,447 07/292,169 03/24/92
5,098,463 07/574,117 03/24/92
5,098,465 07/590,675 03/24/92
5,098,469 07/758,138 03/24/92
5,098,474 07/547,544 03/24/92
5,098,480 07/527,419 03/24/92
5,098,484 07/648,464 03/24/92
5,098,487 07/620,190 03/24/92
5,098,488 07/671,605 03/24/92
5,098,504 07/545,792 03/24/92
5,098,510 07/563,883 03/24/92
5,098,514 07/569,236 03/24/92
5,098,525 07/534,183 03/24/92
5,098,526 07/682,506 03/24/92
5,098,533 07/651,073 03/24/92
5,098,535 07/475,502 03/24/92
5,098,540 07/479,009 03/24/92
5,098,541 07/356,532 03/24/92
5,098,547 07/255,504 03/24/92
5,098,557 07/478,214 03/24/92
5,098,559 07/592,452 03/24/92
5,098,562 07/647,320 03/24/92
5,098,567 07/626,385 03/24/92
5,098,571 07/616,355 03/24/92
5,098,576 07/700,327 03/24/92
5,098,584 07/575,706 03/24/92
5,098,591 07/475,364 03/24/92
5,098,594 07/605,630 03/24/92
5,098,595 07/555,757 03/24/92
5,098,596 07/444,427 03/24/92
5,098,598 07/453,278 03/24/92
5,098,603 07/465,834 03/24/92
5,098,604 07/455,433 03/24/92
5,098,606 07/609,507 03/24/92
5,098,620 07/534,821 03/24/92
5,098,632 07/740,970 03/24/92
5,098,636 07/570,281 03/24/92
5,098,643 07/307,695 03/24/92
5,098,644 07/570,812 03/24/92
5,098,650 07/747,160 03/24/92
5,098,655 07/357,195 03/24/92
5,098,660 07/461,944 03/24/92
5,098,667 07/347,704 03/24/92
5,098,672 07/362,028 03/24/92
5,098,674 07/590,590 03/24/92
5,098,675 07/464,957 03/24/92
5,098,676 07/637,625 03/24/92
5,098,679 07/731,572 03/24/92
5,098,682 07/755,280 03/24/92
5,098,683 07/665,628 03/24/92
5,098,690 07/547,574 03/24/92
5,098,707 07/692,430 03/24/92
5,098,709 07/442,600 03/24/92
5,098,717 07/656,592 03/24/92
5,098,721 07/573,381 03/24/92
5,098,726 07/565,445 03/24/92
5,098,727 07/590,550 03/24/92
5,098,732 07/711,385 03/24/92
5,098,733 07/740,602 03/24/92
5,098,744 07/422,901 03/24/92
5,098,747 07/534,994 03/24/92
5,098,753 07/529,941 03/24/92
5,098,755 07/616,570 03/24/92
5,098,758 07/536,309 03/24/92
5,098,760 07/631,913 03/24/92
5,098,762 07/635,443 03/24/92
5,098,766 07/705,601 03/24/92
5,098,778 07/514,054 03/24/92
5,098,784 07/637,375 03/24/92
5,098,786 07/573,437 03/24/92
5,098,790 07/403,863 03/24/92
5,098,799 07/618,653 03/24/92
5,098,801 07/581,000 03/24/92
5,098,816 07/683,778 03/24/92
5,098,820 07/519,964 03/24/92
5,098,826 07/491,396 03/24/92
5,098,831 07/392,363 03/24/92
5,098,834 07/335,332 03/24/92
5,098,835 07/357,690 03/24/92
5,098,837 07/203,387 03/24/92
5,098,848 07/581,276 03/24/92
5,098,851 07/474,336 03/24/92
5,098,856 07/717,267 03/24/92
5,098,857 07/455,695 03/24/92
5,098,860 07/520,174 03/24/92
5,098,864 07/640,794 03/24/92
5,098,868 07/590,916 03/24/92
5,098,870 07/557,332 03/24/92
5,098,871 07/626,962 03/24/92
5,098,880 07/575,474 03/24/92
5,098,881 07/715,009 03/24/92
5,098,887 07/659,432 03/24/92
5,098,888 07/536,193 03/24/92
5,098,896 07/690,081 03/24/92
5,098,897 07/608,056 03/24/92
5,098,901 07/757,082 03/24/92
5,098,903 07/432,564 03/24/92
5,098,909 07/381,666 03/24/92
5,098,913 07/653,856 03/24/92
5,098,914 07/656,188 03/24/92
5,098,916 07/501,216 03/24/92
5,098,919 07/552,031 03/24/92
5,098,921 07/279,091 03/24/92
5,098,922 07/718,076 03/24/92
5,098,923 07/588,873 03/24/92
5,098,930 07/455,173 03/24/92
5,098,932 07/454,911 03/24/92
5,098,934 07/542,731 03/24/92
5,098,936 07/592,486 03/24/92
5,098,937 07/524,728 03/24/92
5,098,939 07/498,194 03/24/92
5,098,942 07/616,841 03/24/92
5,098,946 07/630,633 03/24/92
5,098,948 07/533,398 03/24/92
5,098,949 07/456,795 03/24/92
5,098,954 07/609,273 03/24/92
5,098,957 07/390,594 03/24/92
5,098,960 07/100,156 03/24/92
5,098,967 07/258,052 03/24/92
5,098,970 07/607,005 03/24/92
5,098,977 07/632,920 03/24/92
5,098,992 07/749,769 03/24/92
5,099,000 07/455,467 03/24/92
5,099,008 07/703,305 03/24/92
5,099,012 07/626,116 03/24/92
5,099,014 07/150,077 03/24/92
5,099,015 07/639,475 03/24/92
5,099,016 07/485,399 03/24/92
5,099,021 07/606,208 03/24/92
5,099,031 07/608,046 03/24/92
5,099,039 07/609,562 03/24/92
5,099,042 07/323,587 03/24/92
5,099,048 07/715,993 03/24/92
5,099,053 07/528,425 03/24/92
5,099,056 07/560,385 03/24/92
5,099,061 07/580,919 03/24/92
5,099,066 07/515,902 03/24/92
5,099,067 07/749,492 03/24/92
5,099,071 07/608,398 03/24/92
5,099,077 07/398,539 03/24/92
5,099,085 07/664,468 03/24/92
5,099,086 07/372,568 03/24/92
5,099,088 07/534,727 03/24/92
5,099,089 07/633,125 03/24/92
5,099,091 07/507,485 03/24/92
5,099,092 07/583,257 03/24/92
5,099,096 07/505,371 03/24/92
5,099,102 07/649,443 03/24/92
5,099,112 07/602,052 03/24/92
5,099,115 07/546,096 03/24/92
5,099,117 07/533,406 03/24/92
5,099,124 07/557,625 03/24/92
5,099,125 07/655,620 03/24/92
5,099,127 07/274,998 03/24/92
5,099,129 07/018,671 03/24/92
5,099,135 07/562,331 03/24/92
5,099,145 07/598,703 03/24/92
5,099,153 07/567,397 03/24/92
5,099,155 07/690,162 03/24/92
5,099,157 07/414,590 03/24/92
5,099,165 07/629,518 03/24/92
5,099,171 07/465,177 03/24/92
5,099,185 07/598,624 03/24/92
5,099,186 07/635,908 03/24/92
5,099,190 07/635,972 03/24/92
5,099,206 07/578,667 03/24/92
5,099,210 07/531,948 03/24/92
5,099,212 07/428,136 03/24/92
5,099,216 07/267,258 03/24/92
5,099,218 07/623,594 03/24/92
5,099,220 07/550,799 03/24/92
5,099,221 07/750,435 03/24/92
5,099,222 07/572,049 03/24/92
5,099,261 07/347,640 03/24/92
5,099,265 07/511,650 03/24/92
5,099,277 07/444,813 03/24/92
5,099,278 07/557,210 03/24/92
5,099,281 07/597,894 03/24/92
5,099,285 07/538,020 03/24/92
5,099,287 07/255,726 03/24/92
5,099,293 07/446,438 03/24/92
5,099,299 07/538,625 03/24/92
5,099,300 07/538,252 03/24/92
5,099,311 07/642,736 03/24/92
5,099,324 07/544,588 03/24/92
5,099,327 07/537,235 03/24/92
5,099,333 07/397,753 03/24/92
5,099,341 07/545,832 03/24/92
5,099,349 07/477,538 03/24/92
5,099,354 07/604,815 03/24/92
5,099,358 07/462,819 03/24/92
5,099,360 07/636,499 03/24/92
5,099,362 07/568,264 03/24/92
5,099,367 07/502,514 03/24/92
5,099,368 07/394,471 03/24/92
5,099,370 07/486,402 03/24/92
5,099,375 07/470,150 03/24/92
5,099,378 07/398,069 03/24/92
5,099,382 07/463,472 03/24/92
5,099,385 07/473,502 03/24/92
5,099,398 07/658,316 03/24/92
5,099,403 07/583,024 03/24/92
5,099,415 07/311,666 03/24/92
5,099,421 07/292,292 03/24/92
5,099,431 07/425,611 03/24/92
5,099,434 07/562,294 03/24/92
5,099,441 07/200,288 03/24/92
5,099,450 07/247,622 03/24/92
5,099,458 07/474,048 03/24/92
5,099,459 07/504,765 03/24/92
5,099,461 07/310,195 03/24/92
5,099,512 07/409,412 03/24/92
5,099,518 07/555,956 03/24/92
PATENTS WHICH EXPIRED ON March 26, 2000
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,500,955 08/207,923 03/26/96
5,500,961 08/395,956 03/26/96
5,500,963 08/240,171 03/26/96
5,500,966 08/222,532 03/26/96
5,500,972 08/334,943 03/26/96
5,500,973 08/438,102 03/26/96
5,500,974 08/512,774 03/26/96
5,500,978 08/133,673 03/26/96
5,500,981 08/301,650 03/26/96
5,500,982 08/358,573 03/26/96
5,500,987 08/246,514 03/26/96
5,500,990 08/258,580 03/26/96
5,500,996 08/020,435 03/26/96
5,500,997 08/215,626 03/26/96
5,501,012 08/496,051 03/26/96
5,501,016 08/333,609 03/26/96
5,501,019 08/403,395 03/26/96
5,501,026 08/278,824 03/26/96
5,501,027 08/330,816 03/26/96
5,501,030 08/299,155 03/26/96
5,501,031 08/211,582 03/26/96
5,501,037 08/400,261 03/26/96
5,501,038 08/395,236 03/26/96
5,501,040 08/345,995 03/26/96
5,501,043 08/121,269 03/26/96
5,501,066 08/255,853 03/26/96
5,501,069 08/343,367 03/26/96
5,501,080 08/355,689 03/26/96
5,501,086 08/257,504 03/26/96
5,501,097 08/332,079 03/26/96
5,501,099 08/258,650 03/26/96
5,501,101 08/187,405 03/26/96
5,501,102 08/158,036 03/26/96
5,501,106 08/152,370 03/26/96
5,501,107 08/022,378 03/26/96
5,501,108 08/290,500 03/26/96
5,501,111 08/264,062 03/26/96
5,501,112 08/086,794 03/26/96
5,501,123 08/300,606 03/26/96
5,501,126 08/283,585 03/26/96
5,501,128 08/188,162 03/26/96
5,501,131 08/248,592 03/26/96
5,501,141 08/265,067 03/26/96
5,501,144 08/317,604 03/26/96
5,501,145 08/235,288 03/26/96
5,501,147 08/132,664 03/26/96
5,501,156 08/232,195 03/26/96
5,501,157 08/299,438 03/26/96
5,501,161 08/258,172 03/26/96
5,501,165 08/209,784 03/26/96
5,501,166 08/370,850 03/26/96
5,501,168 08/258,545 03/26/96
5,501,169 08/452,327 03/26/96
5,501,178 08/504,275 03/26/96
5,501,180 08/385,566 03/26/96
5,501,181 08/302,563 03/26/96
5,501,185 08/369,623 03/26/96
5,501,186 08/280,874 03/26/96
5,501,192 08/319,060 03/26/96
5,501,206 08/219,793 03/26/96
5,501,210 08/445,514 03/26/96
5,501,217 08/244,382 03/26/96
5,501,230 08/192,738 03/26/96
5,501,231 08/071,164 03/26/96
5,501,240 08/316,441 03/26/96
5,501,247 08/390,671 03/26/96
5,501,254 08/211,370 03/26/96
5,501,260 08/128,378 03/26/96
5,501,261 08/323,827 03/26/96
5,501,268 08/083,678 03/26/96
5,501,271 08/420,360 03/26/96
5,501,283 08/280,154 03/26/96
5,501,284 08/232,515 03/26/96
5,501,287 08/302,316 03/26/96
5,501,291 08/244,791 03/26/96
5,501,293 08/376,349 03/26/96
5,501,294 08/364,813 03/26/96
5,501,296 08/357,853 03/26/96
5,501,297 08/335,639 03/26/96
5,501,298 08/445,707 03/26/96
5,501,302 08/506,212 03/26/96
5,501,303 08/505,054 03/26/96
5,501,306 08/257,873 03/26/96
5,501,308 08/182,495 03/26/96
5,501,314 08/278,001 03/26/96
5,501,320 08/376,828 03/26/96
5,501,321 08/403,939 03/26/96
5,501,322 08/300,125 03/26/96
5,501,323 08/249,634 03/26/96
5,501,324 08/182,408 03/26/96
5,501,325 08/137,059 03/26/96
5,501,327 08/317,123 03/26/96
5,501,329 08/417,196 03/26/96
5,501,330 08/418,846 03/26/96
5,501,333 08/225,526 03/26/96
5,501,336 08/341,983 03/26/96
5,501,338 08/198,877 03/26/96
5,501,344 08/422,761 03/26/96
5,501,349 08/329,866 03/26/96
5,501,350 08/369,087 03/26/96
5,501,353 08/204,364 03/26/96
5,501,354 08/211,830 03/26/96
5,501,355 08/082,229 03/26/96
5,501,358 08/382,796 03/26/96
5,501,363 08/260,528 03/26/96
5,501,365 08/218,314 03/26/96
5,501,370 08/277,110 03/26/96
5,501,371 08/271,796 03/26/96
5,501,374 08/261,479 03/26/96
5,501,375 08/242,543 03/26/96
5,501,379 08/232,824 03/26/96
5,501,380 08/353,685 03/26/96
5,501,382 08/389,208 03/26/96
5,501,398 08/290,708 03/26/96
5,501,403 08/252,956 03/26/96
5,501,419 08/354,821 03/26/96
5,501,423 08/319,314 03/26/96
5,501,432 08/400,253 03/26/96
5,501,435 08/363,995 03/26/96
5,501,437 08/199,256 03/26/96
5,501,440 08/272,023 03/26/96
5,501,447 08/240,923 03/26/96
5,501,451 08/249,345 03/26/96
5,501,456 08/391,780 03/26/96
5,501,458 08/374,074 03/26/96
5,501,461 08/335,041 03/26/96
5,501,462 08/510,864 03/26/96
5,501,466 08/387,021 03/26/96
5,501,468 08/441,070 03/26/96
5,501,469 08/258,855 03/26/96
5,501,472 08/224,904 03/26/96
5,501,477 08/286,818 03/26/96
5,501,482 08/127,763 03/26/96
5,501,483 08/152,576 03/26/96
5,501,490 08/476,352 03/26/96
5,501,491 08/237,503 03/26/96
5,501,493 08/310,588 03/26/96
5,501,494 08/304,395 03/26/96
5,501,499 08/262,676 03/26/96
5,501,502 08/390,302 03/26/96
5,501,503 08/216,947 03/26/96
5,501,505 08/301,597 03/26/96
5,501,522 08/286,139 03/26/96
5,501,540 08/457,561 03/26/96
5,501,542 08/311,165 03/26/96
5,501,549 08/256,845 03/26/96
5,501,551 08/409,407 03/26/96
5,501,558 08/295,389 03/26/96
5,501,559 08/311,673 03/26/96
5,501,560 08/129,202 03/26/96
5,501,563 08/187,615 03/26/96
5,501,572 08/237,030 03/26/96
5,501,576 08/443,606 03/26/96
5,501,589 08/309,103 03/26/96
5,501,593 08/282,530 03/26/96
5,501,598 08/098,524 03/26/96
5,501,602 08/325,978 03/26/96
5,501,610 08/301,527 03/26/96
5,501,622 08/438,029 03/26/96
5,501,625 08/364,285 03/26/96
5,501,627 08/345,562 03/26/96
5,501,628 08/195,864 03/26/96
5,501,647 08/303,059 03/26/96
5,501,648 08/276,481 03/26/96
5,501,650 08/118,154 03/26/96
5,501,651 08/258,729 03/26/96
5,501,656 08/296,470 03/26/96
5,501,657 08/380,104 03/26/96
5,501,658 08/254,370 03/26/96
5,501,665 08/276,300 03/26/96
5,501,682 08/074,466 03/26/96
5,501,709 08/105,380 03/26/96
5,501,715 08/264,967 03/26/96
5,501,716 08/325,511 03/26/96
5,501,728 08/278,748 03/26/96
5,501,729 08/504,187 03/26/96
5,501,743 08/289,285 03/26/96
5,501,744 08/274,574 03/26/96
5,501,745 08/251,760 03/26/96
5,501,758 08/170,382 03/26/96
5,501,762 08/255,159 03/26/96
5,501,778 08/061,027 03/26/96
5,501,790 08/357,201 03/26/96
5,501,792 08/216,818 03/26/96
5,501,810 08/318,696 03/26/96
5,501,813 08/146,549 03/26/96
5,501,817 08/284,594 03/26/96
5,501,829 08/289,526 03/26/96
5,501,836 08/273,384 03/26/96
5,501,839 08/418,739 03/26/96
5,501,842 08/298,337 03/26/96
5,501,843 08/323,116 03/26/96
5,501,847 08/369,482 03/26/96
5,501,855 08/115,867 03/26/96
5,501,859 08/215,910 03/26/96
5,501,862 08/173,309 03/26/96
5,501,865 08/140,055 03/26/96
5,501,867 08/334,048 03/26/96
5,501,908 08/206,835 03/26/96
5,501,919 08/196,793 03/26/96
5,501,926 08/383,553 03/26/96
5,501,945 08/298,465 03/26/96
5,501,956 08/185,730 03/26/96
5,501,957 08/293,940 03/26/96
5,501,970 08/182,114 03/26/96
5,501,972 08/187,818 03/26/96
5,501,973 08/247,002 03/26/96
5,501,977 08/271,601 03/26/96
5,501,988 08/048,963 03/26/96
5,501,998 08/233,768 03/26/96
5,502,003 08/396,147 03/26/96
5,502,016 08/248,317 03/26/96
5,502,028 08/357,526 03/26/96
5,502,038 08/080,282 03/26/96
5,502,044 08/195,205 03/26/96
5,502,052 08/364,831 03/26/96
5,502,054 08/424,144 03/26/96
5,502,059 08/320,270 03/26/96
5,502,062 08/230,187 03/26/96
5,502,063 08/319,595 03/26/96
5,502,065 08/307,566 03/26/96
5,502,066 08/258,118 03/26/96
5,502,070 08/129,923 03/26/96
5,502,071 08/293,152 03/26/96
5,502,073 08/200,364 03/26/96
5,502,075 08/244,500 03/26/96
5,502,076 08/208,164 03/26/96
5,502,080 08/333,294 03/26/96
5,502,088 08/244,692 03/26/96
5,502,089 08/303,274 03/26/96
5,502,090 07/412,563 03/26/96
5,502,109 08/360,393 03/26/96
5,502,121 08/316,000 03/26/96
5,502,127 08/221,683 03/26/96
5,502,128 08/354,341 03/26/96
5,502,135 08/401,612 03/26/96
5,502,136 08/365,526 03/26/96
5,502,144 08/275,977 03/26/96
5,502,145 08/204,993 03/26/96
5,502,164 08/294,203 03/26/96
5,502,173 08/312,578 03/26/96
5,502,176 08/049,283 03/26/96
5,502,178 08/110,072 03/26/96
5,502,202 08/142,471 03/26/96
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