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 February 24, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Application Issue
Number Number Date
4,644,591 06/766,949 02/24/87
4,644,592 06/843,704 02/24/87
4,644,601 06/698,178 02/24/87
4,644,604 06/766,518 02/24/87
4,644,608 06/570,914 02/24/87
4,644,610 06/647,973 02/24/87
4,644,613 06/789,328 02/24/87
4,644,631 06/755,726 02/24/87
4,644,635 06/780,669 02/24/87
4,644,650 06/800,463 02/24/87
4,644,661 06/828,441 02/24/87
4,644,664 06/357,710 02/24/87
4,644,665 06/616,564 02/24/87
4,644,666 06/753,139 02/24/87
4,644,670 06/732,636 02/24/87
4,644,671 06/715,684 02/24/87
4,644,673 06/792,212 02/24/87
4,644,675 06/700,741 02/24/87
4,644,679 06/859,004 02/24/87
4,644,681 06/713,235 02/24/87
4,644,683 06/754,170 02/24/87
4,644,690 06/777,245 02/24/87
4,644,698 06/869,589 02/24/87
4,644,731 06/719,120 02/24/87
4,644,735 06/740,401 02/24/87
4,644,741 06/619,335 02/24/87
4,644,742 06/460,639 02/24/87
4,644,743 06/717,974 02/24/87
4,644,746 06/814,385 02/24/87
4,644,757 06/701,282 02/24/87
4,644,758 06/792,606 02/24/87
4,644,763 06/883,528 02/24/87
4,644,768 06/630,390 02/24/87
4,644,769 06/883,867 02/24/87
4,644,773 06/772,480 02/24/87
4,644,774 06/808,029 02/24/87
4,644,780 06/543,662 02/24/87
4,644,782 06/829,416 02/24/87
4,644,789 06/811,423 02/24/87
4,644,791 06/641,677 02/24/87
4,644,793 06/770,831 02/24/87
4,644,798 06/770,664 02/24/87
4,644,801 06/767,891 02/24/87
4,644,805 06/680,126 02/24/87
4,644,813 06/633,996 02/24/87
4,644,819 06/777,206 02/24/87
4,644,836 06/749,877 02/24/87
4,644,839 06/852,390 02/24/87
4,644,852 06/657,633 02/24/87
4,644,854 06/716,737 02/24/87
4,644,857 06/780,835 02/24/87
4,644,873 06/696,180 02/24/87
4,644,882 06/876,224 02/24/87
4,644,886 06/851,816 02/24/87
4,644,898 06/780,512 02/24/87
4,644,909 06/731,894 02/24/87
4,644,911 06/657,685 02/24/87
4,644,912 06/691,838 02/24/87
4,644,913 06/782,778 02/24/87
4,644,917 06/826,536 02/24/87
4,644,918 06/851,813 02/24/87
4,644,920 06/757,545 02/24/87
4,644,925 06/813,888 02/24/87
4,644,931 06/863,183 02/24/87
4,644,932 06/598,306 02/24/87
4,644,939 06/699,829 02/24/87
4,644,940 06/714,184 02/24/87
4,644,943 06/632,851 02/24/87
4,644,954 06/745,836 02/24/87
4,644,967 06/759,665 02/24/87
4,644,973 06/782,368 02/24/87
4,644,974 06/665,205 02/24/87
4,644,981 06/738,031 02/24/87
4,644,990 06/771,605 02/24/87
4,644,994 06/743,829 02/24/87
4,644,995 06/749,406 02/24/87
4,644,999 06/695,148 02/24/87
4,645,029 06/795,862 02/24/87
4,645,031 06/721,397 02/24/87
4,645,038 06/800,003 02/24/87
4,645,043 06/746,771 02/24/87
4,645,045 06/703,291 02/24/87
4,645,048 06/505,225 02/24/87
4,645,049 06/646,331 02/24/87
4,645,050 06/733,150 02/24/87
4,645,062 06/731,957 02/24/87
4,645,078 06/588,897 02/24/87
4,645,082 06/793,490 02/24/87
4,645,090 06/779,219 02/24/87
4,645,091 06/798,982 02/24/87
4,645,098 06/701,968 02/24/87
4,645,103 06/614,286 02/24/87
4,645,104 06/892,873 02/24/87
4,645,105 06/694,761 02/24/87
4,645,107 06/753,262 02/24/87
4,645,110 06/766,989 02/24/87
4,645,111 06/281,320 02/24/87
4,645,125 06/708,263 02/24/87
4,645,129 06/804,953 02/24/87
4,645,131 06/686,017 02/24/87
4,645,132 06/722,888 02/24/87
4,645,135 06/790,701 02/24/87
4,645,137 06/850,613 02/24/87
4,645,142 06/564,476 02/24/87
4,645,144 06/808,544 02/24/87
4,645,150 06/814,363 02/24/87
4,645,156 06/602,316 02/24/87
4,645,161 06/760,976 02/24/87
4,645,164 06/598,886 02/24/87
4,645,170 06/843,131 02/24/87
4,645,174 06/734,937 02/24/87
4,645,182 06/750,744 02/24/87
4,645,185 06/748,609 02/24/87
4,645,190 06/771,776 02/24/87
4,645,194 06/769,605 02/24/87
4,645,195 06/751,655 02/24/87
4,645,197 06/654,857 02/24/87
4,645,199 06/695,077 02/24/87
4,645,200 06/738,238 02/24/87
4,645,203 06/486,563 02/24/87
4,645,206 06/593,575 02/24/87
4,645,212 06/811,690 02/24/87
4,645,215 06/775,470 02/24/87
4,645,225 06/816,850 02/24/87
4,645,235 06/767,185 02/24/87
4,645,241 06/807,177 02/24/87
4,645,243 06/857,018 02/24/87
4,645,245 06/784,771 02/24/87
4,645,253 06/826,821 02/24/87
4,645,254 06/848,584 02/24/87
4,645,260 06/676,109 02/24/87
4,645,265 06/805,431 02/24/87
4,645,268 06/810,619 02/24/87
4,645,276 06/762,831 02/24/87
4,645,296 06/683,986 02/24/87
4,645,297 06/690,907 02/24/87
4,645,299 06/586,087 02/24/87
4,645,300 06/635,936 02/24/87
4,645,304 06/409,848 02/24/87
4,645,316 06/756,952 02/24/87
4,645,320 06/811,452 02/24/87
4,645,322 06/857,949 02/24/87
4,645,327 06/582,322 02/24/87
4,645,329 06/693,733 02/24/87
4,645,333 06/738,251 02/24/87
4,645,335 06/768,497 02/24/87
4,645,342 06/682,897 02/24/87
4,645,349 06/732,709 02/24/87
4,645,360 06/810,419 02/24/87
4,645,361 06/805,813 02/24/87
4,645,369 06/677,684 02/24/87
4,645,375 06/737,273 02/24/87
4,645,376 06/806,575 02/24/87
4,645,378 06/717,824 02/24/87
4,645,382 06/765,555 02/24/87
4,645,384 06/860,794 02/24/87
4,645,387 06/783,763 02/24/87
4,645,391 06/735,024 02/24/87
4,645,396 06/683,382 02/24/87
4,645,397 06/653,322 02/24/87
4,645,399 06/795,080 02/24/87
4,645,404 06/651,488 02/24/87
4,645,408 06/781,038 02/24/87
4,645,423 06/760,232 02/24/87
4,645,426 06/726,636 02/24/87
4,645,427 06/789,361 02/24/87
4,645,432 06/829,305 02/24/87
4,645,437 06/749,449 02/24/87
4,645,440 06/748,585 02/24/87
4,645,446 06/752,924 02/24/87
4,645,470 06/710,386 02/24/87
4,645,472 06/346,296 02/24/87
4,645,482 06/793,681 02/24/87
4,645,483 06/720,491 02/24/87
4,645,493 06/790,785 02/24/87
4,645,513 06/747,652 02/24/87
4,645,541 06/804,547 02/24/87
4,645,543 06/570,497 02/24/87
4,645,548 06/698,674 02/24/87
4,645,549 06/798,157 02/24/87
4,645,550 06/716,342 02/24/87
4,645,552 06/672,562 02/24/87
4,645,554 06/765,715 02/24/87
4,645,557 06/666,310 02/24/87
4,645,564 06/712,860 02/24/87
4,645,569 06/554,314 02/24/87
4,645,578 06/864,558 02/24/87
4,645,585 06/713,695 02/24/87
4,645,587 06/679,302 02/24/87
4,645,588 06/392,907 02/24/87
4,645,589 06/789,218 02/24/87
4,645,595 06/674,114 02/24/87
4,645,599 06/800,029 02/24/87
4,645,610 06/725,278 02/24/87
4,645,612 06/766,417 02/24/87
4,645,614 06/753,216 02/24/87
4,645,617 06/815,955 02/24/87
4,645,619 06/737,971 02/24/87
4,645,622 06/804,804 02/24/87
4,645,627 06/713,649 02/24/87
4,645,637 06/699,086 02/24/87
4,645,642 06/596,951 02/24/87
4,645,646 06/635,194 02/24/87
4,645,658 06/728,918 02/24/87
4,645,662 06/758,723 02/24/87
4,645,665 06/621,078 02/24/87
4,645,667 06/566,074 02/24/87
4,645,674 06/628,534 02/24/87
4,645,675 06/664,419 02/24/87
4,645,676 06/735,215 02/24/87
4,645,682 06/537,658 02/24/87
4,645,692 06/831,419 02/24/87
4,645,704 06/778,907 02/24/87
4,645,713 06/822,244 02/24/87
4,645,724 06/740,336 02/24/87
4,645,731 06/813,969 02/24/87
4,645,732 06/452,536 02/24/87
4,645,736 06/783,810 02/24/87
4,645,741 06/687,635 02/24/87
4,645,747 06/470,334 02/24/87
4,645,758 06/820,428 02/24/87
4,645,767 06/650,965 02/24/87
4,645,773 06/734,219 02/24/87
4,645,775 06/734,502 02/24/87
4,645,782 06/539,592 02/24/87
4,645,794 06/755,593 02/24/87
4,645,795 06/721,001 02/24/87
4,645,796 06/840,485 02/24/87
4,645,799 06/788,579 02/24/87
4,645,811 06/595,580 02/24/87
4,645,817 06/722,567 02/24/87
4,645,820 06/795,039 02/24/87
4,645,824 06/801,433 02/24/87
4,645,825 06/761,364 02/24/87
4,645,830 06/720,754 02/24/87
4,645,832 06/721,514 02/24/87
4,645,834 06/366,517 02/24/87
4,645,853 06/771,496 02/24/87
4,645,855 06/644,496 02/24/87
4,645,857 06/829,674 02/24/87
4,645,858 06/786,027 02/24/87
4,645,861 06/856,603 02/24/87
4,645,868 06/723,521 02/24/87
4,645,869 06/764,031 02/24/87
4,645,872 06/861,665 02/24/87
4,645,873 06/694,134 02/24/87
4,645,877 06/834,810 02/24/87
4,645,881 06/662,860 02/24/87
4,645,887 06/803,299 02/24/87
4,645,893 06/783,042 02/24/87
4,645,895 06/719,308 02/24/87
4,645,903 06/627,833 02/24/87
4,645,907 06/754,461 02/24/87
4,645,908 06/635,140 02/24/87
4,645,912 06/588,309 02/24/87
4,645,915 06/649,635 02/24/87
4,645,917 06/739,632 02/24/87
4,645,923 06/658,297 02/24/87
4,645,931 06/711,944 02/24/87
4,645,937 06/670,914 02/24/87
4,645,939 06/763,649 02/24/87
4,645,940 06/808,725 02/24/87
4,645,947 06/810,036 02/24/87
4,645,951 06/646,110 02/24/87
4,645,954 06/789,884 02/24/87
4,645,958 06/679,998 02/24/87
4,645,961 06/482,180 02/24/87
4,645,967 06/698,300 02/24/87
4,645,970 06/668,412 02/24/87
4,645,976 06/856,846 02/24/87
4,645,983 06/790,977 02/24/87
4,645,987 06/808,206 02/24/87
4,645,990 06/760,458 02/24/87
4,646,000 06/669,693 02/24/87
4,646,002 06/608,782 02/24/87
4,646,004 06/743,928 02/24/87
4,646,014 06/534,587 02/24/87
4,646,028 06/644,410 02/24/87
4,646,031 06/698,992 02/24/87
4,646,034 06/659,891 02/24/87
4,646,043 06/716,677 02/24/87
4,646,051 06/802,489 02/24/87
4,646,054 06/743,945 02/24/87
4,646,059 06/673,221 02/24/87
4,646,060 06/648,868 02/24/87
4,646,077 06/571,047 02/24/87
4,646,079 06/649,584 02/24/87
4,646,083 06/604,284 02/24/87
4,646,084 06/747,243 02/24/87
4,646,092 06/498,469 02/24/87
4,646,095 06/766,171 02/24/87
4,646,114 06/687,894 02/24/87
4,646,116 06/675,483 02/24/87
4,646,127 06/831,890 02/24/87
4,646,133 06/683,437 02/24/87
4,646,138 06/715,811 02/24/87
4,646,142 06/654,557 02/24/87
4,646,144 06/774,646 02/24/87
4,646,162 06/578,395 02/24/87
4,646,167 06/738,032 02/24/87
4,646,174 06/527,133 02/24/87
4,646,178 06/703,034 02/24/87
4,646,185 06/677,191 02/24/87
4,646,203 06/698,770 02/24/87
4,646,204 06/827,705 02/24/87
4,646,208 06/808,838 02/24/87
4,646,216 06/704,863 02/24/87
4,646,220 06/618,219 02/24/87
4,646,221 06/739,235 02/24/87
4,646,225 06/673,747 02/24/87
4,646,230 06/505,817 02/24/87
4,646,236 06/573,225 02/24/87
4,646,237 06/558,249 02/24/87
4,646,241 06/623,055 02/24/87
4,646,245 06/621,479 02/24/87
4,646,246 06/760,611 02/24/87
4,646,250 06/662,163 02/24/87
4,646,251 06/783,492 02/24/87
4,646,265 06/695,776 02/24/87
4,646,278 06/676,430 02/24/87
4,646,296 06/628,744 02/24/87
4,646,305 06/535,636 02/24/87
4,646,308 06/782,765 02/24/87
4,646,324 06/700,434 02/24/87
4,646,328 06/756,228 02/24/87
4,646,329 06/725,572 02/24/87
4,646,341 06/716,986 02/24/87
4,646,349 06/700,378 02/24/87
4,646,355 06/712,306 02/24/87
4,646,356 06/626,494 02/24/87
4,646,357 06/710,481 02/24/87
4,646,359 06/727,430 02/24/87
PATENTS WHICH EXPIRED ON February 19, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
4,993,079 07/345,963 02/19/91
4,993,081 07/486,509 02/19/91
4,993,082 07/461,496 02/19/91
4,993,083 07/539,147 02/19/91
4,993,084 07/485,554 02/19/91
4,993,085 07/416,473 02/19/91
4,993,087 07/388,795 02/19/91
4,993,094 07/297,865 02/19/91
4,993,096 07/388,111 02/19/91
4,993,097 07/468,094 02/19/91
4,993,103 07/435,871 02/19/91
4,993,104 07/392,826 02/19/91
4,993,112 07/449,119 02/19/91
4,993,114 07/470,331 02/19/91
4,993,115 07/447,902 02/19/91
4,993,120 07/349,413 02/19/91
4,993,121 07/353,346 02/19/91
4,993,122 07/432,804 02/19/91
4,993,123 07/534,731 02/19/91
4,993,125 07/481,923 02/19/91
4,993,132 07/301,440 02/19/91
4,993,138 07/376,991 02/19/91
4,993,139 07/502,962 02/19/91
4,993,140 07/466,144 02/19/91
4,993,141 07/382,150 02/19/91
4,993,144 07/409,467 02/19/91
4,993,149 07/403,025 02/19/91
4,993,150 07/393,785 02/19/91
4,993,170 07/499,110 02/19/91
4,993,173 07/399,863 02/19/91
4,993,178 07/316,500 02/19/91
4,993,179 07/252,874 02/19/91
4,993,180 07/289,223 02/19/91
4,993,181 07/472,141 02/19/91
4,993,182 07/397,267 02/19/91
4,993,183 07/522,807 02/19/91
4,993,184 07/565,717 02/19/91
4,993,187 07/421,344 02/19/91
4,993,188 07/315,784 02/19/91
4,993,191 07/344,681 02/19/91
4,993,193 07/446,199 02/19/91
4,993,194 07/299,381 02/19/91
4,993,196 07/374,919 02/19/91
4,993,203 07/428,762 02/19/91
4,993,213 07/188,733 02/19/91
4,993,219 07/309,411 02/19/91
4,993,226 07/440,357 02/19/91
4,993,230 07/447,648 02/19/91
4,993,234 07/457,709 02/19/91
4,993,236 07/506,445 02/19/91
4,993,238 07/432,454 02/19/91
4,993,246 07/490,342 02/19/91
4,993,249 07/308,467 02/19/91
4,993,257 07/480,801 02/19/91
4,993,262 07/187,526 02/19/91
4,993,264 07/317,872 02/19/91
4,993,266 07/384,817 02/19/91
4,993,274 07/305,760 02/19/91
4,993,283 07/480,860 02/19/91
4,993,291 07/206,187 02/19/91
4,993,295 07/494,901 02/19/91
4,993,296 07/502,997 02/19/91
4,993,301 07/525,337 02/19/91
4,993,302 07/367,743 02/19/91
4,993,303 07/317,000 02/19/91
4,993,304 07/511,211 02/19/91
4,993,305 07/484,866 02/19/91
4,993,309 07/471,310 02/19/91
4,993,312 07/253,096 02/19/91
4,993,316 07/461,305 02/19/91
4,993,321 07/445,746 02/19/91
4,993,330 07/545,057 02/19/91
4,993,332 07/416,312 02/19/91
4,993,333 07/506,921 02/19/91
4,993,335 07/356,573 02/19/91
4,993,336 07/364,295 02/19/91
4,993,340 07/411,824 02/19/91
4,993,350 07/540,368 02/19/91
4,993,356 07/246,597 02/19/91
4,993,357 07/287,903 02/19/91
4,993,362 07/382,260 02/19/91
4,993,366 07/501,006 02/19/91
4,993,379 07/432,140 02/19/91
4,993,380 07/460,244 02/19/91
4,993,382 07/442,610 02/19/91
4,993,385 07/502,623 02/19/91
4,993,386 07/459,421 02/19/91
4,993,388 07/514,036 02/19/91
4,993,390 07/356,439 02/19/91
4,993,402 07/451,654 02/19/91
4,993,403 07/166,999 02/19/91
4,993,407 07/309,135 02/19/91
4,993,408 07/483,999 02/19/91
4,993,411 07/505,510 02/19/91
4,993,418 07/302,406 02/19/91
4,993,425 07/441,211 02/19/91
4,993,428 07/478,426 02/19/91
4,993,435 07/465,339 02/19/91
4,993,441 07/202,266 02/19/91
4,993,443 06/594,560 02/19/91
4,993,444 07/309,212 02/19/91
4,993,447 07/421,238 02/19/91
4,993,448 07/314,616 02/19/91
4,993,449 07/541,322 02/19/91
4,993,452 07/455,260 02/19/91
4,993,461 07/437,829 02/19/91
4,993,463 07/386,576 02/19/91
4,993,469 07/327,679 02/19/91
4,993,470 07/378,160 02/19/91
4,993,471 07/501,315 02/19/91
4,993,477 07/318,875 02/19/91
4,993,478 07/494,648 02/19/91
4,993,483 07/468,166 02/19/91
4,993,486 07/446,463 02/19/91
4,993,505 07/452,148 02/19/91
4,993,507 07/439,010 02/19/91
4,993,508 07/404,054 02/19/91
4,993,509 07/474,521 02/19/91
4,993,510 07/476,221 02/19/91
4,993,512 07/242,413 02/19/91
4,993,526 07/284,995 02/19/91
4,993,532 07/450,839 02/19/91
4,993,533 07/418,494 02/19/91
4,993,546 07/500,536 02/19/91
4,993,551 07/395,815 02/19/91
4,993,554 07/108,147 02/19/91
4,993,557 07/563,642 02/19/91
4,993,558 07/372,637 02/19/91
4,993,563 07/446,122 02/19/91
4,993,572 07/401,999 02/19/91
4,993,585 07/557,726 02/19/91
4,993,604 06/901,146 02/19/91
4,993,607 07/513,124 02/19/91
4,993,608 07/333,244 02/19/91
4,993,609 07/303,839 02/19/91
4,993,610 07/478,620 02/19/91
4,993,614 07/465,347 02/19/91
4,993,617 07/436,012 02/19/91
4,993,619 07/569,486 02/19/91
4,993,621 07/445,381 02/19/91
4,993,623 07/410,438 02/19/91
4,993,624 07/514,953 02/19/91
4,993,625 07/504,615 02/19/91
4,993,628 07/516,164 02/19/91
4,993,635 07/438,616 02/19/91
4,993,637 07/409,017 02/19/91
4,993,639 07/417,243 02/19/91
4,993,640 07/364,864 02/19/91
4,993,650 07/432,663 02/19/91
4,993,659 07/352,388 02/19/91
4,993,663 07/359,556 02/19/91
4,993,670 06/640,963 02/19/91
4,993,672 07/481,269 02/19/91
4,993,674 07/525,005 02/19/91
4,993,681 07/411,361 02/19/91
4,993,683 07/287,858 02/19/91
4,993,686 07/274,307 02/19/91
4,993,689 07/428,774 02/19/91
4,993,692 07/377,176 02/19/91
4,993,698 07/452,306 02/19/91
4,993,703 07/402,230 02/19/91
4,993,706 07/450,172 02/19/91
4,993,708 07/320,913 02/19/91
4,993,710 07/538,299 02/19/91
4,993,721 07/320,951 02/19/91
4,993,723 07/297,794 02/19/91
4,993,724 07/395,729 02/19/91
4,993,726 07/371,032 02/19/91
4,993,732 07/347,457 02/19/91
4,993,734 07/317,924 02/19/91
4,993,735 07/468,899 02/19/91
4,993,736 07/411,395 02/19/91
4,993,738 07/473,002 02/19/91
4,993,740 07/330,280 02/19/91
4,993,741 07/434,990 02/19/91
4,993,742 07/254,942 02/19/91
4,993,749 07/541,385 02/19/91
4,993,752 07/451,779 02/19/91
4,993,760 07/485,201 02/19/91
4,993,761 07/532,650 02/19/91
4,993,768 07/418,243 02/19/91
4,993,770 07/544,050 02/19/91
4,993,780 07/424,552 02/19/91
4,993,785 07/467,265 02/19/91
4,993,788 07/460,894 02/19/91
4,993,794 07/395,456 02/19/91
4,993,797 07/533,831 02/19/91
4,993,799 07/404,639 02/19/91
4,993,800 07/523,555 02/19/91
4,993,801 07/457,594 02/19/91
4,993,802 07/419,044 02/19/91
4,993,808 07/340,618 02/19/91
4,993,809 07/255,047 02/19/91
4,993,811 07/281,420 02/19/91
4,993,816 07/513,975 02/19/91
4,993,817 07/261,052 02/19/91
4,993,820 07/218,098 02/19/91
4,993,824 07/451,695 02/19/91
4,993,829 07/425,751 02/19/91
4,993,832 07/271,008 02/19/91
4,993,834 07/411,820 02/19/91
4,993,837 07/301,962 02/19/91
4,993,838 07/208,383 02/19/91
4,993,850 07/479,537 02/19/91
4,993,851 07/544,038 02/19/91
4,993,859 07/540,455 02/19/91
4,993,860 07/049,777 02/19/91
4,993,864 07/426,939 02/19/91
4,993,865 07/041,733 02/19/91
4,993,868 07/349,625 02/19/91
4,993,870 07/408,845 02/19/91
4,993,874 07/380,115 02/19/91
4,993,875 07/491,590 02/19/91
4,993,881 07/263,798 02/19/91
4,993,883 07/465,300 02/19/91
4,993,884 07/478,752 02/19/91
4,993,907 07/264,522 02/19/91
4,993,910 07/484,901 02/19/91
4,993,913 07/378,407 02/19/91
4,993,914 07/357,893 02/19/91
4,993,921 07/341,213 02/19/91
4,993,922 07/278,179 02/19/91
4,993,926 07/473,097 02/19/91
4,993,930 07/221,127 02/19/91
4,993,932 07/496,649 02/19/91
4,993,951 07/288,092 02/19/91
4,993,953 07/425,680 02/19/91
4,993,962 07/566,966 02/19/91
4,993,963 07/434,978 02/19/91
4,993,973 07/439,054 02/19/91
4,993,977 07/369,179 02/19/91
4,993,982 07/309,775 02/19/91
4,993,987 07/402,462 02/19/91
4,993,993 07/497,497 02/19/91
4,994,002 07/290,595 02/19/91
4,994,005 07/392,539 02/19/91
4,994,011 07/309,778 02/19/91
4,994,014 07/224,144 02/19/91
4,994,016 07/385,717 02/19/91
4,994,028 07/351,951 02/19/91
4,994,035 07/345,080 02/19/91
4,994,043 07/207,082 02/19/91
4,994,054 07/279,152 02/19/91
4,994,061 07/319,610 02/19/91
4,994,068 07/440,945 02/19/91
4,994,092 07/371,883 02/19/91
4,994,105 07/364,933 02/19/91
4,994,119 07/521,775 02/19/91
4,994,121 07/331,383 02/19/91
4,994,127 07/458,560 02/19/91
4,994,133 06/737,134 02/19/91
4,994,137 07/380,105 02/19/91
4,994,139 07/504,727 02/19/91
4,994,141 07/446,519 02/19/91
4,994,145 07/318,118 02/19/91
4,994,159 07/468,560 02/19/91
4,994,163 07/521,520 02/19/91
4,994,164 07/453,032 02/19/91
4,994,170 07/282,172 02/19/91
4,994,174 07/453,820 02/19/91
4,994,184 07/533,030 02/19/91
4,994,187 07/394,489 02/19/91
4,994,189 07/252,575 02/19/91
4,994,192 07/465,835 02/19/91
4,994,193 07/404,991 02/19/91
4,994,195 07/369,162 02/19/91
4,994,196 07/421,286 02/19/91
4,994,202 07/491,579 02/19/91
4,994,211 07/402,474 02/19/91
4,994,215 07/214,796 02/19/91
4,994,216 07/260,517 02/19/91
4,994,218 07/373,055 02/19/91
4,994,219 07/367,824 02/19/91
4,994,220 07/590,528 02/19/91
4,994,233 07/302,500 02/19/91
4,994,237 07/435,332 02/19/91
4,994,240 07/506,536 02/19/91
4,994,250 07/414,471 02/19/91
4,994,256 07/522,640 02/19/91
4,994,262 07/356,962 02/19/91
4,994,270 07/179,773 02/19/91
4,994,272 07/403,012 02/19/91
4,994,281 07/119,361 02/19/91
4,994,286 07/461,339 02/19/91
4,994,292 07/418,302 02/19/91
4,994,313 07/394,292 02/19/91
4,994,315 07/377,233 02/19/91
4,994,325 07/187,236 02/19/91
4,994,329 07/436,647 02/19/91
4,994,347 07/288,916 02/19/91
4,994,361 07/441,302 02/19/91
4,994,362 07/282,385 02/19/91
4,994,370 07/292,814 02/19/91
4,994,376 07/054,617 02/19/91
4,994,386 07/072,354 02/19/91
4,994,388 07/181,853 02/19/91
4,994,398 07/157,853 02/19/91
4,994,403 07/457,990 02/19/91
4,994,405 07/439,314 02/19/91
4,994,407 07/247,053 02/19/91
4,994,414 07/221,527 02/19/91
4,994,416 07/444,479 02/19/91
4,994,419 07/580,012 02/19/91
4,994,436 07/321,833 02/19/91
4,994,443 07/257,409 02/19/91
4,994,445 07/498,444 02/19/91
4,994,446 07/293,136 02/19/91
4,994,450 07/309,687 02/19/91
4,994,458 07/516,398 02/19/91
4,994,461 07/401,453 02/19/91
4,994,463 07/281,545 02/19/91
4,994,466 07/537,589 02/19/91
4,994,469 07/301,887 02/19/91
4,994,474 07/306,499 02/19/91
4,994,475 07/452,343 02/19/91
4,994,478 07/357,623 02/19/91
4,994,480 07/337,201 02/19/91
4,994,484 07/469,893 02/19/91
4,994,486 07/456,011 02/19/91
4,994,493 06/890,318 02/19/91
4,994,494 07/450,493 02/19/91
4,994,496 07/094,515 02/19/91
4,994,497 07/419,698 02/19/91
4,994,501 07/509,058 02/19/91
4,994,505 07/271,447 02/19/91
4,994,514 07/229,367 02/19/91
4,994,519 07/153,903 02/19/91
4,994,527 07/450,950 02/19/91
4,994,528 07/450,947 02/19/91
4,994,533 07/329,802 02/19/91
4,994,546 07/477,440 02/19/91
4,994,549 07/373,514 02/19/91
4,994,556 06/904,864 02/19/91
4,994,560 07/065,739 02/19/91
4,994,574 07/126,051 02/19/91
4,994,576 07/358,048 02/19/91
4,994,580 07/426,994 02/19/91
4,994,582 07/466,589 02/19/91
4,994,585 07/550,509 02/19/91
4,994,591 07/360,363 02/19/91
4,994,593 07/449,360 02/19/91
4,994,598 07/484,033 02/19/91
4,994,603 06/299,544 02/19/91
4,994,609 07/534,635 02/19/91
4,994,612 07/336,176 02/19/91
4,994,618 07/243,154 02/19/91
4,994,621 07/338,664 02/19/91
4,994,623 07/500,112 02/19/91
4,994,630 07/445,767 02/19/91
4,994,636 07/447,344 02/19/91
4,994,641 07/400,168 02/19/91
4,994,647 07/480,974 02/19/91
4,994,675 07/345,138 02/19/91
4,994,677 07/349,223 02/19/91
4,994,700 07/480,662 02/19/91
4,994,701 07/372,487 02/19/91
4,994,709 07/327,222 02/19/91
4,994,716 06/900,191 02/19/91
4,994,721 07/444,138 02/19/91
4,994,724 07/501,011 02/19/91
4,994,726 07/255,833 02/19/91
4,994,729 07/499,732 02/19/91
4,994,739 07/446,452 02/19/91
4,994,740 07/411,752 02/19/91
4,994,742 07/403,548 02/19/91
4,994,750 07/379,855 02/19/91
4,994,759 07/384,225 02/19/91
4,994,762 07/438,561 02/19/91
4,994,764 07/439,905 02/19/91
4,994,771 07/372,803 02/19/91
4,994,772 07/263,298 02/19/91
4,994,777 07/436,503 02/19/91
4,994,778 07/436,408 02/19/91
4,994,779 07/396,705 02/19/91
4,994,787 07/356,521 02/19/91
4,994,792 07/446,685 02/19/91
4,994,793 07/447,623 02/19/91
4,994,795 07/282,012 02/19/91
4,994,796 07/208,184 02/19/91
4,994,812 07/449,671 02/19/91
4,994,820 07/446,841 02/19/91
4,994,830 07/468,318 02/19/91
4,994,832 07/459,642 02/19/91
4,994,840 07/495,671 02/19/91
4,994,847 07/420,314 02/19/91
4,994,857 07/407,808 02/19/91
4,994,863 07/451,661 02/19/91
4,994,864 07/447,322 02/19/91
4,994,875 07/344,544 02/19/91
4,994,901 07/289,107 02/19/91
4,994,903 07/452,183 02/19/91
4,994,907 07/399,105 02/19/91
4,994,919 07/015,420 02/19/91
4,994,931 07/434,662 02/19/91
4,994,932 07/471,697 02/19/91
4,994,935 07/542,703 02/19/91
4,994,936 07/479,075 02/19/91
4,994,938 07/290,972 02/19/91
4,994,939 07/437,074 02/19/91
4,994,942 07/569,306 02/19/91
4,994,943 07/522,744 02/19/91
4,994,947 07/438,559 02/19/91
4,994,949 07/380,023 02/19/91
4,994,958 07/344,392 02/19/91
4,994,964 07/039,196 02/19/91
4,994,975 07/260,268 02/19/91
4,994,979 07/327,301 02/19/91
4,994,981 07/251,908 02/19/91
4,994,990 07/436,923 02/19/91
4,994,994 07/345,392 02/19/91
4,994,995 07/493,568 02/19/91
4,994,998 07/305,911 02/19/91
4,995,008 07/457,267 02/19/91
4,995,010 07/383,835 02/19/91
4,995,012 07/390,861 02/19/91
4,995,014 07/471,600 02/19/91
4,995,018 07/418,561 02/19/91
4,995,021 07/384,509 02/19/91
4,995,032 07/397,123 02/19/91
4,995,041 07/306,703 02/19/91
4,995,047 07/400,621 02/19/91
4,995,049 07/529,830 02/19/91
4,995,050 07/438,600 02/19/91
4,995,058 07/307,901 02/19/91
4,995,061 07/134,283 02/19/91
4,995,064 07/471,317 02/19/91
4,995,071 07/359,028 02/19/91
4,995,074 07/332,710 02/19/91
4,995,077 07/429,123 02/19/91
4,995,085 07/255,540 02/19/91
4,995,090 07/307,669 02/19/91
4,995,091 07/426,231 02/19/91
4,995,097 07/289,283 02/19/91
4,995,112 07/374,067 02/19/91
PATENTS WHICH EXPIRED ON February 21, 1999
DUE TO FAILURE TO PAY MAINTENANCE FEES
5,390,370 08/102,794 02/21/95
5,390,372 07/769,503 02/21/95
5,390,378 08/205,942 02/21/95
5,390,379 07/817,333 02/21/95
5,390,380 07/958,130 02/21/95
5,390,382 07/971,465 02/21/95
5,390,394 08/129,356 02/21/95
5,390,417 08/181,002 02/21/95
5,390,418 08/095,553 02/21/95
5,390,421 08/125,293 02/21/95
5,390,425 08/127,762 02/21/95
5,390,426 08/071,098 02/21/95
5,390,427 08/058,030 02/21/95
5,390,435 08/142,689 02/21/95
5,390,437 08/027,149 02/21/95
5,390,439 08/033,610 02/21/95
5,390,440 08/144,001 02/21/95
5,390,444 08/140,395 02/21/95
5,390,449 08/161,415 02/21/95
5,390,452 08/041,951 02/21/95
5,390,455 07/951,103 02/21/95
5,390,462 07/549,522 02/21/95
5,390,464 08/169,368 02/21/95
5,390,466 07/862,813 02/21/95
5,390,468 08/105,595 02/21/95
5,390,471 08/079,157 02/21/95
5,390,499 08/143,924 02/21/95
5,390,510 08/004,368 02/21/95
5,390,513 08/194,252 02/21/95
5,390,526 08/150,661 02/21/95
5,390,529 08/213,707 02/21/95
5,390,534 08/060,194 02/21/95
5,390,538 08/101,771 02/21/95
5,390,548 08/038,598 02/21/95
5,390,554 07/783,794 02/21/95
5,390,564 08/193,901 02/21/95
5,390,565 08/197,831 02/21/95
5,390,569 08/187,703 02/21/95
5,390,570 08/177,222 02/21/95
5,390,578 08/263,062 02/21/95
5,390,579 07/958,118 02/21/95
5,390,581 08/216,559 02/21/95
5,390,583 08/057,771 02/21/95
5,390,587 08/161,539 02/21/95
5,390,591 08/165,611 02/21/95
5,390,602 08/043,000 02/21/95
5,390,608 08/081,793 02/21/95
5,390,609 08/036,695 02/21/95
5,390,611 08/016,203 02/21/95
5,390,616 08/078,832 02/21/95
5,390,619 08/115,965 02/21/95
5,390,623 08/133,467 02/21/95
5,390,624 08/039,609 02/21/95
5,390,625 08/037,869 02/21/95
5,390,629 08/165,954 02/21/95
5,390,639 08/076,474 02/21/95
5,390,640 08/004,711 02/21/95
5,390,649 08/073,121 02/21/95
5,390,654 08/001,679 02/21/95
5,390,655 08/106,031 02/21/95
5,390,661 08/012,714 02/21/95
5,390,665 08/187,372 02/21/95
5,390,667 07/937,771 02/21/95
5,390,675 08/132,522 02/21/95
5,390,682 08/018,348 02/21/95
5,390,685 08/048,333 02/21/95
5,390,688 07/957,691 02/21/95
5,390,695 08/133,238 02/21/95
5,390,711 08/167,401 02/21/95
5,390,716 08/164,992 02/21/95
5,390,722 08/011,450 02/21/95
5,390,723 08/137,894 02/21/95
5,390,724 08/076,742 02/21/95
5,390,727 08/179,649 02/21/95
5,390,729 08/111,910 02/21/95
5,390,730 08/068,637 02/21/95
5,390,732 08/194,955 02/21/95
5,390,748 08/134,747 02/21/95
5,390,751 08/154,838 02/21/95
5,390,760 08/226,763 02/21/95
5,390,763 08/016,845 02/21/95
5,390,784 08/191,226 02/21/95
5,390,786 07/939,158 02/21/95
5,390,787 08/199,533 02/21/95
5,390,797 08/072,035 02/21/95
5,390,798 08/176,083 02/21/95
5,390,800 08/135,685 02/21/95
5,390,806 08/155,092 02/21/95
5,390,807 07/981,556 02/21/95
5,390,808 08/020,577 02/21/95
5,390,809 08/138,992 02/21/95
5,390,810 08/022,810 02/21/95
5,390,820 08/202,261 02/21/95
5,390,822 08/097,635 02/21/95
5,390,823 08/183,363 02/21/95
5,390,824 08/110,587 02/21/95
5,390,825 08/029,126 02/21/95
5,390,834 08/039,462 02/21/95
5,390,836 08/104,620 02/21/95
5,390,837 08/147,929 02/21/95
5,390,838 08/073,387 02/21/95
5,390,847 08/150,431 02/21/95
5,390,853 08/050,609 02/21/95
5,390,856 08/211,377 02/21/95
5,390,861 08/094,506 02/21/95
5,390,884 08/124,793 02/21/95
5,390,887 08/231,505 02/21/95
5,390,890 08/121,702 02/21/95
5,390,903 08/117,399 02/21/95
5,390,916 08/105,145 02/21/95
5,390,917 08/218,823 02/21/95
5,390,918 08/239,452 02/21/95
5,390,921 08/223,015 02/21/95
5,390,924 08/135,507 02/21/95
5,390,926 08/251,610 02/21/95
5,390,927 08/187,077 02/21/95
5,390,928 08/094,113 02/21/95
5,390,929 08/101,703 02/21/95
5,390,932 08/104,176 02/21/95
5,390,933 08/163,739 02/21/95
5,390,935 08/062,300 02/21/95
5,390,936 08/140,435 02/21/95
5,390,942 08/163,087 02/21/95
5,390,943 08/144,763 02/21/95
5,390,944 08/051,400 02/21/95
5,390,945 08/157,945 02/21/95
5,390,948 07/771,364 02/21/95
5,390,957 08/012,416 02/21/95
5,390,958 08/117,254 02/21/95
5,390,962 07/881,498 02/21/95
5,390,966 08/139,676 02/21/95
5,390,971 08/161,590 02/21/95
5,390,975 08/118,448 02/21/95
5,390,978 08/212,369 02/21/95
5,390,986 08/028,510 02/21/95
5,390,989 08/107,060 02/21/95
5,390,996 08/122,531 02/21/95
5,390,998 08/053,999 02/21/95
5,391,002 08/257,581 02/21/95
5,391,006 08/109,529 02/21/95
5,391,014 08/098,848 02/21/95
5,391,018 07/862,422 02/21/95
5,391,020 07/879,838 02/21/95
5,391,040 07/793,370 02/21/95
5,391,042 08/139,931 02/21/95
5,391,044 08/050,585 02/21/95
5,391,055 08/158,051 02/21/95
5,391,074 08/189,402 02/21/95
5,391,081 07/882,467 02/21/95
5,391,097 08/142,935 02/21/95
5,391,099 08/178,894 02/21/95
5,391,102 08/164,083 02/21/95
5,391,103 07/840,157 02/21/95
5,391,104 08/137,405 02/21/95
5,391,106 08/201,636 02/21/95
5,391,117 08/002,245 02/21/95
5,391,121 08/241,142 02/21/95
5,391,129 08/193,070 02/21/95
5,391,130 07/730,919 02/21/95
5,391,131 08/240,175 02/21/95
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