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 January 10, 2001 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Serial Issue Number Number Date 4,796,308 07/150,733 01/10/89 4,796,318 07/119,692 01/10/89 4,796,320 07/139,859 01/10/89 4,796,353 07/079,029 01/10/89 4,796,355 07/096,468 01/10/89 4,796,356 07/090,193 01/10/89 4,796,358 07/169,787 01/10/89 4,796,365 07/104,379 01/10/89 4,796,374 07/101,432 01/10/89 4,796,376 07/090,087 01/10/89 4,796,378 06/571,134 01/10/89 4,796,379 07/080,223 01/10/89 4,796,388 07/071,365 01/10/89 4,796,392 07/117,215 01/10/89 4,796,397 07/098,794 01/10/89 4,796,400 07/088,563 01/10/89 4,796,403 07/090,705 01/10/89 4,796,405 07/101,234 01/10/89 4,796,408 07/078,445 01/10/89 4,796,414 07/068,066 01/10/89 4,796,422 07/194,886 01/10/89 4,796,424 07/076,712 01/10/89 4,796,426 06/631,218 01/10/89 4,796,430 07/085,536 01/10/89 4,796,442 06/937,851 01/10/89 4,796,444 06/901,313 01/10/89 4,796,447 07/071,417 01/10/89 4,796,452 07/029,859 01/10/89 4,796,457 07/063,716 01/10/89 4,796,462 07/014,531 01/10/89 4,796,474 07/092,395 01/10/89 4,796,486 06/887,803 01/10/89 4,796,499 07/033,700 01/10/89 4,796,503 07/062,088 01/10/89 4,796,508 07/014,603 01/10/89 4,796,515 07/002,740 01/10/89 4,796,521 07/112,941 01/10/89 4,796,528 07/056,785 01/10/89 4,796,529 06/937,550 01/10/89 4,796,535 07/062,450 01/10/89 4,796,548 06/608,053 01/10/89 4,796,565 07/069,800 01/10/89 4,796,567 07/067,717 01/10/89 4,796,568 07/171,597 01/10/89 4,796,575 07/111,253 01/10/89 4,796,584 07/012,548 01/10/89 4,796,591 07/087,031 01/10/89 4,796,595 07/013,931 01/10/89 4,796,596 07/093,815 01/10/89 4,796,602 07/123,744 01/10/89 4,796,606 07/089,792 01/10/89 4,796,617 06/688,484 01/10/89 4,796,637 07/062,967 01/10/89 4,796,641 07/069,728 01/10/89 4,796,644 06/884,128 01/10/89 4,796,648 07/030,120 01/10/89 4,796,651 07/175,234 01/10/89 4,796,654 07/141,946 01/10/89 4,796,656 07/017,324 01/10/89 4,796,662 07/197,268 01/10/89 4,796,672 06/896,147 01/10/89 4,796,675 07/147,649 01/10/89 4,796,701 07/079,728 01/10/89 4,796,704 07/027,231 01/10/89 4,796,705 07/089,522 01/10/89 4,796,728 07/073,399 01/10/89 4,796,729 07/084,924 01/10/89 4,796,737 07/025,639 01/10/89 4,796,740 07/013,292 01/10/89 4,796,742 07/063,816 01/10/89 4,796,747 07/024,415 01/10/89 4,796,749 07/120,139 01/10/89 4,796,750 07/079,923 01/10/89 4,796,752 07/127,809 01/10/89 4,796,769 07/064,561 01/10/89 4,796,771 07/143,316 01/10/89 4,796,777 07/138,150 01/10/89 4,796,794 07/061,689 01/10/89 4,796,796 07/033,142 01/10/89 4,796,802 07/066,829 01/10/89 4,796,814 07/094,651 01/10/89 4,796,819 07/121,078 01/10/89 4,796,833 07/093,599 01/10/89 4,796,851 07/003,266 01/10/89 4,796,853 07/136,331 01/10/89 4,796,863 06/922,201 01/10/89 4,796,864 07/113,254 01/10/89 4,796,876 07/035,990 01/10/89 4,796,883 06/940,415 01/10/89 4,796,891 07/009,961 01/10/89 4,796,895 07/148,297 01/10/89 4,796,900 07/163,779 01/10/89 4,796,914 07/143,765 01/10/89 4,796,925 07/095,160 01/10/89 4,796,942 07/080,667 01/10/89 4,796,943 06/932,949 01/10/89 4,796,951 06/855,621 01/10/89 4,796,955 07/116,575 01/10/89 4,796,957 06/799,166 01/10/89 4,796,973 07/094,026 01/10/89 4,796,975 07/050,254 01/10/89 4,796,983 07/058,586 01/10/89 4,796,988 06/906,249 01/10/89 4,797,001 07/079,147 01/10/89 4,797,006 07/052,435 01/10/89 4,797,008 07/107,692 01/10/89 4,797,014 07/145,519 01/10/89 4,797,022 07/002,304 01/10/89 4,797,031 07/028,540 01/10/89 4,797,033 06/216,151 01/10/89 4,797,037 07/043,725 01/10/89 4,797,038 06/898,382 01/10/89 4,797,042 07/057,101 01/10/89 4,797,045 07/068,897 01/10/89 4,797,047 07/150,439 01/10/89 4,797,054 06/874,000 01/10/89 4,797,055 06/943,568 01/10/89 4,797,057 06/767,740 01/10/89 4,797,060 07/107,868 01/10/89 4,797,061 07/013,136 01/10/89 4,797,063 07/054,742 01/10/89 4,797,085 07/033,664 01/10/89 4,797,106 06/902,488 01/10/89 4,797,114 07/020,803 01/10/89 4,797,120 07/132,390 01/10/89 4,797,123 07/178,786 01/10/89 4,797,125 07/055,163 01/10/89 4,797,133 06/946,999 01/10/89 4,797,134 07/089,598 01/10/89 4,797,140 06/896,371 01/10/89 4,797,144 07/075,518 01/10/89 4,797,167 06/881,834 01/10/89 4,797,169 07/067,696 01/10/89 4,797,173 06/874,649 01/10/89 4,797,174 07/038,996 01/10/89 4,797,176 07/083,166 01/10/89 4,797,189 07/131,759 01/10/89 4,797,202 07/019,461 01/10/89 4,797,204 07/167,959 01/10/89 4,797,213 07/017,844 01/10/89 4,797,217 06/895,839 01/10/89 4,797,219 07/041,983 01/10/89 4,797,230 06/867,836 01/10/89 4,797,234 07/064,859 01/10/89 4,797,236 06/810,892 01/10/89 4,797,237 07/045,387 01/10/89 4,797,239 07/036,877 01/10/89 4,797,252 06/910,238 01/10/89 4,797,266 06/894,164 01/10/89 4,797,272 06/798,501 01/10/89 4,797,273 06/928,217 01/10/89 4,797,289 07/023,686 01/10/89 4,797,290 07/036,935 01/10/89 4,797,292 07/088,947 01/10/89 4,797,319 06/816,533 01/10/89 4,797,324 07/149,255 01/10/89 4,797,325 06/807,465 01/10/89 4,797,330 07/023,039 01/10/89 4,797,332 07/097,521 01/10/89 4,797,340 07/071,520 01/10/89 4,797,345 07/068,397 01/10/89 4,797,346 07/051,224 01/10/89 4,797,351 06/856,779 01/10/89 4,797,356 06/803,818 01/10/89 4,797,359 06/493,251 01/10/89 4,797,360 06/936,764 01/10/89 4,797,362 06/870,018 01/10/89 4,797,380 07/022,073 01/10/89 4,797,381 07/079,551 01/10/89 4,797,400 07/062,573 01/10/89 4,797,408 06/875,911 01/10/89 4,797,415 06/891,276 01/10/89 4,797,428 07/065,228 01/10/89 4,797,436 06/934,109 01/10/89 4,797,443 06/728,548 01/10/89 4,797,444 07/010,452 01/10/89 4,797,453 07/063,687 01/10/89 4,797,465 06/938,050 01/10/89 4,797,466 07/011,907 01/10/89 4,797,468 07/130,905 01/10/89 4,797,473 06/878,420 01/10/89 4,797,478 07/029,496 01/10/89 4,797,479 06/852,881 01/10/89 4,797,482 07/039,518 01/10/89 4,797,486 07/108,172 01/10/89 4,797,489 07/127,740 01/10/89 4,797,491 06/840,604 01/10/89 4,797,493 07/038,364 01/10/89 4,797,495 07/128,638 01/10/89 4,797,500 07/184,115 01/10/89 4,797,508 07/090,043 01/10/89 4,797,527 06/825,288 01/10/89 4,797,528 07/130,016 01/10/89 4,797,530 06/939,969 01/10/89 4,797,531 07/094,528 01/10/89 4,797,535 07/126,786 01/10/89 4,797,550 07/117,263 01/10/89 4,797,559 07/117,264 01/10/89 4,797,570 07/080,031 01/10/89 4,797,571 07/063,779 01/10/89 4,797,575 06/938,626 01/10/89 4,797,576 07/081,877 01/10/89 4,797,590 07/117,951 01/10/89 4,797,591 06/927,067 01/10/89 4,797,596 07/093,214 01/10/89 4,797,602 07/013,706 01/10/89 4,797,604 07/130,417 01/10/89 4,797,628 07/173,062 01/10/89 4,797,632 07/112,869 01/10/89 4,797,633 07/028,551 01/10/89 4,797,645 06/794,231 01/10/89 4,797,654 07/044,617 01/10/89 4,797,664 07/095,885 01/10/89 4,797,671 07/003,644 01/10/89 4,797,680 06/776,264 01/10/89 4,797,683 06/913,898 01/10/89 4,797,689 07/138,626 01/10/89 4,797,695 07/105,503 01/10/89 4,797,711 07/094,519 01/10/89 4,797,716 07/059,365 01/10/89 4,797,720 06/288,001 01/10/89 4,797,723 07/096,212 01/10/89 4,797,727 06/521,510 01/10/89 4,797,728 06/886,077 01/10/89 4,797,736 07/092,233 01/10/89 4,797,750 06/852,738 01/10/89 4,797,754 06/941,645 01/10/89 4,797,755 06/914,471 01/10/89 4,797,759 06/911,150 01/10/89 4,797,761 06/874,003 01/10/89 4,797,764 06/823,190 01/10/89 4,797,778 07/058,874 01/10/89 4,797,782 07/054,178 01/10/89 4,797,783 07/106,891 01/10/89 4,797,784 07/101,893 01/10/89 4,797,786 07/102,239 01/10/89 4,797,789 07/050,104 01/10/89 4,797,796 07/118,607 01/10/89 4,797,799 07/154,312 01/10/89 4,797,801 07/162,904 01/10/89 4,797,802 07/128,445 01/10/89 4,797,812 06/874,995 01/10/89 4,797,817 06/940,315 01/10/89 4,797,820 06/890,170 01/10/89 4,797,824 07/181,522 01/10/89 4,797,827 06/899,778 01/10/89 4,797,838 07/120,903 01/10/89 4,797,842 07/097,382 01/10/89 4,797,851 06/812,926 01/10/89 4,797,855 07/000,700 01/10/89 4,797,861 07/175,274 01/10/89 4,797,862 07/015,091 01/10/89 4,797,872 07/084,844 01/10/89 4,797,881 07/025,386 01/10/89 4,797,887 06/921,517 01/10/89 4,797,890 06/946,324 01/10/89 4,797,891 06/941,842 01/10/89 4,797,895 06/881,260 01/10/89 4,797,900 07/091,489 01/10/89 4,797,903 07/051,640 01/10/89 4,797,905 07/001,305 01/10/89 4,797,914 07/064,315 01/10/89 4,797,921 06/796,753 01/10/89 4,797,936 07/120,729 01/10/89 4,797,939 06/914,863 01/10/89 4,797,940 07/020,994 01/10/89 4,797,946 06/940,411 01/10/89 PATENTS WHICH EXPIRED ON January 5, 2001 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Serial Issue Number Number Date 5,175,895 07/515,861 01/05/93 5,175,905 07/732,784 01/05/93 5,175,906 07/531,945 01/05/93 5,175,907 07/703,262 01/05/93 5,175,917 07/808,482 01/05/93 5,175,934 07/887,480 01/05/93 5,175,946 07/757,849 01/05/93 5,175,951 07/633,418 01/05/93 5,175,952 07/731,991 01/05/93 5,175,954 07/859,094 01/05/93 5,175,955 07/818,868 01/05/93 5,175,967 07/694,772 01/05/93 5,175,973 07/690,072 01/05/93 5,175,974 07/826,348 01/05/93 5,175,976 07/706,810 01/05/93 5,175,983 07/808,957 01/05/93 5,175,992 07/662,704 01/05/93 5,176,001 07/767,895 01/05/93 5,176,005 07/917,430 01/05/93 5,176,006 07/826,881 01/05/93 5,176,007 07/814,440 01/05/93 5,176,009 07/827,469 01/05/93 5,176,014 07/669,472 01/05/93 5,176,017 07/543,836 01/05/93 5,176,023 07/819,724 01/05/93 5,176,024 07/557,569 01/05/93 5,176,029 07/880,234 01/05/93 5,176,031 07/609,270 01/05/93 5,176,033 07/576,852 01/05/93 5,176,038 07/690,916 01/05/93 5,176,043 07/613,834 01/05/93 5,176,046 07/750,863 01/05/93 5,176,060 07/793,886 01/05/93 5,176,066 07/654,688 01/05/93 5,176,068 07/561,187 01/05/93 5,176,069 07/892,136 01/05/93 5,176,070 07/806,604 01/05/93 5,176,081 07/673,815 01/05/93 5,176,088 07/819,248 01/05/93 5,176,102 07/853,588 01/05/93 5,176,104 07/460,186 01/05/93 5,176,106 07/606,514 01/05/93 5,176,109 07/836,616 01/05/93 5,176,116 07/812,691 01/05/93 5,176,126 07/594,059 01/05/93 5,176,127 07/646,561 01/05/93 5,176,129 07/663,382 01/05/93 5,176,130 07/775,295 01/05/93 5,176,134 07/798,819 01/05/93 5,176,136 07/741,145 01/05/93 5,176,149 07/814,331 01/05/93 5,176,152 07/607,292 01/05/93 5,176,154 07/687,009 01/05/93 5,176,158 07/783,940 01/05/93 5,176,159 07/766,732 01/05/93 5,176,170 07/740,447 01/05/93 5,176,176 07/792,342 01/05/93 5,176,187 07/601,838 01/05/93 5,176,191 07/733,671 01/05/93 5,176,192 07/624,312 01/05/93 5,176,195 07/868,547 01/05/93 5,176,197 07/771,808 01/05/93 5,176,218 07/708,641 01/05/93 5,176,227 07/739,338 01/05/93 5,176,228 07/643,532 01/05/93 5,176,235 07/688,644 01/05/93 5,176,244 07/760,150 01/05/93 5,176,245 07/732,084 01/05/93 5,176,248 07/827,752 01/05/93 5,176,252 07/795,236 01/05/93 5,176,259 07/884,151 01/05/93 5,176,261 07/638,311 01/05/93 5,176,264 07/787,363 01/05/93 5,176,265 07/879,893 01/05/93 5,176,268 07/713,695 01/05/93 5,176,272 07/698,918 01/05/93 5,176,275 07/494,301 01/05/93 5,176,280 07/680,532 01/05/93 5,176,283 07/832,436 01/05/93 5,176,284 07/610,510 01/05/93 5,176,286 07/747,684 01/05/93 5,176,294 07/645,265 01/05/93 5,176,295 07/798,984 01/05/93 5,176,297 07/537,567 01/05/93 5,176,298 07/721,634 01/05/93 5,176,301 07/715,681 01/05/93 5,176,304 07/802,480 01/05/93 5,176,309 07/704,094 01/05/93 5,176,312 07/745,052 01/05/93 5,176,313 07/421,470 01/05/93 5,176,317 07/720,661 01/05/93 5,176,323 07/685,096 01/05/93 5,176,326 07/627,334 01/05/93 5,176,327 07/764,973 01/05/93 5,176,329 07/818,942 01/05/93 5,176,332 07/452,619 01/05/93 5,176,334 07/710,521 01/05/93 5,176,346 07/709,625 01/05/93 5,176,353 07/676,585 01/05/93 5,176,356 07/798,967 01/05/93 5,176,361 07/674,094 01/05/93 5,176,362 07/691,890 01/05/93 5,176,364 07/575,118 01/05/93 5,176,369 07/810,108 01/05/93 5,176,379 07/755,545 01/05/93 5,176,380 07/717,345 01/05/93 5,176,382 07/236,359 01/05/93 5,176,385 07/754,751 01/05/93 5,176,387 07/678,023 01/05/93 5,176,388 07/802,900 01/05/93 5,176,397 07/736,296 01/05/93 5,176,400 07/727,649 01/05/93 5,176,403 07/648,984 01/05/93 5,176,413 07/689,787 01/05/93 5,176,418 07/814,648 01/05/93 5,176,424 07/898,399 01/05/93 5,176,425 07/726,154 01/05/93 5,176,428 07/774,901 01/05/93 5,176,430 07/613,069 01/05/93 5,176,438 07/800,275 01/05/93 5,176,440 07/834,482 01/05/93 5,176,444 07/711,862 01/05/93 5,176,445 07/565,945 01/05/93 5,176,465 07/572,394 01/05/93 5,176,466 07/908,205 01/05/93 5,176,472 07/706,269 01/05/93 5,176,476 07/411,260 01/05/93 5,176,477 07/639,451 01/05/93 5,176,478 07/675,162 01/05/93 5,176,490 07/705,436 01/05/93 5,176,501 07/628,353 01/05/93 5,176,503 07/866,509 01/05/93 5,176,508 07/736,586 01/05/93 5,176,511 07/795,040 01/05/93 5,176,528 07/896,940 01/05/93 5,176,530 07/765,132 01/05/93 5,176,535 07/841,854 01/05/93 5,176,536 07/715,490 01/05/93 5,176,539 07/853,581 01/05/93 5,176,545 07/680,341 01/05/93 5,176,554 07/904,644 01/05/93 5,176,560 07/749,698 01/05/93 5,176,561 07/771,406 01/05/93 5,176,568 07/855,547 01/05/93 5,176,569 07/690,685 01/05/93 5,176,573 07/748,573 01/05/93 5,176,576 07/620,882 01/05/93 5,176,578 07/831,409 01/05/93 5,176,580 07/775,199 01/05/93 5,176,581 07/711,649 01/05/93 5,176,589 07/150,416 01/05/93 5,176,592 07/792,657 01/05/93 5,176,595 07/678,701 01/05/93 5,176,599 07/774,350 01/05/93 5,176,602 07/516,790 01/05/93 5,176,603 07/621,470 01/05/93 5,176,604 07/896,874 01/05/93 5,176,618 07/573,601 01/05/93 5,176,630 07/572,034 01/05/93 5,176,640 07/752,533 01/05/93 5,176,647 07/709,703 01/05/93 5,176,649 07/646,175 01/05/93 5,176,659 07/662,404 01/05/93 5,176,661 07/776,726 01/05/93 5,176,665 07/643,298 01/05/93 5,176,673 07/671,014 01/05/93 5,176,675 07/625,639 01/05/93 5,176,676 07/684,812 01/05/93 5,176,683 07/688,683 01/05/93 5,176,688 07/731,820 01/05/93 5,176,691 07/580,551 01/05/93 5,176,697 07/590,354 01/05/93 5,176,715 07/741,388 01/05/93 5,176,717 07/732,987 01/05/93 5,176,728 07/764,532 01/05/93 5,176,729 07/783,894 01/05/93 5,176,734 07/704,194 01/05/93 5,176,737 07/652,705 01/05/93 5,176,740 07/635,444 01/05/93 5,176,741 07/595,974 01/05/93 5,176,744 07/742,795 01/05/93 5,176,772 07/589,215 01/05/93 5,176,773 07/549,841 01/05/93 5,176,776 07/524,561 01/05/93 5,176,779 07/654,382 01/05/93 5,176,781 07/647,342 01/05/93 5,176,802 07/732,644 01/05/93 5,176,804 07/622,539 01/05/93 5,176,808 07/431,798 01/05/93 5,176,810 07/710,052 01/05/93 5,176,811 07/649,514 01/05/93 5,176,823 07/687,060 01/05/93 5,176,826 07/601,194 01/05/93 5,176,827 07/737,614 01/05/93 5,176,834 07/703,236 01/05/93 5,176,854 07/711,414 01/05/93 5,176,856 07/819,278 01/05/93 5,176,864 07/364,135 01/05/93 5,176,869 07/746,639 01/05/93 5,176,871 07/775,275 01/05/93 5,176,872 07/836,966 01/05/93 5,176,873 07/635,546 01/05/93 5,176,884 07/690,993 01/05/93 5,176,888 07/694,085 01/05/93 5,176,892 07/622,913 01/05/93 5,176,893 07/416,190 01/05/93 5,176,895 07/726,839 01/05/93 5,176,896 07/210,538 01/05/93 5,176,898 07/838,987 01/05/93 5,176,899 07/797,776 01/05/93 5,176,908 07/861,744 01/05/93 5,176,909 07/590,230 01/05/93 5,176,918 07/633,018 01/05/93 5,176,931 07/851,215 01/05/93 5,176,933 07/737,412 01/05/93 5,176,937 07/649,373 01/05/93 5,176,941 07/444,032 01/05/93 5,176,948 07/805,868 01/05/93 5,176,959 07/660,811 01/05/93 5,176,960 07/782,957 01/05/93 5,176,991 07/826,568 01/05/93 5,176,992 07/820,181 01/05/93 5,177,003 07/615,541 01/05/93 5,177,004 07/757,867 01/05/93 5,177,008 07/537,779 01/05/93 5,177,009 07/381,179 01/05/93 5,177,018 07/766,412 01/05/93 5,177,019 07/702,484 01/05/93 5,177,034 07/787,364 01/05/93 5,177,049 07/746,903 01/05/93 5,177,062 07/325,649 01/05/93 5,177,069 07/623,107 01/05/93 5,177,070 07/793,039 01/05/93 5,177,077 07/728,492 01/05/93 5,177,082 07/599,541 01/05/93 5,177,084 07/795,291 01/05/93 5,177,085 07/805,662 01/05/93 5,177,087 07/461,114 01/05/93 5,177,089 07/557,713 01/05/93 5,177,094 07/628,097 01/05/93 5,177,096 07/590,207 01/05/93 5,177,102 07/695,121 01/05/93 5,177,103 07/616,155 01/05/93 5,177,110 07/689,399 01/05/93 5,177,113 07/883,617 01/05/93 5,177,115 07/793,724 01/05/93 5,177,116 07/901,010 01/05/93 5,177,127 07/646,886 01/05/93 5,177,129 07/688,842 01/05/93 5,177,131 07/727,120 01/05/93 5,177,135 07/621,497 01/05/93 5,177,139 07/654,612 01/05/93 5,177,145 07/653,841 01/05/93 5,177,156 07/701,910 01/05/93 5,177,157 07/571,964 01/05/93 5,177,158 07/543,212 01/05/93 5,177,161 07/497,561 01/05/93 5,177,173 06/583,820 01/05/93 5,177,175 07/604,061 01/05/93 5,177,184 07/833,280 01/05/93 5,177,198 07/443,781 01/05/93 5,177,209 07/689,398 01/05/93 5,177,210 07/748,312 01/05/93 5,177,220 07/639,087 01/05/93 5,177,222 07/608,844 01/05/93 5,177,227 07/639,463 01/05/93 5,177,232 07/727,590 01/05/93 5,177,233 07/686,616 01/05/93 5,177,238 07/730,752 01/05/93 5,177,242 07/809,803 01/05/93 5,177,245 07/797,659 01/05/93 5,177,257 07/776,385 01/05/93 5,177,268 07/863,896 01/05/93 5,177,286 07/544,270 01/05/93 5,177,287 07/786,072 01/05/93 5,177,291 07/798,508 01/05/93 5,177,294 07/700,290 01/05/93 5,177,295 07/812,262 01/05/93 5,177,300 07/790,905 01/05/93 5,177,304 07/557,561 01/05/93 5,177,306 07/405,698 01/05/93 5,177,318 07/777,081 01/05/93 5,177,326 07/779,909 01/05/93 5,177,329 07/706,908 01/05/93 5,177,330 07/730,395 01/05/93 5,177,334 07/755,225 01/05/93 5,177,335 07/465,507 01/05/93 5,177,338 07/803,668 01/05/93 5,177,341 07/159,916 01/05/93 5,177,343 07/630,252 01/05/93 5,177,345 07/664,914 01/05/93 5,177,352 07/711,235 01/05/93 5,177,356 07/764,193 01/05/93 5,177,362 07/608,987 01/05/93 5,177,368 07/779,239 01/05/93 5,177,374 07/592,148 01/05/93 5,177,375 07/628,696 01/05/93 5,177,377 07/700,426 01/05/93 5,177,379 07/723,578 01/05/93 5,177,392 07/640,752 01/05/93 5,177,396 07/630,148 01/05/93 5,177,397 07/458,464 01/05/93 5,177,407 07/289,951 01/05/93 5,177,408 07/732,829 01/05/93 5,177,418 07/619,984 01/05/93 5,177,426 07/279,108 01/05/93 5,177,427 07/673,939 01/05/93 5,177,433 07/643,787 01/05/93 5,177,437 07/564,812 01/05/93 5,177,447 07/610,213 01/05/93 5,177,455 07/823,967 01/05/93 5,177,459 07/690,785 01/05/93 5,177,460 07/460,997 01/05/93 5,177,467 07/804,037 01/05/93 5,177,473 07/676,448 01/05/93 5,177,485 07/566,346 01/05/93 5,177,487 07/644,370 01/05/93 5,177,493 07/663,334 01/05/93 5,177,495 07/439,177 01/05/93 5,177,497 07/686,761 01/05/93 5,177,501 07/604,642 01/05/93 5,177,508 07/770,668 01/05/93 5,177,513 07/850,904 01/05/93 5,177,516 07/769,729 01/05/93 5,177,517 07/722,578 01/05/93 5,177,528 07/887,789 01/05/93 5,177,535 07/687,735 01/05/93 5,177,551 07/759,359 01/05/93 5,177,559 07/701,936 01/05/93 5,177,563 07/305,472 01/05/93 5,177,568 07/738,604 01/05/93 5,177,575 07/622,074 01/05/93 5,177,578 07/574,865 01/05/93 5,177,588 07/785,952 01/05/93 5,177,591 07/747,733 01/05/93 5,177,606 07/766,068 01/05/93 5,177,607 07/748,886 01/05/93 5,177,611 07/560,943 01/05/93 5,177,612 07/709,947 01/05/93 5,177,628 07/513,731 01/05/93 5,177,632 07/680,306 01/05/93 5,177,635 07/578,580 01/05/93 5,177,645 07/770,601 01/05/93 5,177,665 07/769,962 01/05/93 5,177,667 07/783,631 01/05/93 5,177,671 07/771,350 01/05/93 5,177,675 07/778,311 01/05/93 5,177,690 07/465,143 01/05/93 5,177,700 07/814,265 01/05/93 5,177,701 07/788,439 01/05/93 5,177,702 07/555,325 01/05/93 5,177,708 07/260,132 01/05/93 5,177,712 07/876,552 01/05/93 5,177,717 07/754,229 01/05/93 5,177,733 07/688,033 01/05/93 5,177,748 07/740,973 01/05/93 5,177,750 07/737,625 01/05/93 5,177,751 07/694,092 01/05/93 5,177,761 07/778,499 01/05/93 5,177,773 07/674,406 01/05/93 5,177,774 07/749,277 01/05/93 5,177,781 07/586,007 01/05/93 5,177,782 07/575,076 01/05/93 5,177,787 07/771,851 01/05/93 5,177,796 07/600,480 01/05/93 5,177,800 07/534,738 01/05/93 5,177,804 07/850,465 01/05/93 5,177,807 07/779,232 01/05/93 PATENTS WHICH EXPIRED ON January 7, 2001 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Serial Issue Number Number Date 5,590,423 08/571,542 01/07/97 5,590,426 08/421,962 01/07/97 5,590,434 08/467,880 01/07/97 5,590,436 08/450,954 01/07/97 5,590,439 08/365,234 01/07/97 5,590,440 08/409,315 01/07/97 5,590,445 08/249,770 01/07/97 5,590,446 08/525,272 01/07/97 5,590,450 08/510,243 01/07/97 5,590,454 08/361,123 01/07/97 5,590,455 08/374,125 01/07/97 5,590,463 08/503,694 01/07/97 5,590,471 08/555,603 01/07/97 5,590,477 08/466,376 01/07/97 5,590,481 08/645,924 01/07/97 5,590,486 08/364,794 01/07/97 5,590,498 08/417,204 01/07/97 5,590,499 08/150,164 01/07/97 5,590,505 08/319,947 01/07/97 5,590,523 08/258,257 01/07/97 5,590,536 08/420,994 01/07/97 5,590,542 08/562,416 01/07/97 5,590,549 08/416,766 01/07/97 5,590,550 08/511,941 01/07/97 5,590,554 08/482,749 01/07/97 5,590,557 08/345,502 01/07/97 5,590,559 08/379,415 01/07/97 5,590,563 08/311,014 01/07/97 5,590,565 08/385,490 01/07/97 5,590,566 08/495,992 01/07/97 5,590,569 08/487,879 01/07/97 5,590,570 08/326,989 01/07/97 5,590,573 08/414,344 01/07/97 5,590,574 08/523,771 01/07/97 5,590,583 08/506,294 01/07/97 5,590,588 08/397,694 01/07/97 5,590,593 08/364,120 01/07/97 5,590,594 08/521,879 01/07/97 5,590,595 08/507,764 01/07/97 5,590,612 08/509,710 01/07/97 5,590,613 08/454,134 01/07/97 5,590,619 08/517,126 01/07/97 5,590,621 08/514,840 01/07/97 5,590,635 08/605,893 01/07/97 5,590,639 08/117,165 01/07/97 5,590,646 08/572,635 01/07/97 5,590,650 08/345,065 01/07/97 5,590,669 08/516,934 01/07/97 5,590,673 08/438,490 01/07/97 5,590,674 08/539,530 01/07/97 5,590,682 08/623,909 01/07/97 5,590,683 08/320,666 01/07/97 5,590,686 08/433,933 01/07/97 5,590,698 08/523,241 01/07/97 5,590,700 08/559,296 01/07/97 5,590,702 08/492,480 01/07/97 5,590,710 08/361,302 01/07/97 5,590,714 08/602,154 01/07/97 5,590,717 08/570,080 01/07/97 5,590,734 08/362,243 01/07/97 5,590,740 08/370,422 01/07/97 5,590,744 08/552,025 01/07/97 5,590,748 08/407,590 01/07/97 5,590,760 08/364,254 01/07/97 5,590,761 08/640,541 01/07/97 5,590,764 08/514,699 01/07/97 5,590,767 08/508,922 01/07/97 5,590,769 08/618,551 01/07/97 5,590,773 08/516,258 01/07/97 5,590,774 08/466,783 01/07/97 5,590,780 08/493,790 01/07/97 5,590,781 08/376,964 01/07/97 5,590,782 08/423,425 01/07/97 5,590,786 08/533,733 01/07/97 5,590,791 08/382,243 01/07/97 5,590,794 08/415,482 01/07/97 5,590,795 08/492,225 01/07/97 5,590,801 07/991,139 01/07/97 5,590,803 08/271,362 01/07/97 5,590,804 08/300,711 01/07/97 5,590,810 08/545,283 01/07/97 5,590,811 08/530,942 01/07/97 5,590,812 08/419,644 01/07/97 5,590,813 08/445,774 01/07/97 5,590,817 08/555,946 01/07/97 5,590,819 08/422,796 01/07/97 5,590,824 08/318,963 01/07/97 5,590,829 08/495,653 01/07/97 5,590,833 08/325,304 01/07/97 5,590,834 08/279,592 01/07/97 5,590,836 08/369,152 01/07/97 5,590,839 08/184,943 01/07/97 5,590,840 08/465,544 01/07/97 5,590,860 08/426,842 01/07/97 5,590,862 08/342,342 01/07/97 5,590,865 08/316,794 01/07/97 5,590,869 08/574,651 01/07/97 5,590,875 08/512,614 01/07/97 5,590,877 08/646,091 01/07/97 5,590,880 08/551,922 01/07/97 5,590,882 08/461,433 01/07/97 5,590,884 08/582,153 01/07/97 5,590,886 08/510,101 01/07/97 5,590,890 08/061,583 01/07/97 5,590,894 08/179,386 01/07/97 5,590,895 08/396,831 01/07/97 5,590,897 08/354,043 01/07/97 5,590,905 08/349,944 01/07/97 5,590,906 08/579,450 01/07/97 5,590,907 08/541,604 01/07/97 5,590,916 08/492,163 01/07/97 5,590,919 08/373,114 01/07/97 5,590,935 08/536,260 01/07/97 5,590,937 08/533,011 01/07/97 5,590,940 08/572,652 01/07/97 5,590,946 08/396,461 01/07/97 5,590,947 08/538,282 01/07/97 5,590,949 08/549,151 01/07/97 5,590,950 08/502,814 01/07/97 5,590,952 08/559,455 01/07/97 5,590,955 08/113,432 01/07/97 5,590,967 08/434,910 01/07/97 5,590,972 08/555,871 01/07/97 5,590,983 08/523,462 01/07/97 5,590,987 08/284,513 01/07/97 5,590,989 08/602,234 01/07/97 5,591,005 08/511,456 01/07/97 5,591,006 08/562,527 01/07/97 5,591,011 08/529,794 01/07/97 5,591,017 08/317,174 01/07/97 5,591,023 08/541,966 01/07/97 5,591,033 08/391,771 01/07/97 5,591,048 08/570,362 01/07/97 5,591,073 08/571,660 01/07/97 5,591,075 08/524,403 01/07/97 5,591,087 08/192,834 01/07/97 5,591,095 08/595,972 01/07/97 5,591,108 08/605,866 01/07/97 5,591,110 08/397,379 01/07/97 5,591,128 08/397,916 01/07/97 5,591,133 08/257,352 01/07/97 5,591,134 08/496,223 01/07/97 5,591,143 08/043,911 01/07/97 5,591,153 07/935,145 01/07/97 5,591,171 08/441,038 01/07/97 5,591,173 08/281,935 01/07/97 5,591,177 08/351,550 01/07/97 5,591,185 08/345,245 01/07/97 5,591,186 08/615,635 01/07/97 5,591,187 08/502,616 01/07/97 5,591,190 08/313,655 01/07/97 5,591,191 08/316,164 01/07/97 5,591,193 08/438,581 01/07/97 5,591,200 08/261,684 01/07/97 5,591,208 08/429,956 01/07/97 5,591,209 08/246,007 01/07/97 5,591,210 08/295,230 01/07/97 5,591,228 08/437,368 01/07/97 5,591,241 08/594,365 01/07/97 5,591,242 08/524,512 01/07/97 5,591,243 08/304,761 01/07/97 5,591,245 08/332,466 01/07/97 5,591,270 08/508,381 01/07/97 5,591,278 08/318,099 01/07/97 5,591,283 08/408,607 01/07/97 5,591,286 08/277,608 01/07/97 5,591,300 08/484,020 01/07/97 5,591,326 08/347,934 01/07/97 5,591,333 08/394,363 01/07/97 5,591,339 08/515,902 01/07/97 5,591,350 08/554,757 01/07/97 5,591,356 08/446,723 01/07/97 5,591,375 08/410,415 01/07/97 5,591,377 08/515,024 01/07/97 5,591,387 08/288,204 01/07/97 5,591,390 08/481,567 01/07/97 5,591,404 08/097,414 01/07/97 5,591,413 08/460,881 01/07/97 5,591,415 08/260,954 01/07/97 5,591,425 08/407,698 01/07/97 5,591,427 08/211,524 01/07/97 5,591,437 08/441,735 01/07/97 5,591,446 08/420,334 01/07/97 5,591,448 08/345,465 01/07/97 5,591,450 08/473,208 01/07/97 5,591,472 08/516,170 01/07/97 5,591,482 08/197,983 01/07/97 5,591,483 08/298,764 01/07/97 5,591,485 08/422,402 01/07/97 5,591,495 08/480,832 01/07/97 5,591,506 08/438,922 01/07/97 5,591,513 08/303,443 01/07/97 5,591,520 08/430,701 01/07/97 5,591,539 08/046,654 01/07/97 5,591,542 08/313,268 01/07/97 5,591,561 08/599,024 01/07/97 5,591,586 08/494,928 01/07/97 5,591,587 08/294,879 01/07/97 5,591,588 08/309,420 01/07/97 5,591,598 08/391,876 01/07/97 5,591,602 08/148,215 01/07/97 5,591,604 07/982,744 01/07/97 5,591,613 08/366,544 01/07/97 5,591,648 08/518,173 01/07/97 5,591,654 08/322,131 01/07/97 5,591,665 08/284,558 01/07/97 5,591,669 08/454,034 01/07/97 5,591,684 08/316,725 01/07/97 5,591,702 08/450,593 01/07/97 5,591,718 08/340,102 01/07/97 5,591,722 08/354,313 01/07/97 5,591,743 08/578,522 01/07/97 5,591,751 08/318,801 01/07/97 5,591,757 08/418,262 01/07/97 5,591,758 07/971,812 01/07/97 5,591,759 08/185,272 01/07/97 5,591,767 08/470,659 01/07/97 5,591,790 08/488,206 01/07/97 5,591,810 08/419,820 01/07/97 5,591,816 08/167,032 01/07/97 5,591,831 08/186,351 01/07/97 5,591,834 08/363,568 01/07/97 5,591,835 08/189,630 01/07/97 5,591,840 08/328,592 01/07/97 5,591,845 08/403,856 01/07/97 5,591,848 08/320,090 01/07/97 5,591,849 08/398,290 01/07/97 5,591,853 08/344,122 01/07/97 5,591,857 08/290,946 01/07/97 5,591,879 08/444,985 01/07/97 5,591,882 08/423,983 01/07/97 5,591,883 08/333,089 01/07/97 5,591,884 08/461,330 01/07/97 5,591,893 08/146,429 01/07/97 5,591,894 08/543,396 01/07/97 5,591,900 08/311,607 01/07/97 5,591,901 08/226,958 01/07/97 5,591,902 08/411,096 01/07/97 5,591,923 08/488,603 01/07/97 5,591,931 08/373,442 01/07/97 5,591,937 08/348,664 01/07/97 5,591,947 08/307,718 01/07/97 5,591,955 08/340,285 01/07/97 5,591,959 08/331,369 01/07/97 5,591,976 08/312,250 01/07/97 5,592,006 08/530,014 01/07/97 5,592,019 08/416,196 01/07/97 5,592,036 08/276,476 01/07/97 5,592,038 08/266,002 01/07/97 5,592,039 07/556,248 01/07/97 5,592,048 08/516,885 01/07/97 5,592,053 08/349,794 01/07/97 5,592,066 08/559,845 01/07/97 5,592,071 08/371,322 01/07/97 5,592,072 08/377,575 01/07/97 5,592,112 08/601,537 01/07/97 5,592,116 08/417,258 01/07/97 5,592,133 08/213,634 01/07/97 5,592,134 08/384,536 01/07/97 5,592,137 07/951,208 01/07/97 5,592,141 08/227,525 01/07/97 5,592,144 08/303,669 01/07/97 5,592,146 08/553,856 01/07/97 5,592,147 08/077,488 01/07/97 5,592,159 08/496,935 01/07/97 5,592,169 08/360,353 01/07/97 5,592,174 08/378,436 01/07/97 5,592,205 08/191,280 01/07/97 5,592,247 08/493,679 01/07/97 5,592,282 08/278,173 01/07/97 5,592,283 08/415,842 01/07/97 5,592,285 08/571,084 01/07/97 5,592,320 08/260,152 01/07/97 5,592,351 08/376,122 01/07/97 5,592,352 08/464,909 01/07/97 5,592,354 08/347,288 01/07/97 5,592,359 08/275,941 01/07/97 5,592,366 08/314,857 01/07/97 5,592,369 08/303,758 01/07/97 5,592,378 08/293,470 01/07/97 5,592,386 08/499,649 01/07/97 5,592,394 08/522,038 01/07/97 5,592,400 08/294,134 01/07/97 5,592,403 08/029,870 01/07/97 5,592,437 08/126,064 01/07/97 5,592,445 08/321,547 01/07/97 5,592,484 08/455,826 01/07/97 5,592,527 08/504,092 01/07/97 5,592,529 08/314,999 01/07/97 5,592,538 08/028,959 01/07/97 5,592,550 08/347,337 01/07/97 5,592,554 08/235,985 01/07/97 5,592,563 08/457,750 01/07/97 5,592,567 08/416,838 01/07/97 5,592,579 08/658,769 01/07/97 5,592,582 08/351,299 01/07/97 5,592,597 08/195,112 01/07/97 5,592,605 08/285,036 01/07/97 5,592,616 08/481,634 01/07/97 5,592,627 08/321,176 01/07/97 5,592,639 08/176,675 01/07/97 5,592,642 08/326,657 01/07/97 5,592,643 08/326,659 01/07/97 5,592,644 08/326,660 01/07/97 5,592,645 08/326,661 01/07/97 5,592,646 08/326,662 01/07/97 5,592,653 08/230,097 01/07/97 5,592,661 07/914,902 01/07/97 5,592,674 08/359,810 01/07/97 5,592,684 08/279,758 01/07/97