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 February 25, 1998
DUE TO FAILURE TO PAY MAINTENANCE FEES
Patent Number Serial Number Issue Date
Re. 33,443 07/157,572 11/20/90
(4,571,865) (06/537,530) (02/25/86)
4,571,744 06/603,298 02/25/86
4,571,750 06/581,949 02/25/86
4,571,754 06/477,600 02/25/86
4,571,755 06/571,000 02/25/86
4,571,759 06/547,761 02/25/86
4,571,768 06/640,688 02/25/86
4,571,770 06/658,615 02/25/86
4,571,779 06/491,179 02/25/86
4,571,796 06/674,686 02/25/86
4,571,802 06/605,351 02/25/86
4,571,803 06/620,745 02/25/86
4,571,806 06/624,819 02/25/86
4,571,810 06/574,347 02/25/86
4,571,821 06/526,719 02/25/86
4,571,822 06/557,005 02/25/86
4,571,831 06/636,429 02/25/86
4,571,844 06/502,087 02/25/86
4,571,846 06/689,899 02/25/86
4,571,851 06/634,819 02/25/86
4,571,853 06/616,856 02/25/86
4,571,855 06/553,888 02/25/86
4,571,859 06/689,558 02/25/86
4,571,862 06/654,816 02/25/86
4,571,864 06/668,021 02/25/86
4,571,868 06/643,774 02/25/86
4,571,869 06/589,466 02/25/86
4,571,881 06/520,846 02/25/86
4,571,884 06/568,639 02/25/86
4,571,887 06/593,397 02/25/86
4,571,889 06/573,673 02/25/86
4,571,893 06/593,421 02/25/86
4,571,898 06/447,637 02/25/86
4,571,899 06/489,514 02/25/86
4,571,904 06/539,580 02/25/86
4,571,905 06/600,178 02/25/86
4,571,916 06/558,729 02/25/86
4,571,927 06/572,747 02/25/86
4,571,931 06/673,020 02/25/86
4,571,940 06/693,814 02/25/86
4,571,941 06/333,555 02/25/86
4,571,947 06/611,393 02/25/86
4,571,959 06/741,962 02/25/86
4,571,960 06/431,766 02/25/86
4,571,969 06/532,415 02/25/86
4,571,971 06/638,260 02/25/86
4,571,978 06/579,977 02/25/86
4,571,979 06/687,224 02/25/86
4,571,981 06/590,006 02/25/86
4,571,985 06/552,883 02/25/86
4,571,993 06/583,926 02/25/86
4,571,996 06/639,560 02/25/86
4,572,024 06/637,767 02/25/86
4,572,026 06/529,470 02/25/86
4,572,032 06/747,124 02/25/86
4,572,036 06/718,203 02/25/86
4,572,041 06/732,581 02/25/86
4,572,042 06/624,734 02/25/86
4,572,050 06/553,554 02/25/86
4,572,054 06/583,601 02/25/86
4,572,056 06/669,443 02/25/86
4,572,061 06/559,230 02/25/86
4,572,062 06/689,424 02/25/86
4,572,064 06/613,096 02/25/86
4,572,067 06/676,183 02/25/86
4,572,069 06/707,503 02/25/86
4,572,072 06/447,949 02/25/86
4,572,077 06/670,118 02/25/86
4,572,079 06/643,865 02/25/86
4,572,085 06/698,705 02/25/86
4,572,088 06/708,852 02/25/86
4,572,091 06/553,065 02/25/86
4,572,092 06/534,516 02/25/86
4,572,106 06/677,840 02/25/86
4,572,108 06/619,300 02/25/86
4,572,117 06/712,017 02/25/86
4,572,144 06/593,310 02/25/86
4,572,148 06/629,582 02/25/86
4,572,151 06/635,180 02/25/86
4,572,160 06/686,075 02/25/86
4,572,166 06/494,371 02/25/86
4,572,170 06/617,693 02/25/86
4,572,192 06/534,367 02/25/86
4,572,214 06/328,581 02/25/86
4,572,220 06/509,641 02/25/86
4,572,222 06/407,738 02/25/86
4,572,224 06/664,161 02/25/86
4,572,228 06/685,540 02/25/86
4,572,232 06/636,311 02/25/86
4,572,238 06/573,928 02/25/86
4,572,243 06/511,908 02/25/86
4,572,254 06/588,210 02/25/86
4,572,259 06/609,127 02/25/86
4,572,277 06/705,552 02/25/86
4,572,287 06/604,149 02/25/86
4,572,290 06/577,144 02/25/86
4,572,293 06/646,617 02/25/86
4,572,294 06/610,556 02/25/86
4,572,296 06/653,027 02/25/86
4,572,303 06/512,543 02/25/86
4,572,306 06/679,547 02/25/86
4,572,307 06/591,783 02/25/86
4,572,310 06/635,570 02/25/86
4,572,314 06/602,835 02/25/86
4,572,318 06/618,355 02/25/86
4,572,319 06/657,191 02/25/86
4,572,321 06/357,325 02/25/86
4,572,322 06/506,962 02/25/86
4,572,325 06/546,195 02/25/86
4,572,328 06/711,733 02/25/86
4,572,336 06/505,596 02/25/86
4,572,337 06/597,157 02/25/86
4,572,348 06/551,738 02/25/86
4,572,354 06/606,181 02/25/86
4,572,355 06/657,135 02/25/86
4,572,376 06/615,742 02/25/86
4,572,379 06/624,347 02/25/86
4,572,392 06/736,273 02/25/86
4,572,403 06/575,824 02/25/86
4,572,404 06/578,627 02/25/86
4,572,412 06/638,727 02/25/86
4,572,422 06/655,104 02/25/86
4,572,434 06/559,679 02/25/86
4,572,437 06/484,281 02/25/86
4,572,440 06/274,804 02/25/86
4,572,446 06/592,835 02/25/86
4,572,447 06/648,895 02/25/86
4,572,452 06/674,231 02/25/86
4,572,455 06/626,977 02/25/86
4,572,459 06/585,971 02/25/86
4,572,469 06/710,288 02/25/86
4,572,470 06/305,487 02/25/86
4,572,474 06/585,973 02/25/86
4,572,475 06/691,903 02/25/86
4,572,479 06/622,187 02/25/86
4,572,483 06/616,188 02/25/86
4,572,499 06/615,041 02/25/86
4,572,501 06/510,323 02/25/86
4,572,516 06/743,915 02/25/86
4,572,521 06/643,570 02/25/86
4,572,522 06/730,585 02/25/86
4,572,527 06/599,061 02/25/86
4,572,532 06/633,966 02/25/86
4,572,536 06/498,324 02/25/86
4,572,537 06/652,655 02/25/86
4,572,542 06/453,919 02/25/86
4,572,544 06/605,774 02/25/86
4,572,548 06/539,074 02/25/86
4,572,558 06/584,008 02/25/86
4,572,570 06/620,971 02/25/86
4,572,571 06/619,629 02/25/86
4,572,575 06/423,582 02/25/86
4,572,577 06/639,844 02/25/86
4,572,588 06/583,941 02/25/86
4,572,589 06/717,961 02/25/86
4,572,592 06/628,882 02/25/86
4,572,593 06/619,822 02/25/86
4,572,594 06/578,221 02/25/86
4,572,603 06/625,997 02/25/86
4,572,606 06/674,138 02/25/86
4,572,607 06/604,209 02/25/86
4,572,610 06/612,426 02/25/86
4,572,613 06/616,360 02/25/86
4,572,619 06/574,084 02/25/86
4,572,625 06/606,399 02/25/86
4,572,626 06/558,177 02/25/86
4,572,630 06/585,092 02/25/86
4,572,651 06/378,173 02/25/86
4,572,660 06/586,834 02/25/86
4,572,671 06/514,296 02/25/86
4,572,675 06/622,989 02/25/86
4,572,683 06/565,186 02/25/86
4,572,693 06/679,312 02/25/86
4,572,712 06/627,753 02/25/86
4,572,720 06/528,572 02/25/86
4,572,721 06/618,463 02/25/86
4,572,725 06/675,845 02/25/86
4,572,727 06/599,046 02/25/86
4,572,732 06/634,300 02/25/86
4,572,737 06/624,867 02/25/86
4,572,741 06/565,612 02/25/86
4,572,744 06/422,080 02/25/86
4,572,748 06/722,763 02/25/86
4,572,749 06/587,297 02/25/86
4,572,750 06/624,290 02/25/86
4,572,755 06/427,186 02/25/86
4,572,781 06/584,955 02/25/86
4,572,783 06/695,680 02/25/86
4,572,784 06/659,674 02/25/86
4,572,789 06/592,743 02/25/86
4,572,794 06/453,047 02/25/86
4,572,799 06/723,600 02/25/86
4,572,804 06/682,528 02/25/86
4,572,808 06/629,279 02/25/86
4,572,810 06/651,499 02/25/86
4,572,816 06/564,056 02/25/86
4,572,822 06/587,387 02/25/86
4,572,824 06/667,027 02/25/86
4,572,827 06/594,150 02/25/86
4,572,828 06/701,425 02/25/86
4,572,836 06/675,951 02/25/86
4,572,839 06/726,941 02/25/86
4,572,841 06/687,365 02/25/86
4,572,845 06/620,890 02/25/86
4,572,848 06/635,201 02/25/86
4,572,857 06/698,718 02/25/86
4,572,858 06/674,431 02/25/86
4,572,859 06/722,762 02/25/86
4,572,863 06/759,726 02/25/86
4,572,867 06/545,663 02/25/86
4,572,868 06/600,963 02/25/86
4,572,876 06/718,773 02/25/86
4,572,879 06/482,994 02/25/86
4,572,883 06/619,109 02/25/86
4,572,895 06/690,283 02/25/86
4,572,897 06/539,305 02/25/86
4,572,901 06/507,430 02/25/86
4,572,902 06/698,940 02/25/86
4,572,906 06/656,851 02/25/86
4,572,916 06/553,867 02/25/86
4,572,918 06/766,621 02/25/86
4,572,919 06/702,995 02/25/86
4,572,923 06/547,437 02/25/86
4,572,924 06/495,742 02/25/86
4,572,927 06/473,484 02/25/86
4,572,935 06/702,724 02/25/86
4,572,938 06/571,215 02/25/86
4,572,945 06/675,281 02/25/86
4,572,946 06/609,783 02/25/86
4,572,947 06/615,019 02/25/86
4,572,958 06/646,392 02/25/86
4,572,961 06/601,514 02/25/86
4,572,967 06/415,070 02/25/86
4,572,975 06/595,905 02/25/86
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4,901,382 07/221,756 02/20/90
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