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Patent Issue Date Details
This table shows patent issue date data.
Grant Date shotgunLast Utility
patent number
Utility Count Datamp CountWithdrawn count
1951-01-022,537,00298721
1951-01-092,537,94294050
1951-01-162,538,74280011
1951-01-232,539,38063811
1951-01-302,540,07369330
1951-02-062,541,01093730
1951-02-132,541,97496432
1951-02-202,542,96899440
1951-02-272,543,74377540
1951-03-062,544,63689310
1951-03-132,545,44180541
1951-03-202,546,14069911
1951-03-272,546,95781750
1951-04-032,547,91996214
1951-04-102,548,85193240
1951-04-172,549,75290140
1951-04-242,550,66691440
1951-05-012,551,57090435
1951-05-082,552,50693620
1951-05-152,553,5351,02930
1951-05-222,554,48194631
1951-05-292,555,29981830
1951-06-052,556,15585630
1951-06-122,557,05890352
1951-06-192,557,92086271
1951-06-262,558,71579552
1951-07-032,559,57786230
1951-07-102,560,53095370
1951-07-172,561,32379310
1951-07-242,562,16083760
1951-07-312,562,87471460
1951-08-072,563,79992522
1951-08-142,564,65485533
1951-08-212,565,46080610
1951-08-282,566,29483451
1951-09-042,567,16386930
1951-09-112,567,91575221
1951-09-182,568,69177650
1951-10-022,570,1791,48810
1951-10-092,571,08890902
1951-10-162,571,99190330
1951-10-232,572,82583421
1951-10-302,573,67384820
1951-11-062,574,45478151
1951-11-132,575,32186750
1951-11-202,576,08776620
1951-11-272,576,90882161
1951-12-042,577,72481650
1951-12-112,578,65092640
1951-12-182,579,45180160
1951-12-252,580,38493334
The 'shotgun' links will bring up a page that lets you quickly click on the utility patents issued on the date selected. Clicks in the Datamp Count column will bring up the patents in the datamp database that have the grant date of the row selected. Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.