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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
1950-01-032,493,73479150
1950-01-102,494,53079690
1950-01-172,495,20267230
1950-01-242,495,67747561
1950-01-312,496,25557851
1950-02-072,497,059804102
1950-02-142,497,84278380
1950-02-212,498,62778511
1950-02-282,499,344717103
1950-03-072,500,14379982
1950-03-142,500,918775100
1950-03-212,501,650732120
1950-03-282,502,40775790
1950-04-042,503,23382660
1950-04-112,504,09786440
1950-04-182,504,94785070
1950-04-252,505,74780070
1950-05-022,506,56281570
1950-05-092,507,48692443
1950-05-162,508,34786161
1950-05-232,509,19684932
1950-05-302,510,05085421
1950-06-062,510,93988910
1950-06-132,511,82688752
1950-06-202,512,59076470
1950-06-272,513,26867820
1950-07-042,514,3531,08530
1950-07-112,515,16681380
1950-07-182,516,09793170
1950-07-252,516,83273530
1950-08-012,517,53069810
1950-08-082,518,436906141
1950-08-152,519,33289630
1950-08-222,520,11077840
1950-08-292,520,89978992
1950-09-052,521,67177271
1950-09-122,522,48781660
1950-09-192,523,25877171
1950-09-262,524,02576750
1950-10-032,524,74471980
1950-10-102,525,7531,00961
1950-10-172,526,61486120
1950-10-242,527,50689281
1950-10-312,528,48297691
1950-11-072,529,474992121
1950-11-142,530,36589140
1950-11-212,531,3781,01332
1950-11-282,532,27589722
1950-12-052,533,20292790
1950-12-122,534,2111,00960
1950-12-192,535,02381250
1950-12-262,536,015992141
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.