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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
1925-01-061,522,47588640
1925-01-131,523,38290765
1925-01-201,524,01263060
1925-01-271,524,64663440
1925-02-031,525,43178581
1925-02-101,526,30987850
1925-02-171,527,15985030
1925-02-241,527,96680761
1925-03-031,528,74577931
1925-03-101,529,64389890
1925-03-171,530,46882550
1925-03-241,531,26579790
1925-03-311,532,11284760
1925-04-071,533,08096850
1925-04-141,534,01693690
1925-04-211,535,0821,06631
1925-04-281,536,04596381
1925-05-051,537,0531,00841
1925-05-121,537,93087750
1925-05-191,538,87894850
1925-05-261,539,81793940
1925-06-021,540,74192480
1925-06-091,541,7761,03580
1925-06-161,542,8071,03140
1925-06-231,543,65785070
1925-06-301,544,54188461
1925-07-071,545,47393240
1925-07-141,546,35488111
1925-07-211,547,15880460
1925-07-281,548,01685862
1925-08-041,548,812796101
1925-08-111,549,73692430
1925-08-181,550,65391741
1925-08-251,551,52987670
1925-09-011,552,40387470
1925-09-081,553,32792440
1925-09-151,554,18685950
1925-09-221,554,98079420
1925-09-291,555,81083020
1925-10-061,556,57276222
1925-10-131,557,54196950
1925-10-201,558,44890720
1925-10-271,559,5351,08740
1925-11-031,560,51898360
1925-11-101,561,45193330
1925-11-171,562,42997872
1925-11-241,563,31288351
1925-12-011,564,18687470
1925-12-081,565,2381,05270
1925-12-151,566,2641,02652
1925-12-221,567,02476050
1925-12-291,568,0391,01580
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.