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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
1926-01-051,568,95391470
1926-01-121,569,84589270
1926-01-191,570,60375870
1926-01-261,571,17657390
1926-02-021,571,924748100
1926-02-091,572,86894420
1926-02-161,573,79192350
1926-02-231,574,740949190
1926-03-021,575,606866110
1926-03-091,576,49388770
1926-03-161,577,434941121
1926-03-231,578,246812132
1926-03-301,579,198952101
1926-04-061,580,10590760
1926-04-131,581,09599060
1926-04-201,582,02192660
1926-04-271,582,88586491
1926-05-041,583,76688191
1926-05-111,584,70894291
1926-05-181,585,63292460
1926-05-251,586,510878131
1926-06-011,587,493983101
1926-06-081,588,39890590
1926-06-151,589,34194380
1926-06-221,590,17583482
1926-06-291,591,00583040
1926-07-061,591,947942140
1926-07-131,592,81586840
1926-07-201,593,55473950
1926-07-271,594,33978581
1926-08-031,595,06272350
1926-08-101,595,98091890
1926-08-171,596,861881110
1926-08-241,597,66079950
1926-08-311,598,593933140
1926-09-071,599,399806111
1926-09-141,600,20480550
1926-09-211,600,96476070
1926-09-281,601,708744100
1926-10-051,602,38267480
1926-10-121,603,26288033
1926-10-191,604,133871110
1926-10-261,604,947814100
1926-11-021,605,905958101
1926-11-091,606,757852100
1926-11-161,607,59683972
1926-11-231,608,483887120
1926-11-301,609,27779442
1926-12-071,610,22594890
1926-12-141,611,14792271
1926-12-211,611,86471750
1926-12-281,612,80594131
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.