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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
1927-01-041,613,592787110
1927-01-111,614,448856131
1927-01-181,615,20675861
1927-01-251,615,818612110
1927-02-011,616,43161330
1927-02-081,617,31588480
1927-02-151,618,157842150
1927-02-221,618,96680951
1927-03-011,619,800834100
1927-03-081,620,61981990
1927-03-151,621,48586691
1927-03-221,622,264779120
1927-03-291,623,03477050
1927-04-051,623,95391951
1927-04-121,624,90495150
1927-04-191,625,778874110
1927-04-261,626,58881092
1927-05-031,627,54695850
1927-05-101,628,6371,09140
1927-05-171,629,46482790
1927-05-241,630,24678290
1927-05-311,631,111865111
1927-06-071,631,95284170
1927-06-141,632,77682470
1927-06-211,633,561785101
1927-06-281,634,24968880
1927-07-051,635,16291341
1927-07-121,635,981819121
1927-07-191,636,67669550
1927-07-261,637,32665050
1927-08-021,638,00567970
1927-08-091,638,816811160
1927-08-161,639,64582990
1927-08-231,640,33969450
1927-08-301,641,14280360
1927-09-061,641,949807120
1927-09-131,642,66471530
1927-09-201,643,28962590
1927-09-271,643,934645100
1927-10-041,644,65872460
1927-10-111,645,51085280
1927-10-181,646,38187140
1927-10-251,647,12174080
1927-11-011,647,976855151
1927-11-081,648,88590981
1927-11-151,649,81392851
1927-11-221,650,58577260
1927-11-291,651,351766180
1927-12-061,652,156805241
1927-12-131,652,99583970
1927-12-201,653,60661160
1927-12-271,654,520914111
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.