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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
1927-01-041,613,59278750
1927-01-111,614,448856101
1927-01-181,615,20675831
1927-01-251,615,81861270
1927-02-011,616,43161300
1927-02-081,617,31588440
1927-02-151,618,157842100
1927-02-221,618,96680931
1927-03-011,619,80083450
1927-03-081,620,61981940
1927-03-151,621,48586661
1927-03-221,622,26477990
1927-03-291,623,03477040
1927-04-051,623,95391931
1927-04-121,624,90495130
1927-04-191,625,77887480
1927-04-261,626,58881072
1927-05-031,627,54695830
1927-05-101,628,6371,09120
1927-05-171,629,46482750
1927-05-241,630,24678250
1927-05-311,631,11186581
1927-06-071,631,95284130
1927-06-141,632,77682460
1927-06-211,633,56178551
1927-06-281,634,24968850
1927-07-051,635,16291341
1927-07-121,635,98181961
1927-07-191,636,67669530
1927-07-261,637,32665030
1927-08-021,638,00567930
1927-08-091,638,816811140
1927-08-161,639,64582960
1927-08-231,640,33969420
1927-08-301,641,14280350
1927-09-061,641,94980790
1927-09-131,642,66471520
1927-09-201,643,28962570
1927-09-271,643,93464580
1927-10-041,644,65872450
1927-10-111,645,51085250
1927-10-181,646,38187120
1927-10-251,647,12174030
1927-11-011,647,97685551
1927-11-081,648,88590971
1927-11-151,649,81392821
1927-11-221,650,58577240
1927-11-291,651,351766110
1927-12-061,652,156805191
1927-12-131,652,99583940
1927-12-201,653,60661140
1927-12-271,654,52091441
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.