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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
1928-01-031,655,40088070
1928-01-101,656,15375350
1928-01-171,656,89474180
1928-01-241,657,44755310
1928-01-311,658,02457721
1928-02-071,658,79076662
1928-02-141,659,554764131
1928-02-211,660,31175740
1928-02-281,661,15184090
1928-03-061,662,04889781
1928-03-131,662,80775970
1928-03-201,663,54173451
1928-03-271,664,39084951
1928-04-031,665,19780771
1928-04-101,666,06186450
1928-04-171,666,88382241
1928-04-241,667,71082730
1928-05-011,668,54183130
1928-05-081,669,40586430
1928-05-151,670,28988481
1928-05-221,671,09580691
1928-05-291,671,95986471
1928-06-051,672,86490570
1928-06-121,673,78992510
1928-06-191,674,62683730
1928-06-261,675,31669051
1928-07-031,676,23491842
1928-07-101,677,12288811
1928-07-171,677,87975751
1928-07-241,678,627748100
1928-07-311,679,340713102
1928-08-071,680,27293260
1928-08-141,681,15788560
1928-08-211,681,91976250
1928-08-281,682,73081133
1928-09-041,683,58885841
1928-09-111,684,37778960
1928-09-181,685,07770040
1928-09-251,685,76969270
1928-10-021,686,50573660
1928-10-091,687,48497950
1928-10-161,688,31783331
1928-10-231,689,18887170
1928-10-301,690,09290440
1928-11-061,691,027935100
1928-11-131,691,91188460
1928-11-201,692,80189060
1928-11-271,693,58778661
1928-12-041,694,36377623
1928-12-111,695,26390030
1928-12-181,696,17791472
1928-12-251,696,89671960
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.