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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
1928-01-031,655,40088090
1928-01-101,656,15375360
1928-01-171,656,894741110
1928-01-241,657,44755330
1928-01-311,658,02457731
1928-02-071,658,79076662
1928-02-141,659,554764141
1928-02-211,660,31175740
1928-02-281,661,151840100
1928-03-061,662,04889781
1928-03-131,662,807759100
1928-03-201,663,54173461
1928-03-271,664,39084951
1928-04-031,665,197807101
1928-04-101,666,06186460
1928-04-171,666,88382271
1928-04-241,667,71082730
1928-05-011,668,54183140
1928-05-081,669,40586450
1928-05-151,670,28988491
1928-05-221,671,095806101
1928-05-291,671,95986481
1928-06-051,672,86490570
1928-06-121,673,78992530
1928-06-191,674,62683740
1928-06-261,675,31669081
1928-07-031,676,23491852
1928-07-101,677,12288811
1928-07-171,677,87975751
1928-07-241,678,627748120
1928-07-311,679,340713102
1928-08-071,680,27293280
1928-08-141,681,15788560
1928-08-211,681,91976250
1928-08-281,682,73081133
1928-09-041,683,58885891
1928-09-111,684,37778970
1928-09-181,685,07770040
1928-09-251,685,769692100
1928-10-021,686,50573670
1928-10-091,687,48497950
1928-10-161,688,31783351
1928-10-231,689,18887180
1928-10-301,690,09290460
1928-11-061,691,027935120
1928-11-131,691,91188460
1928-11-201,692,80189070
1928-11-271,693,58778671
1928-12-041,694,36377633
1928-12-111,695,26390030
1928-12-181,696,17791482
1928-12-251,696,89671980
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.