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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
1923-01-021,441,19783680
1923-01-091,442,03383650
1923-01-161,442,79175872
1923-01-231,443,33254120
1923-01-301,443,93960730
1923-02-061,444,76882910
1923-02-131,445,61985170
1923-02-201,446,43982042
1923-02-271,447,16572641
1923-03-061,447,95579060
1923-03-131,448,71776230
1923-03-201,449,366649100
1923-03-271,450,16379761
1923-04-031,450,90574271
1923-04-101,451,67276730
1923-04-171,452,48581390
1923-04-241,453,25977420
1923-05-011,454,02977030
1923-05-081,454,83981031
1923-05-151,455,768929120
1923-05-221,456,49572700
1923-05-291,457,29179660
1923-06-051,458,12383212
1923-06-121,458,92279950
1923-06-191,459,70978751
1923-06-261,460,36065160
1923-07-031,461,01765780
1923-07-101,461,71669980
1923-07-171,462,46975310
1923-07-241,463,14767830
1923-07-311,463,78163452
1923-08-071,464,49070950
1923-08-141,465,24775771
1923-08-211,465,92667960
1923-08-281,466,65472822
1923-09-041,467,29363920
1923-09-111,467,98969630
1923-09-181,468,61862950
1923-09-251,469,20558710
1923-10-021,469,76455950
1923-10-091,470,58882460
1923-10-161,471,31973140
1923-10-231,472,03271350
1923-10-301,472,77774500
1923-11-061,473,60282541
1923-11-131,474,33973770
1923-11-201,475,16182240
1923-11-271,475,92476310
1923-12-041,476,67575181
1923-12-111,477,52785221
1923-12-181,478,36784062
1923-12-251,478,99562870
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.