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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
1921-01-041,364,85979720
1921-01-111,365,64178272
1921-01-181,366,33769611
1921-01-251,366,89455730
1921-02-011,367,52763322
1921-02-081,368,23070336
1921-02-151,368,99876822
1921-02-221,369,76476681
1921-03-011,370,50474042
1921-03-081,371,21170742
1921-03-151,371,99878782
1921-03-221,372,66266453
1921-03-291,373,39373112
1921-04-051,374,17077711
1921-04-121,374,89372342
1921-04-191,375,66176832
1921-04-261,376,39072921
1921-05-031,377,16977971
1921-05-101,377,99882940
1921-05-171,378,83083244
1921-05-241,379,60177132
1921-05-311,380,33673521
1921-06-071,381,09676070
1921-06-141,381,89680002
1921-06-211,382,61071452
1921-06-281,383,27366381
1921-07-051,384,03476132
1921-07-121,384,73369912
1921-07-191,385,35061734
1921-07-261,385,97662673
1921-08-021,386,58961352
1921-08-091,387,44485576
1921-08-161,388,15471041
1921-08-231,388,83868413
1921-08-301,389,56973131
1921-09-061,390,26069120
1921-09-131,390,97471462
1921-09-201,391,65568160
1921-09-271,392,28763224
1921-10-041,392,91262541
1921-10-111,393,73181970
1921-10-181,394,51778636
1921-10-251,395,24272541
1921-11-011,396,00276031
1921-11-081,396,72071831
1921-11-151,397,49577541
1921-11-221,398,21872352
1921-11-291,398,95373531
1921-12-061,399,72777472
1921-12-131,400,50577844
1921-12-201,401,11861327
1921-12-271,401,94782938
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.