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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
1921-01-041,364,85979750
1921-01-111,365,64178292
1921-01-181,366,33769621
1921-01-251,366,89455740
1921-02-011,367,52763332
1921-02-081,368,23070346
1921-02-151,368,99876832
1921-02-221,369,764766101
1921-03-011,370,50474042
1921-03-081,371,21170762
1921-03-151,371,99878782
1921-03-221,372,66266453
1921-03-291,373,39373122
1921-04-051,374,17077731
1921-04-121,374,89372342
1921-04-191,375,66176842
1921-04-261,376,39072961
1921-05-031,377,169779131
1921-05-101,377,99882940
1921-05-171,378,83083284
1921-05-241,379,60177152
1921-05-311,380,33673541
1921-06-071,381,09676080
1921-06-141,381,89680012
1921-06-211,382,61071462
1921-06-281,383,273663101
1921-07-051,384,03476132
1921-07-121,384,73369922
1921-07-191,385,35061734
1921-07-261,385,97662683
1921-08-021,386,58961362
1921-08-091,387,44485586
1921-08-161,388,15471041
1921-08-231,388,83868413
1921-08-301,389,56973171
1921-09-061,390,26069130
1921-09-131,390,97471462
1921-09-201,391,65568170
1921-09-271,392,28763224
1921-10-041,392,912625101
1921-10-111,393,731819100
1921-10-181,394,51778686
1921-10-251,395,24272591
1921-11-011,396,002760481
1921-11-081,396,72071851
1921-11-151,397,49577571
1921-11-221,398,21872392
1921-11-291,398,95373551
1921-12-061,399,72777482
1921-12-131,400,50577854
1921-12-201,401,11861327
1921-12-271,401,94782968
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.