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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
1921-01-041,364,85979760
1921-01-111,365,641782122
1921-01-181,366,33769641
1921-01-251,366,89455750
1921-02-011,367,52763362
1921-02-081,368,23070356
1921-02-151,368,99876862
1921-02-221,369,764766121
1921-03-011,370,50474062
1921-03-081,371,21170772
1921-03-151,371,998787112
1921-03-221,372,66266463
1921-03-291,373,39373162
1921-04-051,374,17077781
1921-04-121,374,89372362
1921-04-191,375,66176852
1921-04-261,376,39072981
1921-05-031,377,169779151
1921-05-101,377,99882980
1921-05-171,378,830832104
1921-05-241,379,60177182
1921-05-311,380,336735101
1921-06-071,381,096760100
1921-06-141,381,89680022
1921-06-211,382,610714112
1921-06-281,383,273663121
1921-07-051,384,03476182
1921-07-121,384,73369952
1921-07-191,385,35061764
1921-07-261,385,976626113
1921-08-021,386,58961362
1921-08-091,387,444855166
1921-08-161,388,15471091
1921-08-231,388,83868443
1921-08-301,389,56973191
1921-09-061,390,26069140
1921-09-131,390,97471492
1921-09-201,391,655681120
1921-09-271,392,28763264
1921-10-041,392,912625121
1921-10-111,393,731819140
1921-10-181,394,517786126
1921-10-251,395,242725131
1921-11-011,396,002760481
1921-11-081,396,72071851
1921-11-151,397,49577581
1921-11-221,398,218723112
1921-11-291,398,95373561
1921-12-061,399,727774112
1921-12-131,400,505778114
1921-12-201,401,11861347
1921-12-271,401,94782988
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.