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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
1941-01-072,228,23782031
1941-01-142,229,02278591
1941-01-212,229,62660430
1941-01-282,230,21759140
1941-02-042,230,98777060
1941-02-112,231,860873100
1941-02-182,232,675815140
1941-02-252,233,390715110
1941-03-042,234,161771110
1941-03-112,234,94478341
1941-03-182,235,80986581
1941-03-252,236,49568670
1941-04-012,237,28278752
1941-04-082,238,02774570
1941-04-152,238,87684930
1941-04-222,239,66679091
1941-04-292,240,476810111
1941-05-062,241,373897111
1941-05-132,242,20483190
1941-05-202,243,06185770
1941-05-272,243,82876760
1941-06-032,244,65582760
1941-06-102,245,55089570
1941-06-172,246,49094070
1941-06-242,247,34485420
1941-07-012,248,03769361
1941-07-082,248,91788050
1941-07-152,249,723806100
1941-07-222,250,44171840
1941-07-292,251,25781690
1941-08-052,251,90264570
1941-08-122,252,68077860
1941-08-192,253,48980950
1941-08-262,254,196707110
1941-09-022,255,03483870
1941-09-092,255,74471071
1941-09-162,256,46271870
1941-09-232,257,08562360
1941-09-302,257,72263780
1941-10-072,258,58085841
1941-10-142,259,433853110
1941-10-212,260,279846100
1941-10-282,261,10782890
1941-11-042,261,92982270
1941-11-112,262,74481530
1941-11-182,263,55180770
1941-11-252,264,26771650
1941-12-022,265,122855101
1941-12-092,265,97685490
1941-12-162,266,72474881
1941-12-232,267,703979160
1941-12-302,268,53983670
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.