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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
1949-01-042,458,49369711
1949-01-112,459,13764420
1949-01-182,459,77864110
1949-01-252,460,26548710
1949-02-012,460,79653110
1949-02-082,461,50470801
1949-02-152,462,05254820
1949-02-222,462,82977740
1949-03-012,463,49967050
1949-03-082,464,19669712
1949-03-152,464,77958340
1949-03-222,465,33455510
1949-03-292,465,98565121
1949-04-052,466,66568044
1949-04-122,467,36269710
1949-04-192,468,01665430
1949-04-262,468,72370720
1949-05-032,469,34962611
1949-05-102,470,08273340
1949-05-172,470,74866650
1949-05-242,471,39965110
1949-05-312,472,05665740
1949-06-072,472,78172511
1949-06-142,473,49671540
1949-06-212,474,205709101
1949-06-282,474,80459921
1949-07-052,475,57977550
1949-07-122,476,26768821
1949-07-192,476,94868120
1949-07-262,477,55760930
1949-08-022,478,16761020
1949-08-092,478,88872150
1949-08-162,479,54866020
1949-08-302,480,8201,27250
1949-09-062,481,48166140
1949-09-132,482,08360240
1949-09-202,482,73965621
1949-09-272,483,38864950
1949-10-042,484,00461660
1949-10-112,484,79979520
1949-10-182,485,54174210
1949-10-252,486,37283160
1949-11-012,487,03766520
1949-11-082,487,77673920
1949-11-152,488,51874240
1949-11-222,489,24772940
1949-11-292,490,01076331
1949-12-062,490,76375350
1949-12-132,491,46370030
1949-12-202,492,13066710
1949-12-272,492,94381361
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.