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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
1949-01-112,459,13764410
1949-01-182,459,77864110
1949-01-252,460,26548700
1949-02-012,460,79653110
1949-02-082,461,50470801
1949-02-152,462,05254810
1949-02-222,462,82977740
1949-03-012,463,49967030
1949-03-082,464,19669712
1949-03-152,464,77958330
1949-03-222,465,33455510
1949-03-292,465,98565111
1949-04-052,466,66568024
1949-04-122,467,36269710
1949-04-192,468,01665420
1949-04-262,468,72370710
1949-05-032,469,34962601
1949-05-102,470,08273340
1949-05-172,470,74866650
1949-05-242,471,39965110
1949-05-312,472,05665730
1949-06-072,472,78172511
1949-06-142,473,49671530
1949-06-212,474,20570971
1949-06-282,474,80459911
1949-07-052,475,57977520
1949-07-122,476,26768821
1949-07-192,476,94868120
1949-07-262,477,55760910
1949-08-022,478,16761020
1949-08-092,478,88872140
1949-08-162,479,54866020
1949-08-302,480,8201,27230
1949-09-062,481,48166130
1949-09-132,482,08360240
1949-09-202,482,73965601
1949-09-272,483,38864940
1949-10-042,484,00461650
1949-10-112,484,79979510
1949-10-182,485,54174210
1949-10-252,486,37283140
1949-11-012,487,03766520
1949-11-082,487,77673920
1949-11-152,488,51874230
1949-11-222,489,24772940
1949-11-292,490,01076331
1949-12-062,490,76375350
1949-12-132,491,46370010
1949-12-202,492,13066710
1949-12-272,492,94381351
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.