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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
1949-01-042,458,49369741
1949-01-112,459,13764440
1949-01-182,459,77864120
1949-01-252,460,265487110
1949-02-012,460,79653150
1949-02-082,461,50470821
1949-02-152,462,05254830
1949-02-222,462,82977740
1949-03-012,463,49967060
1949-03-082,464,19669722
1949-03-152,464,77958390
1949-03-222,465,33455520
1949-03-292,465,98565151
1949-04-052,466,665680104
1949-04-122,467,36269720
1949-04-192,468,01665430
1949-04-262,468,72370720
1949-05-032,469,34962611
1949-05-102,470,08273350
1949-05-172,470,74866680
1949-05-242,471,39965160
1949-05-312,472,05665750
1949-06-072,472,78172551
1949-06-142,473,49671550
1949-06-212,474,205709141
1949-06-282,474,80459951
1949-07-052,475,57977560
1949-07-122,476,26768871
1949-07-192,476,94868150
1949-07-262,477,55760930
1949-08-022,478,16761030
1949-08-092,478,88872180
1949-08-162,479,54866030
1949-08-232,480,10055240
1949-08-302,480,82072060
1949-09-062,481,48166180
1949-09-132,482,08360240
1949-09-202,482,73965631
1949-09-272,483,38864960
1949-10-042,484,004616100
1949-10-112,484,79979550
1949-10-182,485,54174260
1949-10-252,486,37283170
1949-11-012,487,03766530
1949-11-082,487,77673950
1949-11-152,488,51874240
1949-11-222,489,24772970
1949-11-292,490,01076351
1949-12-062,490,76375360
1949-12-132,491,46370050
1949-12-202,492,13066710
1949-12-272,492,94381391
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.