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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
1947-01-072,414,07940500
1947-01-142,414,43035100
1947-01-212,414,78735700
1947-01-282,415,06728000
1947-02-042,415,39733030
1947-02-112,415,80140410
1947-02-182,416,27747610
1947-02-252,416,66438711
1947-03-042,417,03837421
1947-03-112,417,40436620
1947-03-182,417,80239831
1947-03-252,418,10830600
1947-04-012,418,44433610
1947-04-082,418,80736312
1947-04-152,419,19038320
1947-04-222,419,52133110
1947-04-292,419,93241110
1947-05-062,420,28935710
1947-05-132,420,63935010
1947-05-202,420,99735800
1947-05-272,421,36737020
1947-06-032,421,73837120
1947-06-102,422,17343520
1947-06-172,422,64947610
1947-06-242,423,07542610
1947-07-012,423,43035500
1947-07-082,423,81938920
1947-07-152,424,21139220
1947-07-222,424,53632520
1947-07-292,424,95742101
1947-08-052,425,29133410
1947-08-192,426,15786610
1947-08-262,426,58042311
1947-09-022,426,97639620
1947-09-092,427,33335720
1947-09-162,427,64931611
1947-09-232,428,00135220
1947-09-302,428,34634530
1947-10-072,428,76642000
1947-10-142,429,19843210
1947-10-212,429,58939110
1947-10-282,429,97138200
1947-11-042,430,44046940
1947-11-112,430,84940921
1947-11-182,431,30145220
1947-11-252,431,66936820
1947-12-022,432,07740820
1947-12-092,432,49241530
1947-12-162,432,97548320
1947-12-232,433,32635101
1947-12-302,433,82349701
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.