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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
1948-01-132,434,63581200
1948-01-202,434,89225721
1948-01-272,435,18629400
1948-02-032,435,56237601
1948-02-102,435,95038831
1948-02-172,436,36841810
1948-02-242,436,78141340
1948-03-022,437,23445300
1948-03-092,437,66743311
1948-03-162,438,10343600
1948-03-302,438,88478110
1948-04-062,439,37348900
1948-04-132,439,78541210
1948-04-202,440,23545010
1948-04-272,440,67043510
1948-05-042,441,12445430
1948-05-112,441,55743310
1948-05-182,441,94438730
1948-05-252,442,32938501
1948-06-012,442,74441510
1948-06-082,443,17242820
1948-06-222,444,02184920
1948-06-292,444,41139031
1948-07-132,445,30889711
1948-07-202,445,74743920
1948-07-272,446,16441730
1948-08-032,446,51535110
1948-08-102,446,99047541
1948-08-172,447,48049030
1948-08-312,448,5051,02530
1948-09-072,449,04153610
1948-09-142,449,53649551
1948-09-212,449,96843220
1948-09-282,450,40443620
1948-10-192,452,0281,62400
1948-10-262,452,53350540
1948-11-022,453,10757410
1948-11-092,453,68858120
1948-11-162,454,26557710
1948-11-302,455,3461,08120
1948-12-072,455,90956302
1948-12-142,456,60769820
1948-12-212,457,10750010
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.