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Patent number:
Patent Date:
Patent Issue Date Details
This table shows patent issue date data.
Grant Date shotgunLast Utility
patent number
Utility Count Datamp CountWithdrawn count
1941-10-072,258,58085811
1941-10-142,259,43385340
1941-10-212,260,27984660
1941-10-282,261,10782860
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.