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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
1893-01-03489,444469140
1893-01-10489,906462141
1893-01-17490,258352111
1893-01-24490,634376140
1893-01-31491,064430180
1893-02-07491,508444150
1893-02-14491,972464352
1893-02-21492,37940790
1893-02-28492,771392140
1893-03-07493,235464230
1893-03-14493,626391123
1893-03-21494,11448890
1893-03-28494,539425180
1893-04-04495,00546682
1893-04-11495,467462201
1893-04-18495,951484171
1893-04-25496,387436170
1893-05-02496,839452160
1893-05-09497,293454240
1893-05-16497,756463170
1893-05-23498,219463223
1893-05-30498,753534161
1893-06-06499,192439180
1893-06-13499,695503200
1893-06-20500,108413170
1893-06-27500,543435120
1893-07-04501,046503171
1893-07-11501,484438110
1893-07-18501,906422171
1893-07-25502,264358180
1893-08-01502,692428131
1893-08-08503,114422210
1893-08-15503,567453160
1893-08-22503,93436780
1893-08-29504,312378171
1893-09-05504,697385100
1893-09-12505,081384231
1893-09-19505,42834770
1893-09-26505,804376140
1893-10-03506,198394140
1893-10-10506,652454101
1893-10-17507,091439150
1893-10-24507,521430121
1893-10-31507,976455182
1893-11-07508,392416111
1893-11-14508,904512171
1893-11-21509,352448150
1893-11-28509,854502121
1893-12-05510,394540311
1893-12-12510,874480180
1893-12-19511,318444123
1893-12-26511,743425192
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.