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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
1891-01-06444,412426151
1891-01-13444,806394131
1891-01-20445,149343171
1891-01-27445,529380130
1891-02-03445,966437110
1891-02-10446,410444212
1891-02-17446,843433110
1891-02-24447,284441161
1891-03-03447,75146792
1891-03-10448,191440171
1891-03-17448,622431240
1891-03-24449,098476141
1891-03-31449,652554151
1891-04-07450,127475140
1891-04-14450,603476160
1891-04-21451,008405170
1891-04-28451,444436180
1891-05-05451,904460230
1891-05-12452,351447170
1891-05-19452,767416150
1891-05-26453,176409130
1891-06-02453,604428140
1891-06-09454,016412131
1891-06-16454,443427101
1891-06-23454,834391160
1891-06-30455,295461250
1891-07-07455,729434201
1891-07-14456,129400121
1891-07-21456,541412171
1891-07-28456,92738690
1891-08-04457,333406110
1891-08-11457,766433101
1891-08-18458,14738170
1891-08-25458,55440780
1891-09-01458,991437130
1891-09-08459,38639580
1891-09-15459,731345160
1891-09-22460,102371200
1891-09-29460,545443210
1891-10-06460,93739292
1891-10-13461,412475111
1891-10-20461,805393150
1891-10-27462,225420110
1891-11-03462,677452160
1891-11-10463,129452100
1891-11-17463,608479150
1891-11-24463,999391131
1891-12-01464,486487141
1891-12-08464,948462163
1891-12-15465,443495120
1891-12-22465,824381101
1891-12-29466,314490120
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.