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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
1891-01-06444,412426171
1891-01-13444,806394161
1891-01-20445,149343211
1891-01-27445,529380130
1891-02-03445,966437140
1891-02-10446,410444222
1891-02-17446,843433110
1891-02-24447,284441161
1891-03-03447,751467112
1891-03-10448,191440221
1891-03-17448,622431270
1891-03-24449,098476141
1891-03-31449,652554171
1891-04-07450,127475150
1891-04-14450,603476160
1891-04-21451,008405180
1891-04-28451,444436180
1891-05-05451,904460240
1891-05-12452,351447180
1891-05-19452,767416150
1891-05-26453,176409190
1891-06-02453,604428170
1891-06-09454,016412201
1891-06-16454,443427101
1891-06-23454,834391180
1891-06-30455,295461260
1891-07-07455,729434211
1891-07-14456,129400131
1891-07-21456,541412191
1891-07-28456,927386110
1891-08-04457,333406120
1891-08-11457,766433111
1891-08-18458,14738180
1891-08-25458,55440780
1891-09-01458,991437130
1891-09-08459,386395100
1891-09-15459,731345180
1891-09-22460,102371220
1891-09-29460,545443240
1891-10-06460,93739292
1891-10-13461,412475131
1891-10-20461,805393160
1891-10-27462,225420110
1891-11-03462,677452170
1891-11-10463,129452110
1891-11-17463,608479180
1891-11-24463,999391131
1891-12-01464,486487161
1891-12-08464,948462163
1891-12-15465,443495130
1891-12-22465,824381111
1891-12-29466,314490140
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.