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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
1889-01-01395,680376221
1889-01-08396,058378190
1889-01-15396,383325160
1889-01-22396,720337110
1889-01-29397,102382181
1889-02-05397,483381163
1889-02-12397,884401232
1889-02-19398,366482240
1889-02-26398,81144582
1889-03-05399,231420110
1889-03-12399,643412150
1889-03-19400,032389150
1889-03-26400,421389131
1889-04-02400,888467173
1889-04-09401,324436121
1889-04-16401,727403220
1889-04-23402,124397201
1889-04-30402,551427140
1889-05-07403,081530254
1889-05-14403,501420261
1889-05-21403,898397470
1889-05-28404,372474240
1889-06-04404,813441200
1889-06-11405,239426101
1889-06-18405,686447171
1889-06-25406,017331103
1889-07-02406,413396231
1889-07-09406,863450120
1889-07-16407,314451101
1889-07-23407,760446472
1889-07-30408,203443123
1889-08-06408,680477230
1889-08-13409,158478171
1889-08-20409,656498251
1889-08-27410,139483111
1889-09-03410,568429360
1889-09-10410,999431150
1889-09-17411,411412140
1889-09-24411,771360233
1889-10-01412,224453190
1889-10-08412,714490230
1889-10-15413,157443111
1889-10-22413,639482251
1889-10-29414,177538180
1889-11-05414,669492200
1889-11-12415,183514221
1889-11-19415,691508200
1889-11-26416,148457192
1889-12-03416,704556241
1889-12-10417,213509200
1889-12-17417,696483260
1889-12-24418,146450233
1889-12-31418,664518240
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.