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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
1897-01-05574,868498141
1897-01-12575,31444651
1897-01-19575,681367100
1897-01-26576,081400130
1897-02-02576,52844790
1897-02-09576,99246461
1897-02-16577,405413141
1897-02-23577,829424170
1897-03-02578,306477172
1897-03-09578,70539963
1897-03-16579,12041561
1897-03-23579,55543573
1897-03-30579,943388113
1897-04-06580,354411121
1897-04-13580,837483120
1897-04-20581,25541820
1897-04-27581,684429121
1897-05-04582,162478160
1897-05-11582,608446150
1897-05-18583,01440661
1897-05-25583,442428101
1897-06-01583,881439181
1897-06-08584,312431251
1897-06-15584,763451101
1897-06-22585,16840590
1897-06-29585,644476121
1897-07-06586,08944580
1897-07-13586,537448110
1897-07-20586,954417100
1897-07-27587,29133790
1897-08-03587,68739690
1897-08-10588,120433161
1897-08-17588,54642692
1897-08-24588,937391151
1897-08-31589,399462182
1897-09-07589,80340482
1897-09-14590,20139832
1897-09-21590,558357112
1897-09-28590,949391110
1897-10-05591,373424110
1897-10-12591,800427131
1897-10-19592,226426180
1897-10-26592,75252671
1897-11-02593,183431121
1897-11-09593,555372110
1897-11-16593,97642142
1897-11-23594,364388100
1897-11-30594,84047681
1897-12-07595,28444460
1897-12-14595,684400150
1897-12-21596,04636262
1897-12-28596,466420111
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.