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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
1887-01-04355,673383180
1887-01-11356,086413120
1887-01-18356,434348140
1887-01-25356,738304162
1887-02-01357,166428172
1887-02-08357,563397160
1887-02-15358,007444280
1887-02-22358,422415131
1887-03-01358,825403231
1887-03-08359,238413171
1887-03-15359,589351101
1887-03-22359,989400241
1887-03-29360,401412140
1887-04-05360,838437121
1887-04-12361,251413190
1887-04-19361,663412171
1887-04-26362,04938670
1887-05-03362,47842992
1887-05-10362,920442180
1887-05-17363,350430172
1887-05-24363,787437141
1887-05-31364,201414121
1887-06-07364,625424131
1887-06-14365,036411151
1887-06-21365,35932390
1887-06-28365,768409143
1887-07-05366,19342582
1887-07-12366,641448130
1887-07-19367,017376112
1887-07-26367,35233561
1887-08-02367,773421171
1887-08-09368,178405160
1887-08-16368,563385100
1887-08-23368,924361191
1887-08-30369,308384121
1887-09-06369,674366111
1887-09-13370,031357130
1887-09-20370,36733690
1887-09-27370,753386161
1887-10-04371,160407110
1887-10-11371,534374191
1887-10-18371,91037680
1887-10-25372,282372130
1887-11-01372,64736560
1887-11-08373,040393140
1887-11-15373,42438461
1887-11-22373,807383180
1887-11-29374,16135490
1887-12-06374,570409130
1887-12-13374,919349181
1887-12-20375,327408160
1887-12-27375,719392160
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.