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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
1881-01-04236,39926340
1881-01-11236,660261101
1881-01-18236,867207111
1881-01-25237,08221591
1881-02-01237,35727570
1881-02-08237,66731081
1881-02-15237,943276101
1881-02-22238,19825592
1881-03-01238,47828092
1881-03-08238,75027280
1881-03-15239,013263103
1881-03-22239,30128881
1881-03-29239,592291113
1881-04-05239,914322141
1881-04-12240,21630276
1881-04-19240,49427880
1881-04-26240,80230890
1881-05-03241,112310100
1881-05-10241,470358152
1881-05-17241,773303172
1881-05-24242,098325151
1881-05-31242,42032280
1881-06-07242,73531581
1881-06-14243,052317131
1881-06-21243,346294111
1881-06-28243,679333151
1881-07-05244,021342161
1881-07-12244,363342150
1881-07-19244,72536290
1881-07-26244,96724280
1881-08-02245,266299110
1881-08-09245,599333111
1881-08-16245,925326180
1881-08-23246,27735281
1881-08-30246,585308151
1881-09-06246,85727271
1881-09-13247,14729081
1881-09-20247,46932250
1881-09-27247,73426561
1881-10-04248,003269102
1881-10-11248,26526280
1881-10-18248,565300102
1881-10-25248,834269110
1881-11-01249,150316141
1881-11-08249,443293115
1881-11-15249,73128861
1881-11-22250,046315121
1881-11-29250,328282131
1881-12-06250,636308116
1881-12-13251,017381101
1881-12-20251,343326140
1881-12-27251,684341121
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.