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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
1918-01-011,252,379922463
1918-01-081,253,199820168
1918-01-151,254,013814206
1918-01-221,254,641628283
1918-01-291,255,120479126
1918-02-051,255,840720180
1918-02-121,256,506666160
1918-02-191,257,298792103
1918-02-261,257,961663121
1918-03-051,258,639678232
1918-03-121,259,467828233
1918-03-191,260,328861243
1918-03-261,260,998670132
1918-04-021,261,749751161
1918-04-091,262,613864175
1918-04-161,263,355742190
1918-04-231,264,134779161
1918-04-301,264,879745162
1918-05-071,265,717838130
1918-05-141,266,539822380
1918-05-211,267,349810159
1918-05-281,268,078729119
1918-06-041,268,808730234
1918-06-111,269,570762180
1918-06-181,270,252682142
1918-06-251,270,76150983
1918-07-021,271,530769132
1918-07-091,272,348818236
1918-07-161,273,11576792
1918-07-231,273,799684130
1918-07-301,274,36056192
1918-08-061,275,189829225
1918-08-131,275,996807173
1918-08-201,276,701705132
1918-08-271,277,34864762
1918-09-031,278,083735103
1918-09-101,278,814731121
1918-09-171,279,488674160
1918-09-241,280,127639110
1918-10-011,280,620493130
1918-10-081,281,257637141
1918-10-151,282,017760190
1918-10-221,282,720703152
1918-10-291,283,445725133
1918-11-051,284,205760181
1918-11-121,284,956751162
1918-11-191,285,571615163
1918-11-261,286,193622132
1918-12-031,286,894701200
1918-12-101,287,603709190
1918-12-171,288,458855100
1918-12-241,289,065607141
1918-12-311,290,026961110
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.