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Patent Date:
Patent Issue Date Details
This table shows patent issue date data.
Grant Date shotgunLast Utility
patent number
Utility Count Datamp CountWithdrawn count
1919-01-071,290,86083420
1919-01-141,291,69783750
1919-01-211,292,41271520
1919-01-281,292,98257041
1919-02-041,293,65367100
1919-02-111,294,36771451
1919-02-181,295,09372680
1919-02-251,295,830737111
1919-03-041,296,60277231
1919-03-111,297,30670450
1919-03-181,297,98167524
1919-03-251,298,63265120
1919-04-011,299,41177931
1919-04-081,300,23282161
1919-04-151,301,08585341
1919-04-221,301,79971431
1919-04-291,302,48969040
1919-05-061,303,22373471
1919-05-131,303,84261953
1919-05-201,304,52668403
1919-05-271,305,24171530
1919-06-031,305,98474394
1919-06-101,306,67869422
1919-06-171,307,33265414
1919-06-241,308,02068873
1919-07-011,308,74972942
1919-07-081,309,60385452
1919-07-151,310,40580271
1919-07-221,311,15074562
1919-07-291,311,86471433
1919-08-051,312,50664235
1919-08-121,313,23973310
1919-08-191,313,86963040
1919-08-261,314,49162230
1919-09-021,315,19870751
1919-09-091,315,93573762
1919-09-161,316,55161643
1919-09-231,317,14859752
1919-09-301,317,67152311
1919-10-071,318,34267172
1919-10-141,319,03269030
1919-10-211,319,67864612
1919-10-281,320,36869072
1919-11-041,321,07570783
1919-11-111,321,79972462
1919-11-181,322,50570624
1919-11-251,323,23573093
1919-12-021,324,020785111
1919-12-091,324,77475461
1919-12-161,325,50473040
1919-12-231,326,15865421
1919-12-301,326,89874002
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.