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Patent number:
Patent Date:
Patent Issue Date Details
This table shows patent issue date data.
Grant Date shotgunLast Utility
patent number
Utility Count Datamp CountWithdrawn count
1941-01-072,228,23782001
1941-01-142,229,02278531
1941-01-212,229,62660410
1941-01-282,230,21759120
1941-02-042,230,98777010
1941-02-112,231,86087330
1941-02-182,232,67581570
1941-02-252,233,39071550
1941-03-042,234,16177160
1941-03-112,234,94478301
1941-03-182,235,80986541
1941-03-252,236,49568610
1941-04-012,237,28278732
1941-04-082,238,02774530
1941-04-152,238,87684900
1941-04-222,239,66679031
1941-04-292,240,47681051
1941-05-062,241,37389731
1941-05-132,242,20483130
1941-05-202,243,06185720
1941-05-272,243,82876720
1941-06-032,244,65582710
1941-06-102,245,55089550
1941-06-172,246,49094000
1941-06-242,247,34485400
1941-07-012,248,03769331
1941-07-082,248,91788030
1941-07-152,249,72380630
1941-07-222,250,44171830
1941-07-292,251,25781630
1941-08-052,251,90264520
1941-08-122,252,68077830
1941-08-192,253,48980920
1941-08-262,254,19670700
1941-09-022,255,03483810
1941-09-092,255,74471001
1941-09-162,256,46271820
1941-09-232,257,08562340
1941-09-302,257,72263710
1941-10-072,258,58085811
1941-10-142,259,43385340
1941-10-212,260,27984650
1941-10-282,261,10782860
1941-11-042,261,92982230
1941-11-112,262,74481510
1941-11-182,263,55180750
1941-11-252,264,26771600
1941-12-022,265,12285541
1941-12-092,265,97685450
1941-12-162,266,72474831
1941-12-232,267,70397990
1941-12-302,268,53983640
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.