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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
1875-01-05158,56121220
1875-01-12158,771210110
1875-01-19159,012241100
1875-01-26159,243231110
1875-02-02159,490247110
1875-02-09159,737247110
1875-02-16159,997260160
1875-02-23160,250253160
1875-03-02160,500250130
1875-03-09160,74024060
1875-03-16160,988248160
1875-03-23161,317329180
1875-03-30161,58526890
1875-04-06161,851266120
1875-04-13162,136285140
1875-04-20162,452316180
1875-04-27162,734282150
1875-05-04162,990256180
1875-05-11163,29030090
1875-05-18163,564274100
1875-05-25163,835271100
1875-06-01164,06923430
1875-06-08164,358289120
1875-06-15164,630272190
1875-06-22164,897267130
1875-06-29165,145248120
1875-07-06165,400255130
1875-07-13165,650250110
1875-07-20165,910260240
1875-07-27166,17926990
1875-08-03166,444265150
1875-08-10166,676232120
1875-08-17166,912236130
1875-08-24167,14723570
1875-08-31167,37923290
1875-09-07167,598219100
1875-09-14167,815217110
1875-09-21168,075260150
1875-09-28168,31323880
1875-10-05168,54823590
1875-10-11 (Mon)168,82127390
1875-10-12No utility patents issued on this date. 00
1875-10-19169,073252140
1875-10-26169,32625360
1875-11-02169,609283140
1875-11-09169,88127260
1875-11-16170,14626580
1875-11-23170,429283100
1875-11-30170,65422560
1875-12-07170,928274150
1875-12-14171,205277140
1875-12-21171,464259140
1875-12-28171,64017690
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.