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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
1981-01-064,244,0561,30039
1981-01-134,245,3561,30000
1981-01-1330,482-4,214,87400
1981-01-13257,907227,42500
1981-01-2030,490-227,417021
1981-01-20258,019227,529021
1981-01-204,246,6563,988,637021
1981-01-274,247,9561,30066
1981-02-034,249,2661,31033
1981-02-104,250,5761,31009
1981-02-1030,514-4,220,06209
1981-02-10258,244227,73009
1981-02-174,251,8863,993,64260
1981-02-244,253,1961,31009
1981-02-2430,530-4,222,66609
1981-02-24258,394227,86409
1981-03-034,254,5063,996,11239
1981-03-104,255,8161,31036
1981-03-174,257,1261,31066
1981-03-244,258,4361,31006
1981-03-2430,556-4,227,88006
1981-03-24258,694228,13806
1981-03-314,259,7464,001,052015
1981-03-3130,564-4,229,182015
1981-03-31258,769228,205015
1981-04-07258,84475018
1981-04-074,261,0564,002,212018
1981-04-0730,572-4,230,484018
1981-04-144,262,3664,231,79466
1981-04-214,263,6761,310315
1981-04-284,264,9861,31003
1981-04-2830,596-4,234,39003
1981-04-28259,069228,47303
1981-05-054,266,2964,007,22739
1981-05-124,267,6061,310312
1981-05-194,268,9161,31033
1981-05-264,270,2261,310015
1981-05-2630,628-4,239,598015
1981-05-26259,369228,741015
1981-06-024,271,5364,012,16739
1981-06-094,272,8461,31030
1981-06-1630,652-4,242,19403
1981-06-16259,594228,94203
1981-06-164,274,1564,014,56203
1981-06-234,275,4661,31000
1981-06-2330,655-4,244,81100
1981-06-23259,669229,01400
1981-06-304,276,6564,016,98703
1981-06-3030,663-4,245,99303
1981-06-30259,744229,08103
1981-07-074,277,8464,018,10230
1981-07-144,279,0361,19030
1981-07-214,280,2261,19036
1981-07-284,281,4161,19030
1981-08-044,282,6061,19063
1981-08-114,283,7961,19036
1981-08-184,285,0661,27033
1981-08-254,286,3361,27003
1981-08-2530,724-4,255,61203
1981-08-25260,444229,72003
1981-09-084,288,8764,028,43203
1981-09-0830,740-4,258,13603
1981-09-08260,694229,95403
1981-09-154,290,1464,029,45266
1981-09-224,291,4161,27033
1981-09-294,292,6861,27066
1981-10-13261,319-4,031,36700
1981-10-134,295,2264,033,90700
1981-10-1330,773-4,264,45300
1981-10-204,296,4964,265,72306
1981-10-2030,781-4,265,71506
1981-10-20261,444230,66306
1981-10-274,297,7454,036,30103
1981-10-2730,785-4,266,96003
1981-10-27261,569230,78403
1981-11-0330,789-230,780012
1981-11-03261,694230,905012
1981-11-034,298,9904,037,296012
1981-11-104,300,2391,24933
1981-11-174,301,5431,30409
1981-11-1730,800-4,270,74309
1981-11-17261,944231,14409
1981-11-244,302,8464,040,90233
1981-12-014,304,0041,15806
1981-12-0130,813-4,273,19106
1981-12-01262,154231,34106
1981-12-084,305,1594,043,00503
1981-12-0830,821-4,274,33803
1981-12-08262,239231,41803
1981-12-154,306,3144,044,07536
1981-12-224,307,4691,15533
1981-12-294,308,6211,15206
1981-12-2930,839-4,277,78206
1981-12-29262,494231,65506
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.