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Trademark: 73358157
Status Date
Monday, September 17, 1990
Registration Number
1244926
Registration Date
Tuesday, July 12, 1983
Filing Date
Monday, April 5, 1982
Published for Opposition
Tuesday, April 19, 1983
Cancellation Date
Monday, September 17, 1990
1 Polyanionic Cellulosic Polymer Used as a Filtrate Control Agent and Viscosifier in Water Base Muds for Use in the Oil Drilling Industry
Sep 17, 1990
Cancelled Sec. 8 (6-Yr)
Jul 12, 1983
Registered-Principal Register
Apr 19, 1983
Published For Opposition
Jul 12, 1983
Registered-Principal Register
Apr 19, 1983
Published For Opposition
Mar 14, 1983
Notice Of Publication
Mar 4, 1983
Approved For Pub - Principal Register
Jan 28, 1983
Assigned To Examiner
Trademark Alertz updated from USPTO on 2030-01-24