Trademark: 73258398
Status Date
Saturday, October 4, 2003
Registration Number
1221328
Registration Date
Tuesday, December 28, 1982
Filing Date
Wednesday, April 16, 1980
Published for Opposition
Tuesday, July 13, 1982
Cancellation Date
Saturday, October 4, 2003
1 Polyanionic Cellulosic Polymer Used to Increase Drilling Mud Fluidity
Oct 4, 2003
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Feb 13, 1989
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.
Dec 5, 1988
Registered - Sec. 8 (6-Yr) & Sec. 15 Filed
Dec 28, 1982
Registered-Principal Register
Jul 13, 1982
Published For Opposition
Nov 9, 1982
Notice Of Publication
Jun 1, 1982
Notice Of Publication
Jun 1, 1982
Approved For Pub - Principal Register
May 8, 1981
Non-Final Action Mailed
Jul 31, 1980
Assigned To Examiner
Trademark Alertz updated from USPTO on 2030-01-24