Trademark: 73640619
Status Date
Thursday, August 11, 1988
Filing Date
Tuesday, January 20, 1987
Published for Opposition
Tuesday, February 16, 1988
Abandoned Date
Thursday, August 11, 1988
1 POLYANIONIC CELLULOSE POLYMER DRILLING FLUID ADDITIVE FOR USE IN DRILLING OIL WELLS AND OTHER EARTH BOREHOLES
Aug 11, 1988
Abandonment - After Publication
Feb 16, 1988
Published For Opposition
Jan 17, 1988
Notice Of Publication
Oct 23, 1987
Approved For Pub - Principal Register
Oct 21, 1987
Non-Final Action Mailed
Sep 25, 1987
Correspondence Received In Law Office
Mar 31, 1987
Non-Final Action Mailed
Mar 24, 1987
Assigned To Examiner
Trademark Alertz updated from USPTO on 2030-01-24