Trademark: 74132576
Status Date
Monday, September 30, 1991
Filing Date
Tuesday, January 22, 1991
Abandoned Date
Friday, August 30, 1991
1 drilling fluid additive, namely a chemical composition for use in shale stability, anti-bit balling and lubrication in drilling subterranean wells
Sep 30, 1991
Abandonment - Express Mailed
Aug 26, 1991
Correspondence Received In Law Office
Aug 30, 1991
Non-Final Action Mailed
Aug 12, 1991
Assigned To Examiner
Trademark Alertz updated from USPTO on 2030-01-24