Trademark: 73463873
Status Date
Monday, April 1, 1991
Registration Number
1311794
Registration Date
Tuesday, January 1, 1985
Filing Date
Thursday, February 2, 1984
Published for Opposition
Tuesday, October 23, 1984
Cancellation Date
Monday, April 1, 1991
1 DRILLING FLUIDS AND CHEMICAL ADDITIVES TO DRILLING FLUIDS
ISSUE NEW CERTIFICATE TO: DOWELL SCHLUMBERGER INCORPORATED, HOUSTON, TX, (DELAWARE CORPORATION)
Apr 1, 1991
Cancelled Sec. 8 (6-Yr)
Aug 14, 1985
Request For New Certificate Filed
Jan 1, 1985
Registered-Principal Register
Oct 23, 1984
Published For Opposition
Aug 27, 1984
Notice Of Publication
Jun 29, 1984
Approved For Pub - Principal Register
Jun 18, 1984
Assigned To Examiner
Jun 18, 1984
Assigned To Examiner
Trademark Alertz updated from USPTO on 2030-01-24