Mark Identification

TUF CEMENT

Serial Number

72350287

Filing Date

Nov 25, 1969

Registration Date

Jul 20, 1971

Trademark by

HALLIBURTON COMPANY

Classification Information

SYNTHETIC FIBROUS MATERIALS USED IN A CEMENT COMPOSITION FOR THE CONSTRUCTION, COMPLETION, TREATING AND SERVICING OF WELLS, SUCH AS OIL, GAS, BRINE AND WATER WELLS, AND FOR CONSTRUCTION IN GENERAL

Chemicals