Mark Identification

BARAVIS

Serial Number

73212274

Filing Date

Apr 19, 1979

Registration Date

Jan 12, 1982

Trademark by

HALLIBURTON ENERGY SERVICES INC.

Active Trademark

Classification Information

Earth Borehole Drilling, Completion, Workover, and Abandonment Chemicals-Namely, a Water-Soluble Chemical, Free of Calcium Carbonate, for Increasing Viscosity of Waters and Brines Having Basic pH without Developing Gel Strengths in Aqueous Solutions Containing Said Chemical

Chemicals