Mark Identification

TROIGON

Serial Number

73273804

Filing Date

Aug 11, 1980

Registration Date

Nov 10, 1981

Trademark by

HALLIBURTON COMPANY

Classification Information

an Industrial Cleaning Service for Removing from Surfaces Scales Composed of Mixtures of Iron Oxides, Iron Sulfides, Soluble Carbonaceous Material and Insoluble Coke

Treatment of Materials