Mark Identification

HYDRAIR

Serial Number

71497390

Filing Date

Feb 28, 1946

Registration Date

Jun 22, 1948

Trademark by

INTERNATIONAL DERRICK & EQUIPMENT COMPANY

Classification Information

CABLE WINCHES, HOISTS, AND PARTS THEREOF FOR USE IN OIL FIELD EQUIPMENT, SAID WINCHES AND HOISTS BEING PROVIDED WITH HYDRAULIC TORQUE CONVERTERS AND PNEUMATICALLY ACTUATED CLUTCHES

Yarns and Threads