Mark Identification
HUGHES
Serial Number
72146383
Filing Date
Jun 7, 1962
Registration Date
Sep 24, 1963
Trademark by
Classification Information
Earth Penetrating Tools Including Drill Bits, [ Core Bits, Reamers, ] Shaft Cutters [ and Tunnel Cutters ]; Drill String Members Including Tool Joints and Parts and Accessories Therefor
Yarns and Threads