HYDRIL
USPTO Trademark Record · Serial No. 71662540
Trademark details
It was initially claimed by HYDRIL COMPANY on 19540312.
That brand applies to the following goods and services:PULSATION DAMPENERS, [ VALVES OF ALL KINDS AND PIPE FITTINGS, ] BLOWOUT PREVENTERS [, ACCUMULATORS, CASING JOINTS, TUBING JOINTS, DRILL STEM JOINTS, PIPE CONNECTORS, GAS SEPARATORS, FLUSH JOINT DRILL PIPES AND VALVES COMPRISING OIL FIELD EQUIPMENT ].
You can learn more about that trademark on the USPTO website: View the USPTO record
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