O-C-T
Mark Identification

O-C-T

Serial Number

72072879

Filing Date

May 4, 1959

Registration Date

Nov 10, 1959

Trademark by

F.M.C. CORPORATION

Classification Information

BOTTOM HOLE TEST ADAPTERS, CHOKE ADAPTERS, TUBING HEAD ADAPTERS, WELL HEAD ASSEMBLIES, TUBING HEAD ATTACHMENTS, POSITIVE CHOKES, ADJUSTABLE CHOKES, FLOW CONTROLS, CROSSES, T'S, L'S, ADAPTER FLANGES, FLANGED FITTINGS, CASING HANGERS, TUBING HANGERS, HANGER COUPLINGS, BRADEN HEADS, TUBING HEADS, PUMPING HEADS, CASING HEADS, NIPPLES, CAGE NIPPLES, SWAGE NIPPLES, REINSTALLATION NIPPLES, BLOWOUT PREVENTERS, BULL PLUGS, VALVE REMOVAL PLUGS, UNIONS, UNITREES, NEEDLE VALVES, BACK PRESSURE VALVES, PACKOFF FLANGES, STRIPPERS

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