Trademark Search / KNOBBY

KNOBBY

○ Dead · Cancelled

U.S. federal trademark · Serial No. 72104596 · Reg. No. 0715414

Mark

KNOBBY

Status

Cancelled

Serial Number

72104596

Registration No.

0715414

Filing Date

September 16, 1960

Registration Date

May 16, 1961

Class(es)

Class 007

Owners

SMITH INTERNATIONAL, INC.

03 · HOUSTON, TX, US

Drilco Oil Tools, Inc.

03 · Midland, TX, US

Goods & Services

Cutters for Rotary Reamers Used in Oil Well Drilling, Particularly Reamers of the Type Using Rollers Having Tungsten Carbide Pellets Protruding Like Teeth from the Rollers

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Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.