KEM-ZONE

○ Dead · Expired

U.S. federal trademark · Serial No. 72139663 · Reg. No. 0749982

Mark

KEM-ZONE

Status

Expired

Serial Number

72139663

Registration No.

0749982

Filing Date

March 12, 1962

Registration Date

May 28, 1963

Class(es)

Class 001

Owner

03 · TULSA, OK, US

CHEMICAL FOR USE IN OIL WELL DRILLING FLUIDS TO UNBLOCK PRODUCING ZONES INVADED BY DRILLING MUD FILTRATE

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