CLAYLOK

○ Dead · Expired

U.S. federal trademark · Serial No. 72446141 · Reg. No. 1039430

Mark

CLAYLOK

Status

Expired

Serial Number

72446141

Registration No.

1039430

Filing Date

January 17, 1973

Registration Date

May 11, 1976

Class(es)

Class 037

Owner

03 · SAN FRANCISCO, CA, US

OIL WELL FORMATION PERMEABILITY MAINTENANCE SERVICE BY INJECTING A CHEMICAL WHICH STABILIZES CLAY FORMATIONS

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