CON-TONE

○ Dead · Expired

U.S. federal trademark · Serial No. 72186057 · Reg. No. 0810679

Mark

CON-TONE

Status

Expired

Serial Number

72186057

Registration No.

0810679

Filing Date

February 5, 1964

Registration Date

July 5, 1966

Class(es)

Class 001

Owner

03 · GRETNA, LA, US

DRILLING MUD ADDITIVE COMPRISING CLAY, LIGNITE, GRAPHITE, AND ASPHALT, USED AS A THICKENER IN WELL DRILLING OPERATIONS FOR SHALE CONTROL

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