Trademark Search / CHANNELBLOCK

CHANNELBLOCK

○ Dead · Expired

U.S. federal trademark · Serial No. 72400855 · Reg. No. 0959626

Mark

CHANNELBLOCK

Status

Expired

Serial Number

72400855

Registration No.

0959626

Filing Date

August 23, 1971

Registration Date

May 29, 1973

Class(es)

Class 001

Owner

03 · MIDLAND, MI, US

CHEMICALS AND POLYMERS WHICH IN COMBINATION ARE USEFUL FOR CONTROLLING AQUEOUS FLOW IN WELLS AND SUBTERRANEAN FORMATIONS SURROUNDING WELLS

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