Trademark Search  /  ZONELOCK

ZONELOCK

● Live · Registered

U.S. federal trademark · Serial No. 72252553 · Reg. No. 0839748

Mark
ZONELOCK
Status
Registered
Serial Number
72252553
Registration No.
0839748
Filing Date
August 17, 1966
Registration Date
November 28, 1967
Class(es)
Class 037

Owners

SCHLUMBERGER TECHNOLOGY CORPORATION
03 · SUGAR LAND, TX, US
DOWELL SCHLUMBERGER INCORPORATED
03 · TULSA, OK, US
DOW CHEMICAL COMPANY, THE
03 · MIDLAND, MI, US

Goods & Services

CHEMICAL TREATMENT OF WELLS AND UNDERGROUND EARTH FORMATIONS

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