DUO FLOW

○ Dead · Expired

U.S. federal trademark · Serial No. 72233303 · Reg. No. 0830478

Mark

DUO FLOW

Status

Expired

Serial Number

72233303

Registration No.

0830478

Filing Date

November 26, 1965

Registration Date

June 20, 1967

Class(es)

Class 009

Owner

03 · DE, US

THERMOSTATICALLY-OPERATED VALVES FOR CONTROLLING HOT AND COLD WATER FLOWS THROUGH ROOM HEAT EXCHANGE UNITS

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