USPTO trademark record

DUO FLOW

Dead mark · Owner AMERICAN RADIATOR & STANDARD SANITARY CORPORATION · Classes 9

Mark details

Owner: AMERICAN RADIATOR & STANDARD SANITARY CORPORATION
Serial number: 72233303
Registration number: 0830478
Status: EXPIRED (dead)
Classes: 9 (Software / electronics / downloadable media)
Filed: 1965-11-26
Registered: 1967-06-20
Goods / services: THERMOSTATICALLY-OPERATED VALVES FOR CONTROLLING HOT AND COLD WATER FLOWS THROUGH ROOM HEAT EXCHANGE UNITS

Register data indexed 2026-11-07. Bulk records trail live filings — check the official USPTO search for the latest status before filing.

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