USPTO trademark record

HIRT

Dead mark · Owner HIRT COMBUSTION ENGINEERS · Classes 11

Mark details

Owner: HIRT COMBUSTION ENGINEERS
Serial number: 72340789
Registration number: 0904308
Status: EXPIRED (dead)
Classes: 11 (Appliances / lighting)
Filed: 1969-10-15
Registered: 1970-12-15
Goods / services: HEATING AND COMBUSTION EQUIPMENT-NAMELY, INCINERATORS, FUME INCINERATORS, LIQUID INCINERATORS, GAS GENERATORS, GAS BURNERS, AIR HEATERS, GAS HEATERS, FURNACES, DRYERS, HEAT EXCHANGERS, AND COMBUSTION…

Register data as of 2026-11-09. Records can trail live filings — check the official USPTO search for the latest status before filing.

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