U.S. federal trademark · Serial No. 98411904 · Reg. No. 7710420
Vacuum furnace systems comprised of vacuum furnaces, a furnace hot zone comprised of furnace insulation made of graphite felt, graphite fiber or metal reflective heat shields, heating apparatus and cooling nozzles, a hearth to hold the work to be heat treated, a heat exchanger and blower being parts of machines required for high pressure gas cooling, vacuum pumps, power supplies to provide electrical heating inside the hot zone, and a control cabinet for furnace operation, sold as a unit to the heat treating industry
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.