U.S. federal trademark · Serial No. 74020122 · Reg. No. 232580
cleaning, maintenance, repairing and painting of ventilation systems and ducts
apparatus; namely, remote-controlled industrial robots for use in the inspection, maintenance, cleaning, repairing and painting of ventilation systems and ducts, and structural replacement parts therefor; compressed air-operated brushes for cleaning ventilation systems and vacuums sold as a unit with the foregoing apparatus
inspection of ventilation systems and ducts
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.