U.S. federal trademark · Serial No. 86289221 · Reg. No. 4684160
Boiler cleaning and repair; Chimney sweeping; Heating equipment installation and repair; Installation, maintenance and repair of heaters; Installation, repair and maintenance of condensing apparatus, steam condensers, radiators for motors and engines, air reheaters, boiler tubes; Maintenance and repair of heating installations; Repair or maintenance of boilers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.