97307667
Mar 11, 2022
Access doors, roof hatches, garage doors, and static heat and smoke vents, all made of metal; ventilation systems comprising metal gas vent pipes and metal chimneys; metal air duct fittings for use with air distribution systems; metal clamps; metal roof vents for ventilation in residential and commercial buildings; ventilating metal pipes; ventilating metal liners; chimney parts primarily of metal, namely, chimney sections, pipes, expansion joints, slip joints, joints, drain plugs, elbows, tees, increasers, penetration assemblies, closure rings, storm collars, caps, stack termination caps, and cones
Metal GoodsDiffusers, namely, heat diffusion collars and discs for use in furnaces; heat registers; grilles for ventilation; louver valves for ventilation; return faces for ventilation; heat and smoke ventilators; heat registers for baseboard and floor; heat registers for side wall; heat registers for ventilation; chimney dampers; chimney damper kits comprising chimney damper bearings, counterweights, chain, chain coupling and chain lock; grille frames for ventilation, air volume controllers for ventilation; manual air volume dampers; control grids and baffles for use with registers, grilles and diffusers for air distribution systems; damper regulators and regulator sets to regulate the flow of air comprising chain, pulleys, hooks and screws packaged together; direct vent pipes and chimneys for gas appliances; flexible duct primarily of nonmetal for use with air distribution systems
Environmental Control ApparatusChimney parts that are primarily non-metal, namely, chimney sections, pipes, expansion joints, slip joints, joints, drain plugs, elbows, tees, increasers, penetration assemblies, closure rings, storm collars, caps, stack termination caps, and cones
Nonmetallic Building Materials