-
6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
plumbing components manfufactured of cast or wrought metal, namely, tubing, elbows, tees, y-fittings, union couplings, couplings, caps, adapters, air chambers, bushings, reducers, venturis, branch connectors, blukhead fittings, crosses, crossovers, eccentric couplings, expansion joints, return bends, flanges, tees, elbows, floor flanges, and pipe hangers
-
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
plumbing, heating and ventilation parts and fittings, namely, tubing, elbows, tees, y-fittings, union couplings, couplings, caps, adapters, air chambers, bushings, reducers, traps, venturis, branch connectors, bulkhead fittings, crosses, crossovers, eccentric couplings, expansion joints, drains, flanged sink ells, return bends, flanged fittings, tees and elbows closet flanges, floor flanges, connectors and adapters for soil pipe, closet elbows, pipe hangers, stack and drainage connectors all fabricated from copper, wrought copper or cast brass or bronze or fabricated of a molded, cast or extruded plastic; also valves, including gate valves, faucets, sillcocks, boiler drains, globe, ball, angle and u-valves, stop and waste valves, check valves, butterfly valves manufactured of cast brass, bronze or iron for use in heating, plumbing and ventilation systems and installations; and irrigation systems and parts therefor, namely perforate and imperforate tubing, tubing fittings, clamping rings, valves, pressure regulators, filters, injectors, water distributing sprayers and spinners, and proportional feeders
-
17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
plastic pipe system components for use in pumping fluids, namely, pipe, valves, fittings and spacers; tubing, elbows, tees, y-fittings, union couplings, couplings, caps, adapters, bushings, reducers, venturis, bulkhead fittings, crosses, crossovers, eccentric couplings, return bends, flanged fittings, tees and elbows, floor flanges, flexible nipples and cutoff nipples, fabricated of a molded, cast or extruded plastic