1
Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
adhesives for plastic pipes and fittings, solvent cements, and primers for adhesives and solvent cements
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.
metal locks and keys therefor; metallic drain traps; metal hoses for plumbing use; metal pipes and metal fittings therefor; metal plumbing fixtures and fittings, namely, metal cleanout covers and plugs for pipes; metal roof flashing, metal hangers and support brackets for pipes, and metal stud guards
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
plumbing fittings and fixtures, namely, pipe sealing plugs, pipe sealing plugs for testing for leaks, pipe sealing caps, valves, water hammer arresters, gas and water valve outlet boxes, washing machine valve outlet boxes, ice maker valve outlet boxes, dishwasher valve outlet boxes, toilet valve connection boxes, sink valve and drain connection boxes, outlet box faceplates, water closet and urinal flanges, water closet flange extension rings, urinal flange kits, water closet gaskets, water heater pans, water heater stands, washing machine pans, shower pan liners, bathtub trap and drain boxes, bathtub protectors, plastic valve boxes, plastic meter boxes, non-metallic roof flashing, and non-metallic rain collars for plumbing vent pipes; plumbing fixtures and fittings, namely, baffles, water closet rings, couplers, drains, sinks, spouts; shower, bathtub, and sink stoppers and strainers; traps, valves, and flexible pipes being parts of shower, bathtub, and sink plumbing installations; frames and panels for accessing plumbing; plumbing fixtures, namely, cleanout covers and plugs for pipes