-
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.
copper tube; steel, copper, and bronze pipe and tube fittings, copper tube straps
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
refrigeration and air conditioning equipment; namely, valves, filters, strainers, dryers, copper and brass fittings and forgings [refrigerant recovery units, and replacement parts therefor]
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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 for plumbing purposes, plastic pipe nipples, sealing tape and sealing gum for sealing pipe and tube joints]
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20
Furniture, mirrors, picture frames; goods (not included in other classes) of wood, cork, reed, cane, wicker, horn, bone, ivory, whalebone, shell, amber, mother-of-pearl, meerschaum and substitutes for all these materials, or of plastics
plastic valves (other than machine parts) and replacement parts therefore, and plastic pipe fittings