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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.
[heating materials; namely,] check valves, stop valves, and gate valves; [screwed and flanged pipe fittings,] [ cocks, ] stop check valves, emergency valves, butterfly valves, throttle valves, [ balanced valves, pressure regulators, temperature control valves, relief valves, exhaust relief valves, safety valves, blowoff valves, back pressure valves; boiler trimmings; namely, fusible plugs, union fittings, gauge cocks, drain cocks; and engine trimmings; namely, cylinder cocks, cylinder relief valves, gauge glass valves, vent valves, steam and ammonia separators for removing condensation, oil separators for removing oil from steam or air, strainers, steam traps, expansion pipe joints, ] [ pipe flanges; pipe unions, screwed and flanged; pipe supports and hangers, [ drip pockets, ] all made of brass, cast iron malleable iron ferrosteel, cast, forged or rolled steel or other alloy; faucets, bibbs, plumbing waste fixtures, flush valves, mixing valves, ball cocks, and supply valves, all made of brass, cast iron, malleable iron or other alloys; lavatory and sink traps made of earthenware, iron, or brass; bath tubs, showers, closets, urinals, lavatories, sinks, laundry wash trays, flush tanks; fountains and bath room trimmings; namely, clothes hooks, shelves, towel bars, holders for tumblers and soap, all made of iron, brass, glass, marble, wood, or earthenware ]
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7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
[heating materials; namely,] check valves, stop valves, and gate valves; [screwed and flanged pipe fittings,] [ cocks, ] stop check valves, emergency valves, butterfly valves, throttle valves, [ balanced valves, pressure regulators, temperature control valves, relief valves, exhaust relief valves, safety valves, blowoff valves, back pressure valves; boiler trimmings; namely, fusible plugs, union fittings, gauge cocks, drain cocks; and engine trimmings; namely, cylinder cocks, cylinder relief valves, gauge glass valves, vent valves, steam and ammonia separators for removing condensation, oil separators for removing oil from steam or air, strainers, steam traps, expansion pipe joints, ] [ pipe flanges; pipe unions, screwed and flanged; pipe supports and hangers, [ drip pockets, ] all made of brass, cast iron malleable iron ferrosteel, cast, forged or rolled steel or other alloy; faucets, bibbs, plumbing waste fixtures, flush valves, mixing valves, ball cocks, and supply valves, all made of brass, cast iron, malleable iron or other alloys; lavatory and sink traps made of earthenware, iron, or brass; bath tubs, showers, closets, urinals, lavatories, sinks, laundry wash trays, flush tanks; fountains and bath room trimmings; namely, clothes hooks, shelves, towel bars, holders for tumblers and soap, all made of iron, brass, glass, marble, wood, or earthenware ]
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
[heating materials; namely,] check valves, stop valves, and gate valves; [screwed and flanged pipe fittings,] [ cocks, ] stop check valves, emergency valves, butterfly valves, throttle valves, [ balanced valves, pressure regulators, temperature control valves, relief valves, exhaust relief valves, safety valves, blowoff valves, back pressure valves; boiler trimmings; namely, fusible plugs, union fittings, gauge cocks, drain cocks; and engine trimmings; namely, cylinder cocks, cylinder relief valves, gauge glass valves, vent valves, steam and ammonia separators for removing condensation, oil separators for removing oil from steam or air, strainers, steam traps, expansion pipe joints, ] [ pipe flanges; pipe unions, screwed and flanged; pipe supports and hangers, [ drip pockets, ] all made of brass, cast iron malleable iron ferrosteel, cast, forged or rolled steel or other alloy; faucets, bibbs, plumbing waste fixtures, flush valves, mixing valves, ball cocks, and supply valves, all made of brass, cast iron, malleable iron or other alloys; lavatory and sink traps made of earthenware, iron, or brass; bath tubs, showers, closets, urinals, lavatories, sinks, laundry wash trays, flush tanks; fountains and bath room trimmings; namely, clothes hooks, shelves, towel bars, holders for tumblers and soap, all made of iron, brass, glass, marble, wood, or earthenware ]
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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.
[heating materials; namely,] check valves, stop valves, and gate valves; [screwed and flanged pipe fittings,] [ cocks, ] stop check valves, emergency valves, butterfly valves, throttle valves, [ balanced valves, pressure regulators, temperature control valves, relief valves, exhaust relief valves, safety valves, blowoff valves, back pressure valves; boiler trimmings; namely, fusible plugs, union fittings, gauge cocks, drain cocks; and engine trimmings; namely, cylinder cocks, cylinder relief valves, gauge glass valves, vent valves, steam and ammonia separators for removing condensation, oil separators for removing oil from steam or air, strainers, steam traps, expansion pipe joints, ] [ pipe flanges; pipe unions, screwed and flanged; pipe supports and hangers, [ drip pockets, ] all made of brass, cast iron malleable iron ferrosteel, cast, forged or rolled steel or other alloy; faucets, bibbs, plumbing waste fixtures, flush valves, mixing valves, ball cocks, and supply valves, all made of brass, cast iron, malleable iron or other alloys; lavatory and sink traps made of earthenware, iron, or brass; bath tubs, showers, closets, urinals, lavatories, sinks, laundry wash trays, flush tanks; fountains and bath room trimmings; namely, clothes hooks, shelves, towel bars, holders for tumblers and soap, all made of iron, brass, glass, marble, wood, or earthenware ]
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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
[heating materials; namely,] check valves, stop valves, and gate valves; [screwed and flanged pipe fittings,] [ cocks, ] stop check valves, emergency valves, butterfly valves, throttle valves, [ balanced valves, pressure regulators, temperature control valves, relief valves, exhaust relief valves, safety valves, blowoff valves, back pressure valves; boiler trimmings; namely, fusible plugs, union fittings, gauge cocks, drain cocks; and engine trimmings; namely, cylinder cocks, cylinder relief valves, gauge glass valves, vent valves, steam and ammonia separators for removing condensation, oil separators for removing oil from steam or air, strainers, steam traps, expansion pipe joints, ] [ pipe flanges; pipe unions, screwed and flanged; pipe supports and hangers, [ drip pockets, ] all made of brass, cast iron malleable iron ferrosteel, cast, forged or rolled steel or other alloy; faucets, bibbs, plumbing waste fixtures, flush valves, mixing valves, ball cocks, and supply valves, all made of brass, cast iron, malleable iron or other alloys; lavatory and sink traps made of earthenware, iron, or brass; bath tubs, showers, closets, urinals, lavatories, sinks, laundry wash trays, flush tanks; fountains and bath room trimmings; namely, clothes hooks, shelves, towel bars, holders for tumblers and soap, all made of iron, brass, glass, marble, wood, or earthenware ]
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21
Household or kitchen utensils and containers; combs and sponges; brushes (except paint brushes); brush-making materials; articles for cleaning purposes; steelwool; unworked or semi-worked glass (except glass used in building); glassware, porcelain and earthenware not included in other classes.
[heating materials; namely,] check valves, stop valves, and gate valves; [screwed and flanged pipe fittings,] [ cocks, ] stop check valves, emergency valves, butterfly valves, throttle valves, [ balanced valves, pressure regulators, temperature control valves, relief valves, exhaust relief valves, safety valves, blowoff valves, back pressure valves; boiler trimmings; namely, fusible plugs, union fittings, gauge cocks, drain cocks; and engine trimmings; namely, cylinder cocks, cylinder relief valves, gauge glass valves, vent valves, steam and ammonia separators for removing condensation, oil separators for removing oil from steam or air, strainers, steam traps, expansion pipe joints, ] [ pipe flanges; pipe unions, screwed and flanged; pipe supports and hangers, [ drip pockets, ] all made of brass, cast iron malleable iron ferrosteel, cast, forged or rolled steel or other alloy; faucets, bibbs, plumbing waste fixtures, flush valves, mixing valves, ball cocks, and supply valves, all made of brass, cast iron, malleable iron or other alloys; lavatory and sink traps made of earthenware, iron, or brass; bath tubs, showers, closets, urinals, lavatories, sinks, laundry wash trays, flush tanks; fountains and bath room trimmings; namely, clothes hooks, shelves, towel bars, holders for tumblers and soap, all made of iron, brass, glass, marble, wood, or earthenware ]