-
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.
ducts and pipes of metal for central heating installations
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
direct vents for gas appliances
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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.
flexible pipes, not of metal; non-metallic flexible pipes
-
19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.
non-metal vent cover for hvac ducts
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42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
design for others in the field of ducts, vents, vent covers and pipes for use with hvac (heating, ventilation and air conditioning), environmental air and drinking water systems, excluding drinking water treatment equipment and drinking water filtration equipment consultation, rental, retail sales, delivery, installation, cleaning, repair and maintenance services and testing, analysis and evaluation of drinking water quality services