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, included in class 6; ores; reinforcing supports for plastic hollow chamber profiles used in window construction; U-profiles of metal with channels of punched holes being reinforcing supports; reinforcing materials of metal for building; fittings of metal for buildings; metal building materials; brackets of metal for building; fittings of metal for windows; window frames of metal; sash fasteners for windows of metal; insect screens of metal; small items of metal hardware for building; wall claddings of metal (building); nails and screws of metal; door and window lintels of metal; window catches of metal; linings of metal for window construction
17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and included in class 17; semi-finished plastic products; packing, stopping and insulating materials; flexible pipes, not of metal; expansion joint fillers; seals for window construction, included in class 17; sealing compounds for building construction; packing material for building construction; plastics in extruded form for use in manufacture, for window case profiles or window frame profiles; joint-sealing compounds for building construction; noise-insulating materials for building construction; heat-insulating materials for building construction
19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal; reinforcing materials, not of metal, for building; blinds (outdoor), not of metal and not of textile; timber; building glass; windows, not of metal; window frames, not of metal; shutters, not of metal; insect screens, not of metal; window frames and window casesin particular in the form of plastic hollow chamber profiles; panes of glass for building purposes; blinds, not of metal; skylights, not of metal, for use in window construction; window and door lintels, not of metal; framework, not of metal, for building
37
Building construction; repair; installation services; demolition of buildings; building sealing; window construction information; building insulating; burglar-alarm system installation
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; architecture; architectural consultancy; civil engineering; drawing up finite element calculations for heat loss through windows; surveying in the field of window construction; construction drafting for window construction; licensing of industrial property rights; technical project planning for window construction; material testing