IC 017. US 001 005 012 013 035 050. G & S: ELASTOMERIC RINGS FOR USE AS PNEUMATIC AND HYDRAULIC SEALS; NON-METALLIC PIPE SEGMENTS; PIPE LAYING ACCESSORIES, NAMELY, COLLARS, COUPLINGS, JOINTS, AND GASKETS; RUBBER AND PLASTIC LAYING ACCESSORIES FOR PIPES, NAMELY, PIPE FITTINGS AND ADAPTERS, BRANCHES, PIPE SEGMENTS, FLUME ELEMENTS, PROFILED JOINTS, SEAL RINGS, PIPE AND SHAFT FITTINGS, PLUG-IN SOCKETS AND COUPLING SLEEVES; RUBBER AND PLASTIC PIPE MODULES FOR SANITARY, HEATING AND INDUSTRIAL APPLICATIONS, AS WELL AS FOR SEWERAGE INSTALLATION; PIPE JOINTS AND JOINT COMPOUND, RUBBER AND PLASTIC LEVELING RINGS

IC 019. US 001 012 033 050. G & S: NON-METALLIC BUILDING MATERIALS, NAMELY, THOSE MADE FROM PLASTIC AND CONCRETE, NAMELY, PIPES FOR BUILDING PURPOSES MADE FROM PLASTIC AND CONCRETE; NAMELY, PIPES FOR INSTALLATION IN DOMESTIC, INDUSTRIAL AND SEWAGE ENGINEERING; INFILTRATION WATER RESERVOIRS AND COLLECTING TANKS OF MASONRY FOR SEWAGE WATER AND RAIN WATER; DRAIN PIPES AND CONDUITS MADE OF CONCRETE, EARTHENWARE OR SANDSTONE; FRAMEWORKS OF CONCRETE FOR BUILDINGS; CONCRETE BUILDING MATERIALS, NAMELY, SHAFTS; GEOTEXTILES, NAMELY, NON-WOVEN TEXTILES MADE OF SYNTHETIC FIBERS FOR USE IN THE BUILDING INDUSTRY