73642935
Feb 4, 1987
Feb 14, 1989
TILES, NAMELY CONCRETE ROOFING TILES AND RIDGE TILE; ROOF-GUTTERING AND DOWNPIPES AND ELBOWS, CONNECTIONS, ADAPTERS AND BRACKETS FOR SUCH GUTTERING AND DOWNPIPES, ALL BEING NON-METALLIC; CONCRETE PANELS FOR COVERING WALLS; CONCRETE ROOF PANELS; CONCRETE MASONRY BRICKS; CONCRETE BUILDINGS SUBSTRUCTURES AND STRUCTURAL MEMBERS NAMELY BRIDGE BEAMS, PILES, MULLIONS, COLUMNS, WHARF UNITS, SPECTATOR STANDS AND ROOF, FLOORING, DECKING AND WALL UNITS; CONCRETE AND PLASTIC TUNNELINGS; CONCRETE POSTS AND POLES INCLUDING ELECTRICAL TRANSMISSION AND LIGHT POLES AND POSTS FOR FENCING AND FOR GUARDRAILS; CONCRETE AND PLASTIC PIPES; CONCRETE TRAMWAY AND RAILWAY SLEEPERS; CONCRETE PAVING BLOCKS AND SLABS; WELL LININGS, CABLE COVERS, TANKS, TUBING, WATER TANKS, SILOS, MANHOLE LINER BOXES, MANHOLE COVERS AND GUTTERING FOR DRAINAGE AND IRRIGATION CHANNELS; AND THE FOLLOWING ARTICLES COMPOSED WHOLLY OR MAINLY OF CONCRETE, ANCHOR BLOCKS, BOX CULVERTS, CRIB BLOCKS, GUTTERING, CURBING, MANHOLE UNITS, SEWERAGE FITTINGS, SILO STAVES, TROUGHING, PRE-TENSIONED BEAMS AND POST-TENSIONED BEAMS; CONCRETE AND PLASTIC LINERS AND MEMBERS FOR RETAINING WALLS FOR EARTHWORKS AND LANDSCAPING; AGGREGATE AND SCREENINGS NAMELY POLISHED AGGREGATE AND SCREENING OF CRUSHED ROCK AND STONE; PRE-MIXED CONCRETE
Nonmetallic Building Materials