U.S. federal trademark · Serial No. 72040174 · Reg. No. 0667931
STRUCTURAL AND INSULATING MATERIAL OF LIGHT-WEIGHT CONCRETE FORMED INTO BUILDING SLABS, ROOFING, FLOOR AND WALL SLABS, BEAMS, BLOCKS, INSULATING SLABS, AND AS A FIRE RESISTANT CORE MATERIAL FOR DOORS, PARTITION PANELS AND BUILDING PANELS OVER WHICH DECORATIVE FACES ARE APPLIED
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