U.S. federal trademark · Serial No. 79109614 · Reg. No. 4287302
non-metal building materials, namely, building stones, agglomerate stones and natural stone, all for use in the manufacture and production of worktops, countertops, flooring and cladding; natural stone slabs and tiles; slabs of clay, granite, quartz and silica stone; granite; quartz; silica stone; quartz in the nature of silica stone; plastic clay compositions for refractory brick and refractory compositions capable of being rammed into shapes including floor and wall tile; ceramics composed of silicoaluminates
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