U.S. federal trademark · Serial No. 73036327 · Reg. No. 1020351
CAST METAL HAVING A SURFACE COATED BY GRANULAR MINERAL ELEMENTS, AND USED AS SURFACES FOR PUMPS, PIPES, LINING PLATES, GRATES FOR COAL-CHUTING JIGS, STAIR TREADS, TREAD SURFACES, AND SURFACES WHICH ARE HIGHLY RESISTANT TO ANY ABRADING ACTION AND WHICH HAVE ANTI-SLIPPING PROPERTIES
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