71509589
Sep 23, 1946
Dec 6, 1949
SHEET MATERIAL, IN THE NATURE OF PAPER AND CLOTH, COATED ON A SURFACE THEREOF WITH GRANULAR MATERIAL TO PROVIDE A WEAR-RESISTANT NON-SKID COVERING FOR TRAFFIC-BEARING SURFACES SUCH AS FLOORS, TREADS, STEPS, RAMPS, ROADWAYS, DECKS, DOCKS, GANGWAYS, SPRING BOARDS, AND THE LIKE
Vehicles