6 CAST METAL ARTICLES HAVING A SURFACE LAYER OF HARD GRANULAR MINERAL ELEMENTS-NAMELY, STAIR TREADS, ELEVATOR-DOOR SILLS, AND DOOR SADDLES, AND OTHER ANTISLIP WALKING SURFACES
Trademark Events
Oct 7, 1996
Expired Sec. 9
Sep 9, 1981
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.