17 HEAT-INSULATING MATERIALS AND SHAPED ARTICLES IN THE FORM OF BOARDS, BLOCKS, SLABS, SHEETS, SLEEVES AND TILES FOR USE IN METAL CASTING PROCESSES IN THE METALLURGICAL INDUSTRY
Trademark Events
Aug 9, 2000
Expired Sec. 9
May 23, 1984
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.