26 Crucibles, Tubes, Rods, Plates, Sheets, All Primarily Adapted for High-Temperature Use; and Crucible Wash Formed of a Beryllium Oxide Slurry and Also Primarily Adapted for High-Temperature Applications
Trademark Events
Jul 6, 2001
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Oct 25, 1984
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.