17 MATERIALS MADE PRINCIPALLY OF SILICON CERAMICS IN THE FORM OF SHEETS, FILMS, BARS, RODS, TUBES, BLOCKS AND SHAPED SECTIONS, BEING FOR INDUSTRIAL USE
Trademark Events
Jan 14, 2006
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Jun 8, 1995
Registered And Renewed (First Renewal - 10 Yrs)
Mar 22, 1995
Registered - Sec. 9 Filed/Check Record For Sec. 8
Apr 6, 1981
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.