14 ZIRCONIUM, HAFNIUM, COLUMBIUM, TANTALUM, TUNGSTEN, AND TITANIUM METALS AND THEIR ALLOYS IN THE FORM OF SHEETS, BARS, RODS, FOIL, TUBES, WIRE, POWDER, AND FORGED SHAPES
Trademark Events
Feb 8, 1993
Expired Sec. 9
Feb 6, 1978
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.