Serial Number
72073687
Owner
DRESSER INDUSTRIES, INC.First Use Date
Oct 1, 1958
Filing Date
May 14, 1959
MASROCK Trademark
Serial Number: 72073687 • Registration: 0702088
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
May 14, 1959
Registration Date
August 2, 1960
First Use Anywhere
October 1, 1958
First Use in Commerce
October 1, 1958
Cancellation Date
August 18, 2001
Goods & Services
Bricks, Blocks and Special Shaped Molded Amorphous Silica for Refractory Uses