Serial Number
71138621
Owner
NL INDUSTRIES, INC.First Use Date
Jun 1, 1918
Filing Date
Oct 21, 1920
TANSUL Trademark
Serial Number: 71138621 • Registration: 0147748
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
October 21, 1920
Registration Date
November 1, 1921
First Use Anywhere
June 1, 1918
First Use in Commerce
June 1, 1918
Cancellation Date
August 3, 2002