Serial Number
73200786
Owner
HARSHAW CHEMICAL COMPANY, THEFirst Use Date
Mar 1, 1978
Filing Date
Jan 22, 1979
SIGMA-2 Trademark
Serial Number: 73200786 • Registration: 1152809
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
January 22, 1979
Registration Date
May 5, 1981
First Use Anywhere
March 1, 1978
First Use in Commerce
March 1, 1978
Published for Opposition
February 5, 1980
Cancellation Date
March 11, 2016