SIGMA Trademark
Serial Number: 73307200 • Registration: 1200297
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
April 24, 1981
Registration Date
July 6, 1982
First Use Anywhere
March 1, 1978
First Use in Commerce
March 1, 1978
Published for Opposition
April 13, 1982
Cancellation Date
February 28, 1989