Serial Number
71439252
Owner
MARINE MAGNESIUM PRODUCTS CORPORATIONFirst Use Date
Apr 5, 1933
Filing Date
Dec 28, 1940
HYDRO-MAGMA Trademark
Serial Number: 71439252 • Registration: 0395220
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
December 28, 1940
Registration Date
May 19, 1942
First Use Anywhere
April 5, 1933
First Use in Commerce
April 5, 1933
Cancellation Date
February 22, 2003