Serial Number
71434454
Owner
MINE SAFETY APPLIANCES COMPANYFirst Use Date
Oct 2, 1937
Filing Date
Jul 29, 1940
EXPLOSIMETER Trademark
Serial Number: 71434454 • Registration: 0383245
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
July 29, 1940
Registration Date
November 26, 1940
First Use Anywhere
October 2, 1937
First Use in Commerce
October 2, 1937
Cancellation Date
October 15, 2021