Serial Number
72136200
Owner
CALUMET & HECLA, INC.First Use Date
Nov 24, 1961
Filing Date
Jan 22, 1962
PANELFIN Trademark
Serial Number: 72136200 • Registration: 0768760
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
January 22, 1962
Registration Date
April 28, 1964
First Use Anywhere
November 24, 1961
First Use in Commerce
November 24, 1961
Goods & Services
HEAT EXCHANGE PRODUCT FOR USE IN THERMOELECTRIC ENERGY CONVERSION AND COOLING OF ELECTRIC COMPONENTS