Serial Number
72014478
Owner
TRIO LABORATORIES, INC.First Use Date
Apr 19, 1954
Filing Date
Aug 23, 1956
TRIO Trademark
Serial Number: 72014478 • Registration: 0663772
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
August 23, 1956
Registration Date
July 1, 1958
First Use Anywhere
April 19, 1954
First Use in Commerce
April 19, 1954
Goods & Services
ELECTRONIC LABORATORY INSTRUMENTS-NAMELY, VACUUM TUBE VOLTMETERS AND POWER SUPPLIES THEREFOR, ELECTRONIC AUDIO FREQUENCY GENERATORS AND VACUUM TUBE AMMETERS