United States Steel Corporation v. Bijur Lubricating Corporation

WORLEY, Chief Judge.

This is an appeal from the decision of the Trademark Trial and Appeal Board of the United States Patent Office dismissing an opposition by registrant, appellant here, to an application of applicant, appellee here, for registration of the letter “B” in a diamond-shaped border design as a trademark for “tubing and couplings,” subsequently restricted by amendment to “small diameter tubing and couplings to be incorporated in centralized lubricating equipment for machine tools, automotive vehicles and the like.” Use since April 15, 1953, is alleged.

Registrant bases its…