ELECTRICAL FITTINGS CORP. V. THOMAS & BETTS CO.
307 U.S. 241 (1939).
NATURE OF THE CASE: This was an action in equity for an infringement of a patent.
FACTS: Thomas and Betts Co. (P) sued Electrical Fittings Corp. (D) in equity for a patent infringement. The district court held Claim 1 to be valid and then dismissed the suit for failure to prove infringement. P did not appeal. P filed a disclaimer of Claim 2 with the Patent Office. D appealed the part of the decree that adjudicated Claim 1 valid. The circuit court of appeals dismissed the appeal; D had been awarded all the relief to which it was entitled. The Supreme Court granted certiorari.
ISSUE:
RULE OF LAW:
HOLDING AND
DECISION:
LEGAL ANALYSIS:
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