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LACLEDE-CHRISTY COMPANY v. UNION FIRE BRICK COMPANY

No. 10548.

194 F.2d 533 (1952)

LACLEDE-CHRISTY COMPANY v. UNION FIRE BRICK COMPANY and Harry W. Walters, Appellants.

United States Court of Appeals Third Circuit.

Decided February 28, 1952.

Attorney(s) appearing for the Case

Carl F. Schaffer, Toledo, Ohio (Brown, Critchlow, Flick & Peckham and Paul N. Critchlow, Pittsburgh, Pa., Allen Owen, Henry K. Leonard, Toledo, Ohio, on the brief), for appellants.

William B. Jaspert, Pittsburgh, Pa., for appellee.

Before KALODNER and HASTIE, Circuit Judges, and MODARELLI, District Judge.

PER CURIAM.

This appeal is from the judgment of the District Court in a declaratory judgment proceeding that the appellants' patent1 was invalid "for lack of invention". The District Court specifically found as a fact that the principles involved in the patent constituted "an improvement upon checker work then in use in the trade" but that they were the product of mechanical skill and not the product of inventive genius. We have examined...

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