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COPEMAN LABORATORIES CO. v. NORGE DIVISION OF BORG-WARNER CORPORATION

No. 10682.

171 F.2d 288 (1948)

COPEMAN LABORATORIES CO. v. NORGE DIVISION OF BORG-WARNER CORPORATION et al. COPEMAN LABORATORIES CO. v. GENERAL MOTORS CORPORATION.

United States Court of Appeals Sixth Circuit.

December 20, 1948.

Attorney(s) appearing for the Case

Casper W. Ooms, of Chicago, Ill. (Barnes, Kisselle, Laughlin & Raisch, and Robert A. Choate, all of Detroit, Mich., Arthur M. Smith, of Dearborn, Mich., and Casper W. Ooms, of Chicago, Ill., on the brief), for appellant.

Harry W. Lindsey, Jr., and Howard W. Hodgkins, both of Chicago, Ill. (Harry W. Lindsey, Jr., George N. Hibben, Edward C. Gritzbaugh, Howard W. Hodgkins and Gerrit P. Groen, all of Chicago, Ill., on the brief), for appellees.

Before ALLEN, MARTIN, and MILLER, Circuit Judges.

PER CURIAM.

This appeal involves the validity of the Kisselle reissue patent 20,693 for sharp freezing container. The question of the Hathorne Patent 1,932,731, which was raised in the court below, has been abandoned on appeal. The patented device, which has never been commercially produced or sold, is described in the specification as being in the "nature of an improvement over prior art ice cube trays" (such as certain rubber trays and trays disclosing a triangular...

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