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VISCHER PRODUCTS CO. v. NATIONAL PRESSURE COOKER CO.

No. 9693.

178 F.2d 125 (1949)

VISCHER PRODUCTS CO. v. NATIONAL PRESSURE COOKER CO.

United States Court of Appeals Seventh Circuit.

November 17, 1949.

Attorney(s) appearing for the Case

Warren C. Horton, Benjamin F. Wupper, Chicago, Ill., for appellant.

Edward A. Haight, Chicago, Ill., Samuel H. Maslon, Minneapolis, Minn., Francis J. Wilcox, Eau Claire, Wis., George I. Haight, Chicago, Ill., Phillip Breitman, Eau Claire, Wis., of counsel, attorneys for defendant-appellee.

Before KERNER, FINNEGAN and LINDLEY, Circuit Judges.

KERNER, Circuit Judge.

This is an appeal by plaintiff from a judgment dismissing the complaint which charged defendant with infringement of claims 6, 7, 8, 9 and 10 of Patent No. 2,301,724, issued to Alfred Vischer, Jr. on November 10, 1942 on an application filed May 18, 1938 for "a pressure relief device." The case was tried by the court without a jury. Claims 8, 9 and 10 have been disclaimed, leaving only claims 6 and 7 to be considered. The issues were: (1) Whether...

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