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CHICAGO METALLIC MFG. CO. v. EDWARD KATZINGER CO.

No. 8753.

153 F.2d 149 (1946)

CHICAGO METALLIC MFG. CO. v. EDWARD KATZINGER CO.

Circuit Court of Appeals, Seventh Circuit.

Writ of Certiorari Granted April 29, 1946.

Attorney(s) appearing for the Case

Charles J. Merriam and George A. Chritton, both of Chicago, Ill. (Chritton, Wiles, Schroeder, Merriam & Hofgren, of Chicago, of counsel), for appellant.

Ephraim Banning and Max W. Zabel, both of Chicago, Ill., for appellee.

Before SPARKS and KERNER, Circuit Judges, and BALTZELL, District Judge.

Writ of Certiorari Granted April 29, 1946. See 66 S.Ct. 981.

BALTZELL, District Judge.

This appeal challenges the correctness of the decree of the district court in which the Jackson patent in suit, No. 2,077,757, was found to be invalid. The application was filed in the Patent Office on August 17, 1936, and the patent issued on April 20, 1937. The case has twice before been on appeal to this court. See 123 F.2d 518;

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