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

No. 8320.

139 F.2d 291 (1943)

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

Circuit Court of Appeals, Seventh Circuit.

December 10, 1943.

Attorney(s) appearing for the Case

Samuel W. Banning, Ephraim Banning, and Max W. Zabel, all of Chicago, Ill., for appellant.

Charles J. Merriam, Russell Wiles, and Stanley Hoods, all of Chicago, Ill., for appellee.

Before MAJOR, KERNER, and MINTON, Circuit Judges.

MINTON, Circuit Judge.

The only question presented on this record is whether or not the plaintiff-appellant is estopped to deny the validity of Mechanical Patent No. 2,077,757 and Design Patent No. D-108573 for a baking pan, issued to one Jackson April 20, 1937 and February 22, 1938, respectively. These patents were assigned to the defendant-appellee, who is now the owner thereof. The District Court did not pass upon the validity of these patents as to all the world...

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