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THERM-O-PROOF INSULATION CO. v. SLAYTER & CO.

No. 5399.

80 F.2d 557 (1935)

THERM-O-PROOF INSULATION CO. v. SLAYTER & CO.

Circuit Court of Appeals, Seventh Circuit.

December 21, 1935.

Attorney(s) appearing for the Case

George W. Hansen, Sidney Neuman, and Joseph F. Devereux, Jr., all of Chicago, Ill., for appellant.

Charles B. Belknap, of Toledo, Ohio, and Lee J. Gary and Albert G. McCaleb, both of Chicago, Ill., for appellee.

Before EVANS and SPARKS, Circuit Judges, and BRIGGLE, District Judge.

This suit was brought to enjoin infringement of appellee's patent, No. 1,728,837, applied for September 30, 1927, and issued September 17, 1929, covering "Method of Heat Insulating." The court found for appellee, and an interlocutory, injunctional, and accounting decree was entered. Defendant appealed.

EVANS, Circuit Judge.

Patentee was most unfortunate in wording his claim. He entitled his patent "Method of Heat Insulating." His first claim starts with these...

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