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CHEMICAL CONSTRUCTION CORP. v. JONES & LAUGHLIN STEEL CORP.

Nos. 13825, 13826.

311 F.2d 367 (1962)

CHEMICAL CONSTRUCTION CORPORATION, Plaintiff-Appellant, v. JONES & LAUGHLIN STEEL CORPORATION, Defendant-Appellee. CHEMICAL CONSTRUCTION CORPORATION, Plaintiff-Appellee, v. JONES & LAUGHLIN STEEL CORPORATION, Defendant-Appellant.

United States Court of Appeals Third Circuit.

Decided December 18, 1962.

Attorney(s) appearing for the Case

Walter H. Free, New York City, (Brumbaugh, Free, Graves & Donohue, John W. Brumbaugh, James N. Buckner, New York City, on the brief), for Chemical Const. Corp.

Walter J. Blenko, Jr., Pittsburgh, Pa., (Walter J. Blenko, Gordon R. Harris, Blenko, Hoopes, Leonard & Buell, Pittsburgh, Pa., on the brief), for Jones & Laughlin Steel Corp.

Before BIGGS, Chief Judge, and GANEY and SMITH, Circuit Judges.

SMITH, Circuit Judge.

These appeals are from a judgment entered in an action for the infringement of Patent No. 2,604,185, granted in July of 1952, on an application filed by Johnstone and Anthony in November of 1946, and assigned to the Pease-Anthony Equipment Company prior to the grant thereof. The patent and all rights thereunder were later assigned to the plaintiff. The only claims in issue in the trial of the action were 5, 6, 8 and 9, which were held invalid...

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