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UNITED STATES HOFFMAN M. CORP. v. CUMMINGS-LANDAU M. CO.

No. 369.

113 F.2d 424 (1940)

UNITED STATES HOFFMAN MACHINERY CORPORATION v. CUMMINGS-LANDAU MACHINERY CO., Inc.

Circuit Court of Appeals, Second Circuit.

July 15, 1940.

Attorney(s) appearing for the Case

Morrison, Kennedy & Campbell, of Washington, D. C. (Clarence B. Des Jardins, of Washington, D. C., and Arnold S. Worfolk, of New York City, of counsel), for defendant-appellant.

Daniel L. Morris and Blair, Curtis, Dunne & Hayward, all of New York City (Edward G. Curtis and Charles C. Ladd, both of New York City, of counsel), for plaintiff-appellee.

Before L. HAND, AUGUSTUS N. HAND, and CHASE, Circuit Judges.

L. HAND, Circuit Judge.

This is an appeal from a judgment for the plaintiff in an action to enjoin the infringement of Patent No. 1,723,940, issued August 6, 1929, for a centrifugal machine, used principally to dry clothes. The patent had only one claim, and the only issue we need discuss is its validity. Such machines consist of a casing, or "curb", a basket, rotating within the "curb" upon a shaft, and a motor to spin the shaft. The machine hangs by three "links...

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