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DREYFUS v. LILIENFELD

Patent Appeals Nos. 2773, 2775.

49 F.2d 1065 (1931)

DREYFUS v. LILIENFELD. LILIENFELD v. DREYFUS.

Court of Customs and Patent Appeals.

June 5, 1931.

Attorney(s) appearing for the Case

Baldwin & Wight, of Washington, D. C. (Lloyd B. Wight, of Washington, D. C., and Chas. W. Levinson, of New York City, of counsel), for Dreyfus.

Charles L. Sturtevant and Arthur B. Foster, both of Washington, D. C., Newton M. Perrins and Daniel I. Mayne, both of Rochester, N. Y., for Lilienfeld.

Before GRAHAM, Presiding Judge, and BLAND, HATFIELD, GARRETT, and LENROOT, Associate Judges.

GRAHAM, Presiding Judge.

An interference was declared on August 19, 1924, by the United States Patent Office between a patent, No. 1,451,330, granted to Henry Dreyfus, on April 10, 1923, on an application filed August 5, 1920, and an application of the party Leon Lilienfeld, serial No. 695,854, which was filed February 28, 1924.

The subject-matter of said interference was set out in six counts, which are as follows:

"Count 1. Process for the manufacture...

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