DREYFUS v. LILIENFELD

Patent Appeal No. 2772.

49 F.2d 1062 (1931)

DREYFUS v. LILIENFELD.

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 S. Foster, both of Washington, D. C., and Daniel I. Mayne, of Rochester, N. Y., for Lilienfeld.

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


LENROOT, Associate Judge.

This is an appeal involving ten counts of an interference, No. 50554, declared in the United States Patent Office between an application for patent, No. 401,381, filed by appellant on August 5, 1920, an application for patent, No. 611,516, filed by appellee on January 8, 1923 (which was a division of a prior copending application, No. 436,604, filed by appellee on January 11, 1921), and an application, No. 468,756, filed by certain other...

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