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IN RE DE LANY

Patent Appeal No. 2569.

46 F.2d 370 (1931)

In re De LANY.

Court of Customs and Patent Appeals.

February 3, 1931.

Attorney(s) appearing for the Case

Nelson J. Jewett, of Washington, D. C. (Browne & Phelps, of Washington, D. C., of counsel), for appellant.

T. A. Hostetler, of Washington, D. C. (Howard S. Miller, of Washington, D. C., of counsel), for Commissioner of Patents.

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

LENROOT, Associate Judge.

This is an appeal from a decision of the Board of Appeals of the United States Patent Office rejecting claim 9 of appellant's application on the ground that said claim is not readable on appellant's disclosure and that it is unpatentable over the prior art. The appealed claim reads as follows:

"In a reciprocating engine, two pistons adapted to reciprocate in opposite directions, a space between the said pistons, an open ended cylinder...

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