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HARTOG v. LONG

Patent Appeal No. 2610.

47 F.2d 369 (1931)

HARTOG v. LONG.

Court of Customs and Patent Appeals.

February 25, 1931.

Attorney(s) appearing for the Case

Wm. L. Symons, of Washington, D. C. (Bacon & Thomas, of Washington, D. C., and Rippy & Kingsland, of St. Louis, Mo., of counsel), for appellant.

Swan & Frye, of Detroit, Mich. (Wm. M. Swan and Geo. Rex Frye, both of Detroit, Mich., of counsel), for appellee.

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

GRAHAM, Presiding Judge.

On August 13, 1919, the appellee, Elmer C. Long, filed his application, serial No. 317,273, for an improvement in pistons for internal combustion engines. On February 16, 1920, the appellant, Stephen D. Hartog, filed a like application for patent, serial No. 359,137. On July 7, 1923, an interference proceeding was instituted and declared between said copending applications and other applications.

As originally framed, this interference...

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