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NATIONAL SUPPLY CO. v. AMERICAN MFG. CO. OF TEXAS

No. 8760.

100 F.2d 214 (1938)

NATIONAL SUPPLY CO. v. AMERICAN MFG. CO. OF TEXAS.

Circuit Court of Appeals, Fifth Circuit.

December 9, 1938.

Attorney(s) appearing for the Case

Edward A. Lawrence, of Pittsburgh, Pa., and B. L. Agerton, of Fort Worth, Tex., for appellant.

Jack A. Schley, of Dallas, Tex., and U. M. Simon, of Fort Worth, Tex., for appellee.

Before SIBLEY, HUTCHESON, and McCORD, Circuit Judges.

SIBLEY, Circuit Judge.

The suit is for infringement of claims 4, 5 and 6, of patent No. 1,823,163 to I. B. Picard for a pumping jack, application filed Nov. 20, 1930. The district court held the claims invalid for want of invention. We agree.

Picard states in his application: "The principal object of this invention is to provide a pumping jack with links connected between the jack frame and the pump rod so as to provide an approximately straight line travel...

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