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CLARKSON MFG. CO. v. MARZALL

No. 10936.

194 F.2d 892 (1952)

CLARKSON MFG. CO. v. MARZALL, Commissioner of Patents.

United States Court of Appeals District of Columbia Circuit.

Decided February 14, 1952.

Attorney(s) appearing for the Case

John H Bruninga, St. Louis, Mo., with whom Richard G. Radue, Washington, D. C., was on the brief, for appellant.

H. S. Miller, U. S. Patent Office, Washington, D. C., with whom E. L. Reynolds, Solicitor, U. S. Patent Office, Washington, D. C., was on the brief, for appellee.

Before KIMBROUGH STONE, Circuit Judge (Retired) sitting by designation, and FAHY and WASHINGTON, Circuit Judges.

WASHINGTON, Circuit Judge.

This is a suit under R.S.4915, 35 U.S.C.A. § 63, to obtain a patent on a piece of mining equipment.

Appellant's machine is used in the loading of coal in the mine. It suggests, in its general outline, a mechanical crocodile. The head (the "loader-gatherer") is equipped with steel teeth which bite into the coal; the body ("chassis"), which rests on wheels, carries the operator and contains the motor and controls. A conveyor system...

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