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IN RE DEMAREST

Patent Appeal No. 2247.

38 F.2d 895 (1930)

In re DEMAREST.

Court of Customs and Patent Appeals.

March 19, 1930.

Attorney(s) appearing for the Case

Paul Carpenter and Ralph B. Stewart, both of Washington, D. C. (Brendan J. McCann, of Chicago, Ill., of counsel), for appellant.

T. A. Hostetler, of Washington, D. C., for Commissioner of Patents.

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

HATFIELD, Associate Judge.

This is an appeal from the decision of the Commissioner of Patents affirming the decision of the Examiners in Chief which, in turn, had affirmed the decision of the Primary Examiner rejecting appellant's claims 3, 4, 29, and 39 for an alleged invention relating to improvements "in cross-heads, and particularly such devices as are employed on steam locomotive engines."

Claims 3, 4, and 29 are illustrative. They read:

"3. A...

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