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IN RE PETERSON

Patent Appeal No. 4728.

136 F.2d 755 (1943)

In re PETERSON et al.

Court of Customs and Patent Appeals.

June 1, 1943.

Attorney(s) appearing for the Case

Mason & Porter, of Washington, D. C. (Eugene G. Mason and Herbert H. Porter, both of Washington, D. C., of counsel), for appellants.

W. W. Cochran, of Washington, D. C. (E. L. Reynolds, of Washington, D. C., of counsel) for the Commissioner of Patents.

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

LENROOT, Associate Judge.

In this appeal we are asked to reverse a decision of the Board of Appeals affirming a decision of the Primary Examiner rejecting claim 20 of appellants' application for a patent upon the ground of unpatentability over the cited prior art. Three claims were allowed by the Primary Examiner.

The claim before us reads as follows: "20. A ballcock valve for use in automatically filling a tank, including a valve seat; a discharge chamber...

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