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APPLICATION OF DAVIS

Patent Appeal No. 6350.

254 F.2d 161 (1958)

Application of William H. DAVIS.

United States Court of Customs and Patent Appeals.

April 11, 1958.

Attorney(s) appearing for the Case

W. E. McCorquodale, Jr., Philadelphia, Pa., for appellant.

Clarence W. Moore, Washington, D. C. (Arthur H. Behrens, Washington, D. C., of counsel), for the Commissioner of Patents.

Before JOHNSON, Chief Judge, and O'CONNELL, WORLEY, RICH, and JACKSON, retired, Associate Judges.

JOHNSON, Chief Judge.

This is an appeal from a decision of the Patent Office Board of Appeals rejecting the single claim in appellant's application No. 301,233, filed July 28, 1952, for "Fractionation Process," as unpatentable over the prior art.

The claim reads as follows:

"1. Process of fractionating a fluid mixture which comprises: feeding the mixture to a fractionating zone maintained under relatively high pressure; distilling overhead from the...

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