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  5. 166 F.2d 181 (1948)
 

APPLICATION OF PRUTTON

Patent Appeal No. 5400.

166 F.2d 181 (1948)

Application of PRUTTON.

Court of Customs and Patent Appeals.

February 10, 1948.

Attorney(s) appearing for the Case

Oberlin & Limbach, of Cleveland, Ohio (Almon S. Nelson, of Washington, D. C., and Oscar Limbach, of Cleveland, Ohio, of counsel), for appellant.

W. W. Cochran, of Washington, D.C. (J. Schimmel, of Washington, D.C., of counsel), for the Commissioner of Patents.

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

HATFIELD, Associate Judge.

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the rejection by the Primary Examiner of all of the claims, Nos. 2 to 51, inclusive, in appellant's application for a patent for an alleged invention relating to lubricating compositions.

Claim 2, which is representative of the appealed claims, reads:

"An extreme pressure lubricating composition comprising a major proportion...

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