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IN RE PRUTTON

Patent Appeal No. 4526.

120 F.2d 332 (1941)

In re PRUTTON et al.

Court of Customs and Patent Appeals.

June 9, 1941.

Attorney(s) appearing for the Case

Oberlin, Limbach & Day, of Cleveland, Ohio (O. C. Limbach and A. S. Nelson, both of Cleveland, Ohio, of counsel), for appellants.

W. W. Cochran, of Washington, D. C. (Howard S. Miller, 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.

This is an appeal from a decision of the Board of Appeals of the United States Patent Office affirming a decision of the examiner rejecting all of the claims, seven in number, of appellants' application for a patent.

Claim 1 is illustrative of the subject matter of the claims and reads as follows:

"1. A lubricating composition including as a principal lubricating constituent the combination of both added sulphur in solution...

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