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IN RE LEUM

Patent Appeal No. 5210.

158 F.2d 311 (1946)

In re LEUM et al.

Court of Customs and Patent Appeals.

December 9, 1946.

Attorney(s) appearing for the Case

Norbert E. Birch, of Washington, D. C., 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, JACKSON, and O'CONNELL, Associate Judges.

JACKSON, Associate Judge.

This is an appeal from a decision of the Board of Appeals of the United States Patent Office affirming that of the Primary Examiner rejecting all of the claims 7, 8, 9 and 12 of an application for a patent alleging new and useful improvements in a method of producing toluene from alkylated aromatic hydrocarbons by catalytic treatment in the presence of benzene for lack of invention over the patent to Sachanen, et al., 2,257,920, October 7...

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