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IN RE LIEBERGELD

Patent Appeal No. 3110.

64 F.2d 541 (1933)

In re LIEBERGELD et al.

Court of Customs and Patent Appeals.

April 24, 1933.

Attorney(s) appearing for the Case

Brown & Critchlow, of Pittsburgh, Pa. (Paul N. Critchlow, Jo. Baily Brown, and Jesse R. Langley, all of Pittsburgh, Pa., of counsel), for appellants.

T. A. Hostetler, of Washington, D. C. (Howard S. Miller, of Washington, D. C., of counsel), for the Commissioner of Patents.

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

GARRETT, Associate Judge.

There is here before us, upon appeal from the decision of the Board of Appeals of the United States Patent Office, affirming the decision of the examiner, one claim of an application for patent on alleged "improvements in Process for the production of seamless tubes according to the hot extrusion process by means of mechanically driven presses."

The original application, serial 80338, was...

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