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IN RE McCALLUM

Patent Appeal No. 3496.

79 F.2d 924 (1935)

In re McCALLUM et al.

Court of Customs and Patent Appeals.

December 2, 1935.

Attorney(s) appearing for the Case

James A. Carr and Joseph J. Gravely, both of St. Louis, Mo. (R. Peale Herrick, of Washington, D. C., of counsel), for appellants.

R. F. Whitehead, of Washington, D. C. (Howard S. Miller, of Washington, D. C., of counsel), for Commissioner of Patents.

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

GRAHAM, Presiding Judge.

The appellants filed their application in the United States Patent Office for a patent upon an alleged new and useful improvement in a process for treating pyrites. In connection with this application, 29 claims were filed, numbered from 1 to 29, inclusive. All claims were rejected by the Examiner. On appeal, the Board of Appeals reversed the decision of the Examiner as to claims 20, 21, 22, 24, and...

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