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  5. 162 F.2d 224 (1947)
 

APPLICATION OF LIESER

Patent Appeal No. 5306.

162 F.2d 224 (1947)

Application of LIESER.

Court of Customs and Patent Appeals.

June 3, 1947.

Attorney(s) appearing for the Case

Rudolph S. Bley, of Elizabethton, Tenn. (Arthur Worischek and Richard K. Stevens, both of Washington, D. C., of counsel), for appellant.

W. W. Cochran, of Washington, D. C. (H. S. Miller, of Washington, D. C., of counsel), for the Commissioner of Patents.

Before BLAND, Acting Presiding Judge, and HATFIELD, JACKSON, and O'CONNELL, 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 decision of the Primary Examiner rejecting claims 13 to 16, inclusive, in appellant's application for a patent for an invention relating to cuprammonium cellulose spinning solutions produced by dissolving cellulose in ammoniacal copper compounds.

Claims to appellant's method of dissolving cellulose in ammoniacal copper compounds...

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