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IN RE LILIENFELD

Patent Appeal No. 3201.

67 F.2d 920 (1933)

In re LILIENFELD.

Court of Customs and Patent Appeals.

December 30, 1933.

Attorney(s) appearing for the Case

Newton M. Perrins and Daniel I. Mayne, both of Rochester, N. Y. (Henry S. Boynton, of Rochester, N. Y., of counsel), for appellant.

T. A. Hostetler, 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.

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, for want of invention, claims 15 to 18, inclusive, and claims 25, 26, 27, and 38 of appellant's application, No. 436,604, filed January 11, 1921.

Claims 15, 17, and 25 are illustrative, and read as follows:

"15. Alkali cellulose containing substantially over 60% caustic alkali, and...

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