Patent Appeal No. 6932.

315 F.2d 916 (1963)

Application of Kenneth L. BERRY.

United States Court of Customs and Patent Appeals.

April 25, 1963.

Attorney(s) appearing for the Case

C. Harold Herr, Wilmington, Del. (Frederick Schafer, Washington, D. C., of counsel), for appellant.

Clarence W. Moore, Washington, D. C. (Jack E. Armore, Washington, D. C., of counsel), for Commissioner of Patents.

Before WORLEY, Chief Judge, and RICH, MARTIN, SMITH, and ALMOND, Judges.

ALMOND, Judge.

This is an appeal from the Board of Appeals decision affirming the rejection of claims 1 and 2 of appellant's patent application.1

The invention relates to crystalline aluminum oxide in the form of fibers, filaments and ribbons. The particular form of aluminum oxide in question is corundum or alpha-alumina. This mineral occurs widely in nature, but not in fibrous form. Appellant has disclosed a patentable method...

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