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APPLICATION OF DILNOT

Patent Appeal No. 6774.

300 F.2d 945 (1962)

Application of Sidney DILNOT.

United States Court of Customs and Patent Appeals.

April 13, 1962.

Attorney(s) appearing for the Case

Lewis D. Konigsford, Chicago, Ill., and Max Wall, Washington, D. C., of counsel, for appellant.

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

Before WORLEY, Chief Judge, RICH, MARTIN, and SMITH, Judges, and Judge WILLIAM H. KIRKPATRICK.

MARTIN, Judge.

This is an appeal from a decision of the Board of Appeals of the United States Patent Office regarding appellant's application for a patent on "Light Weight Aerated Concrete." Six claims reciting a method of making this material were allowed by the examiner. The sole issue is the patentability of article claims 10-13 and 20 in view of the Fraser patent, Re. 23,228, issued May 9, 1950.

Claim 10 is representative...

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