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APPLICATION OF LAWTHER

Patent Appeal No. 7165.

331 F.2d 632 (1964)

Application of William D. LAWTHER.

United States Court of Customs and Patent Appeals.

May 14, 1964.

Attorney(s) appearing for the Case

Walter L. Schlegel, Jr., Ralph M. Faust, Chicago, Ill., for appellant.

Clarence W. Moore, Washington, D. C. (Fred W. Sherling, Washington, D. C., of counsel), for Commissioner of Patents.

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

MARTIN, Judge.

This is an appeal from a decision of the Board of Appeals affirming the examiner's rejection of claims 14-18 of appellant's application serial No. 683,475 filed September 12, 1957 for improvements in shell molding. No claim has been allowed.

Appellant's application relates to a material for making shell molds and cores for producing metal castings. Shell molds and cores are said to be generally formed of a mixture of molding-sand particles and...

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