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IN RE SWENSON

Patent Appeals No. 4595.

132 F.2d 336 (1942)

In re SWENSON et al.

Court of Customs and Patent Appeals.

December 1, 1942.

Attorney(s) appearing for the Case

Harold J. Kinney, of St. Paul, Minn. (Chas. S. Grindle, of Washington, D. C., of counsel), for appellant.

W. W. Cochran, of Washington, D. C. (E. L. Reynolds, of Washington, D. C., of counsel), for Commissioner of Patents.

Before GARRETT, Presiding Judge, and BLAND, HATFIELD, LENROOT, and JACKSON, Associate Judges.

JACKSON, Associate Judge.

Appellants on November 13, 1934 filed their application in the United States Patent Office for a patent for new and useful improvements in a process for treating mineral substances and for the resultant product.

The Primary Examiner succinctly described the alleged invention as follows: "The alleged invention relates to a method of coloring roofing granules, which are to be used for covering asphalt coated roofing. The granules, which...

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