Court of Appeals for the D.C. Circuit April 1, 1902, No. 178 (In re Swinburne)

Mr. Justice Shepard

delivered the opinion of the Court:

The appellant James Swinburne, appeals from a decision of the Commissioner of Patents denying his application for a patent for an improvement in the process of treating sulphide ores.

The appellant holds a British patent for the same invention issued as of May 1, 1897.