Court of Appeals for the Ninth Circuit February 16, 1925, 4304 (Carson v. American Smelting & Refining Co.)

GILBERT, Circuit Judge.

The appellant brought suit for the infringement of the claims of two patents. The suit was dismissed on the ground that the claims were anticipated by the British patent to Siemens, No. 2,413, issued in 1866. The appellant’s claims relate both to open-hearth and reverberatory furnaces used in smelting copper ores. His first patent, No.