WOOLLEY, Circuit Judge.
This is a suit for infringement of Letters Patent No. 943,280 granted to Elias A. C. Smith in 1909 and afterward assigned to the plaintiff. Claims 1, 2 and 3 are in issue. The District Court found these claims valid and infringed and awarded an injunction and accounting. Peirce-Smith Converter Co. v. United Verde Copper Co. (D. C.) 293 F. 108; Id. (D. C.) 298 F. 763. The case is here on the respondent's appeal.
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