L. HAND, Circuit Judge.
The defendants appeal from a judgment holding valid and infringed Claims 1, 9 and 11 of Patent No. 2,010,730, issued to Arthur Harold Lloyd on August 6, 1935, upon an application filed on January 30, 1935. An identical British patent had issued previously. The disclosure is of a machine for the "centerless" grinding of "screwthreads," in which a "work-rest" supports the piece to be ground — the "work-piece" — which is not held...
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