AUGUSTUS N. HAND, Circuit Judge.
This is a suit for infringement of claims 1 and 2 of U. S. Patent No. 1,898,608 to William A. Alexander. The invention relates to centrifugal separators in which gas, vapour or steam has a vortical or rotary motion, in a separating chamber and by the action of centrifugal force suspended impurities, whether liquid or solid, are thrown out to the sides of the chamber. The District Court dismissed the complaint on the ground that the...
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