Carson v. American Smelting & Refining Co.

NÉTERER, District Judge

(after stating the facts as above).

The purpose of plaintiff’s invention, patent No. 1,149,495, is to feed material into the furnace—

“primarily to make a lining for the furnace, though primarily it gives up any values it may contain to the hath.” “A moving temporary lining of the furnace chambers.” “A dike shutting the molten interior of the metallic bath away from contact with the walls of the furnace chambers.”,

Patent 1,302,307:

“To protect the walls of a reverberatory furnace by feeding ores into the furnace through feeding ports leading into the upper part, where it…