Chapman-Stein Co. v. Rust Engineering Co.

WOOLLEY, Circuit Judge.

Reissue Patent No. 16,826 was granted to Stein in 1927 on an original application filed in 1919 and by mesne assignments was acquired by the plaintiff, in whom, we find on the threshold, rested the title at the time of the alleged infringement and the bringing of this suit. The patent is for a “Recuperative Furnace” and relates to soaking pits, having for its.object “a vertical continuously recuperative furnace intended more particularly for the reheating of ingots to the temperature necessary for forging or rolling.”

When molten steel is drawn from a furnace it is…