Detroit Ry. & Harbor Terminals v. Ferguson

HICKENLOOPER, Circuit Judge.

This is an action for infringement of patent No. 1,089,405, issued to W. S. Ferguson, March 10, 1914, for a reinforced concrete dock or pier. The District Court held claims 10,12, and 16 infringed. Defendants appeal.

The patent has been before this court on two other occasions, upon both of which its validity was recognized and decree of infringement sustained. Detroit Iron & Steel Co. v. Carey (C. C. A.) 236 F. 924; City of Detroit v. Kahn et al. (C. C. A.) 22 F.(2d) 613. The claims in suit are quoted in the margin of the report of the Carey Case, and need not here…