Globe Nail Co. v. United States Horse Nail Co.

The first of these suits is for the infringement of patent No. 92,355, granted to Arlon M. Polsey, July 6J 1869, for an improved manufacture of nails. According to the description given in the specification, the invention consists in a horse-shoe nail, the head of which is in that condition of softness which is produced by liot-rolling the metal, and the shank or body of which is hardened by rolling, when cold, with a constantly increasing pressure from head to point. A blank is first cut from a hot-rolled ribbed bar, the projection and form of the rib being that of the finished head of the…