Hendy v. Golden State & Miners' Iron Works
Opinion of the Court
{orally.) This is a demurrer to a bill in equity for the infringement of a patent for an ore-crushing machine. The original patent and the reissue are both set out; and the point is that the reissue is broader than the original patent, and takes in an element not indicated in the original specifications and drawings. This new feature of the patent is the extension of the rear hoard of the hopper downwards, so as to operate as a scraper on a vibrating tray, for the purpose of forcing the ore to pass off. There is nothing stated in the specifications of the original patent in regard to this construction of the hopper-board at the rear; and it does not appear whether it was so formed, by the drawings in the original patent. Nor does it appear that it was not there. It may have been, and probably was, in the original machino and model. In the drawings of the reissue there is a part of the side cut away on the hopper, to show the extension of this rear board downwards to the vibrating tray. In the first drawings the side is not cut away, and it does not show whether the rear board goes down to the tray or not. In all other respects the drawings are the same in the two patents. The law authorizes the change of the specification—authorizes the specifications, for the purpose of
The demurrer is overruled.
Case-law data current through December 31, 2025. Source: CourtListener bulk data.