Erastus Corning and John F. Winslow, Plaintiffs in Error v. Peter A. Burden

Points and Authorities submitted on the part of the Plaintiffs in Error. First exception to the charge.–The court erred in charging the jury that 'the letters-patent which have been given in evidence by the plaintiff are for a new process, mode, or method of converting puddlers' balls into blooms by continuous pressure and rotation of the balls between converging surfaces, thereby dispensing with the hammer, alligator jaws, and rollers, accompanied by manual labor, previously in use to accomplish the same purpose; and the said letters-patent secure to the patentee the exclusive right to construct, use, and vend any machine adapted to accomplish the objects of his invention, as above specified, by the process, mode, or method above-mentioned.' I. The court erred in charging the jury that Burden's patent was for a new process, mode, or method.