Vermont Farm Machine Co. v. Marble

The orators, on the thirtieth of March, 1880, filed an application for a patent for improvements in milk-setting apparatus, consisting, as finally amended, of nine claims, the last five of which have been allowed; the first four have been refused, because described, although not claimed, in a prior patent to the same inventors, No. 207,738, dated September 3, 1878. Prior public use to bar the patent is denied on oath by the applicants, and is not shown. The refusal rests solely, apparently, on the prior description, and Campbell v. James, 104 U. S. 356. What is said in that case, taken at…