Spring v. Domestic Sewing-Machine Co.

Nixon, D. J.

The question of the validity of the patent on which this suit was brought was before the learned judges of the first circuit (Clifford and Lowell) at the term of October, 1874. It was there held that the complainants’ patent was a valuable and ingenious improvement in lathes for turning irregular forms; that Charles and Andrew Spring were original and meritorious inventors of the said improvement; hut that the patent should be declared void in view of the fact that the testimony showed that they were not the first inventors; that the patent was for a combination, all the elements…