Anderson v. Eiler

The bill in this case alleged infringement by the defendants of design patent No. 19,872, being for a new design for a mantel. To the bill defendants have filed an answer, setting up several defenses, and the case was heard on bill, answer, and testimony. One of the defenses is the claim by defendants that the patent is invalidated by the sale by the plaintiff of mantels of this design and public use of the said design before the date of the granting of the patent, and that therefore there was an abandonment by the plaintiff of his invention. It is conceded that plaintiff commenced the sale…