Eames v. Godfrey

68 U.S. 78 (1863)

1 Wall. 78

EAMES

v.

GODFREY.

Supreme Court of United States.

Mr. F.A. Brooks for the plaintiff in error; Mr. Causten Browne, contra.

The patent in controversy was for a combination of mechanical powers to effect a useful result, and such a patent differs essentially in its principles from one where the subject-matter is new.

The law is well settled by repeated adjudications in this court and the Circuit Courts of the United States, that there is no infringement of a patent which claims mechanical powers in combination unless all the parts have been substantially used. The use of a…