Union Ry. Co. v. Sprague Electric Railway & Motor Co.
Court of Appeals for the Second Circuit
This appeal is írom a decree of the circuit court for the Southern district of New York, which adjudged that the defendants had infringed claims 2, 6, and 9 of letters patent No. 324,892, dated August 25, 1885, and issued to Frank J. Sprague, for an improved electric railway motor. 84 Fed. 641. The defendants’ motor is made in accordance with letters patent No. 546,560, dated September 17, 1895, and issued to Sidney H. Short.
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This appeal is írom a decree of the circuit court for the Southern district of New York, which adjudged that the defendants had infringed claims 2, 6, and 9 of letters patent No. 324,892, dated August 25, 1885, and issued to Frank J. Sprague, for an improved electric railway motor. 84 Fed. 641. The defendants’ motor is made in accordance with letters patent No. 546,560, dated September 17, 1895, and issued to Sidney H. Short. The three claims which the circuit court found to have been infringed are as follows: “(2) The combination of a wheeled vehicle and an electro-dynamic motor mounted upon…
1Opinion of the Court
SHIPMAN, Circuit Judge.
As soon as the use of an electric motor for the propulsion of cars upon a street railway was thought to be attainable, divers methods were invented which were intended to enable the motor to act efficiently, economically, and certainly upon *83the car axle. At first, the motor was supported by or on the ear body, and afterwards it was upheld upon a separate platform. The state of the art upon the subject is so fully stated by Judge Sanborn in Adams Electric Ry. Co. v. Lindell Ry. Co., 40 U. S. App. 482, 23 C. C. A. 223, and 77 Fed. 432, that it need not be restated here.…
2Cases cited1 opinion
- Adams Electric Ry. Co. v. Lindell Ry. Co.Court of Appeals for the Eighth Circuit · 1896
3Cited by2 opinions
- Sprague Electric Railway & Motor Co. v. Nassau Electric R.Court of Appeals for the Second Circuit · 1900
- Sprague Electric Railway & Motor Co. v. Nassau Electric R. Co.U.S. Circuit Court for the District of Eastern New York · 1899