Legal Opinion
Sprague Electric Railway & Motor Co. v. Union Ry. Co.
U.S. Circuit Court for the District of Southern New York
Decided January 24, 1898PublishedCited by 2 opinions
This was a suit in equity by the Sprague Electric Railway & Motor Company against the Union Railway Company and others for alleged infringement of a patent.
1Opinion of the Court
WHEELER, District Judge.
This suit is brought upon patent No. 324,892, dated August 25, 1885, and granted to Frank J. Sprague, for an electric railway motor consisting of a field magnet, journaled on the axle of the driving wheels at one end, and hung upon a spring from the truck or the car body, at the other, and carrying the armature *642shaft upon its pole pieces parallel with the shaft of the driving wheels, and connected to them by gearing. The specification as to this arrangement says:
“The armature being carried rigidly by the field magnet, these two parts must always maintain precisely the…
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. Co.Court of Appeals for the Second Circuit · 1899
- Sprague Electric Railway & Motor Co. v. Nassau Electric R. Co.U.S. Circuit Court for the District of Eastern New York · 1899