United States Court of Appeals for the District of Columbia.https://leagle.com/images/logo.png
Argued March 17, 1941.
Decided April 14, 1941.
Attorney(s) appearing for the Case
Joseph W. Hazell, of New York City (Theodore A. Hostetler, of Washington, D. C., on the brief), for appellant.
H. S. Mackey, of Washington, D. C. (W. W. Cochran, Sol. U. S. Patent Office, of Washington, D. C., on the brief), for appellee.
Before GRONER, Chief Justice, and EDGERTON and RUTLEDGE, Associate Justices.
United States Court of Appeals for the District of Columbia.
EDGERTON, Associate Justice.
This is a suit1 to obtain a patent. The Patent Office and the District Court held that the appealed claims lack invention. The claims relate to a trackless-trolley bus which has two independent sources of power: (a) Two trolley poles which engage positive and negative trolley wires and (b) an internal combustion engine, electric generator, and motors. Switching means are provided so that electric power may...
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