Westinghouse Traction Brake Co. v. Orr
Court of Appeals for the Third Circuit
Petition for Revision of Proceedings of the District Court of the United States for the Western District of Pennsylvania; Charles P. Orr, Judge. In Equity. Suit by Niels A. Christensen and the Allis-Chalmers Company against the Westinghouse Traction Brake Company. On petition by defendant for mandamus or certiorari directed to Charles P. Orr, District Judge.
1Opinion of the Court
McPHERSON, Circuit Judge.
This controversy is. a supplement to Westinghouse Co. v. Christensen, 243 Fed. 901, 156 C. C. A. 413, and will be better understood if we preface the following opinion with a brief summary of what was there decided.
In the court below the bill was hied in March, 1916, by Christensen and the Allis-Chalmers Company, and (as amended) charged the Brake Company with infringing five patents, two of them being Nos. 621,324 and 635,280, called herein the first and the second patents respectively, both being foj: the same invention. On February 24, 1917, on thé plaintiffs’…
2Cases cited2 opinions
- Davis v. WakeleeSupreme Court of the United States · 1895
- Westinghouse Traction Brake Co. v. ChristensenCourt of Appeals for the Third Circuit · 1917
3Cited by2 opinions
- National Brake & Electric Co. v. ChristensenCourt of Appeals for the Seventh Circuit · 1930
- National Brake & Electric Co. v. ChristensenCourt of Appeals for the Seventh Circuit · 1921