Courson v. Westinghouse Air Brake Co.
Court of Appeals for the Third Circuit
Appeal from the District Court of the United States for the Western District of Pennsylvania; Charles P. Orr, Judge. Suit in equity by John F. Courson against the Westinghouse Air Brake Company. Decree for defendant, and complainant appeals.
1Opinion of the Court
WOOLLEY, Circuit Judge.
This is a suit for infringement of Letters Patent No. 732,521 and No. 1,180,979, issued June 30, 1903, and April 25, 1916, to J. F. Courson, and is here on the plaintiff's appeal from a decree of the District Court dismissing the bill on the ground of non-infringement. The claims in issue are 8, 9, 10, 11, 13, 14, and 16 of the earlier patent and 1, 3, 4 and 5 of the later patent.
The inventions of the patents relate to friction draft gearing connected with the draw-bars of railroad cars and particularly to means for taking up or absorbing the initial shock and strain…
2Cases cited1 opinion
- Continental Paper Bag Co. v. Eastern Paper Bag Co.Supreme Court of the United States · 1908
3Cited by2 opinions
- Allen v. WingerterCourt of Appeals for the Third Circuit · 1927
- Blessing v. Consolidated Trimming Corp.District Court, S.D. New York · 1939