Legal Opinion
Elevator Supplies Co. v. Graham & Norton Co.
Court of Appeals for the Third Circuit
Decided October 3, 1930No. 4250PublishedCited by 9 opinions
1Opinion of the Court
WOOLLEY, Circuit Judge.
The bill charged the defendant with infringing certain claims of Letters Patent No. 1,587,007 issued to Clifford Norton and others, and of Letters Patent No. 1,565,143 issued to Harold J. Fear. The defenses pleaded were invalidity and non-infringement but the ease was tried on the issue of infringement within the scope of the claims. The court, having restricted the claims and having found the defendant had not infringed them, dismissed the bill. The plaintiff appealed.
The inventions of the patents in suit, like those of many prior patents, relate to mechanism for…
2Cases cited14 opinions
- Elizabeth v. Pavement Co.Supreme Court of the United States · 1878
- MacHine Co. v. MurphySupreme Court of the United States · 1878
- Boyden Power-Brake Co. v. Westinghouse Westinghouse v. Boyden Power-Brake Co.Supreme Court of the United States · 1898
- Motion Picture Patents Co. v. Universal Film Manufacturing Co.Supreme Court of the United States · 1917
- Westinghouse v. Boyden Power Brake Co.Supreme Court of the United States · 1898
9 more not listed; retrieve them via the Exa API.
3Cited by9 opinions
- Craftint Mfg. Co. v. BakerCourt of Appeals for the Ninth Circuit · 1938
- Lowell v. TriplettCourt of Appeals for the Fourth Circuit · 1935
- Callison v. PickensCourt of Appeals for the Tenth Circuit · 1935
- Girdler Corp. v. Abbotts Dairies, Inc.District Court, E.D. Pennsylvania · 1938
- Galion Iron Works & Mfg. Co. v. Beckwith Machinery Co.District Court, W.D. Pennsylvania · 1938
4 more not listed; retrieve them via the Exa API.