Legal Opinion
Timken Detroit Axle Co. v. Cleveland Steel Products Corp.
Court of Appeals for the Sixth Circuit
Decided March 5, 1945No. Nos. 9783, 9784PublishedCited by 18 opinions
1Opinion of the Court
ALLEN, Circuit Judge.
The parties will be denominated here as they were in the District Court.
These appeals challenge a decree of the District Court which found invalid Powers patent 2,039,607, Wilson patent 2,094,-764, and Powers patent 2,107,800, all relating to improvements in oil-burning furnaces. Plaintiff’s predecessor, TimkenSilent Automatic Company, was assignee of the three patents, and assigned them to plaintiffs The District Court found that if any claim in suit was valid it was infringed, but concluded that each of the claims in suit was invalid for lack of patentable invention.…
2Cases cited17 opinions
- Hotchkiss v. GreenwoodSupreme Court of the United States · 1851
- Lincoln Engineering Co. v. Stewart-Warner Corp.Supreme Court of the United States · 1938
- General Electric Co. v. Wabash Appliance Corp.Supreme Court of the United States · 1938
- Goodyear Tire & Rubber Co. v. Ray-O-Vac Co.Supreme Court of the United States · 1944
- Cover v. SchwartzCourt of Appeals for the Second Circuit · 1942
12 more not listed; retrieve them via the Exa API.
3Cited by18 opinions
- Gustav H. Bobertz, Jr. v. General Motors CorporationCourt of Appeals for the Sixth Circuit · 1955
- Goodwin v. Borg-Warner CorporationCourt of Appeals for the Sixth Circuit · 1946
- Patrol Valve Co. v. Robertshaw-Fulton Controls Co.Court of Appeals for the Sixth Circuit · 1954
- Jungersen v. BadenCourt of Appeals for the Second Circuit · 1948
- Wolverine Fabricating & Mfg. Co. v. Detroit Gasket & Mfg. Co.Court of Appeals for the Sixth Circuit · 1945
13 more not listed; retrieve them via the Exa API.