Legal Opinion
Bettendorf Co. v. Ohio Steel Foundry Co.
Court of Appeals for the Sixth Circuit
Decided March 11, 1932No. 5808PublishedCited by 10 opinions
1Opinion of the Court
HICKENLOOPER, Circuit Judge.
Complainant in the court below appeals from a'decree dismissing its bill for infringement of patent No. 1,351,326, issued August 31, 1920, upon application of Claus J. Werner Clasen, for a “railway side frame” as used in the construction of freight ear trucks of the four-wheel type. While all claims of the patent are in suit, claim 6 is typical, and is quoted in the margin.1 If the patent be valid, infringement is conceded, so that the only question is that of validity. The District Court found the claims invalid.
In the truck of a railway freight car, the weight of…
2Cases cited11 opinions
- Permutit Co. v. Graver Corp.Supreme Court of the United States · 1931
- Concrete Appliances Co. v. GomerySupreme Court of the United States · 1925
- Railroad Supply Co. v. Elyria Iron & Steel Co.Supreme Court of the United States · 1917
- Directoplate Corp. v. Donaldson Lithographing Co.Court of Appeals for the Sixth Circuit · 1931
- Ohmer Fare Register Co. v. OhmerCourt of Appeals for the Sixth Circuit · 1916
6 more not listed; retrieve them via the Exa API.
3Cited by10 opinions
- General Motors Corporation v. Rubsam CorporationCourt of Appeals for the Sixth Circuit · 1933
- R. M. Hollingshead Co. v. Bassick Mfg. Co.Court of Appeals for the Sixth Circuit · 1934
- Newcomb, David Co. v. R. C. Mahon Co.Court of Appeals for the Sixth Circuit · 1932
- Wood v. Peerless Motor Car CorporationCourt of Appeals for the Sixth Circuit · 1935
- Ford Motor Co. v. Gordon Form Lathe Co.Court of Appeals for the Sixth Circuit · 1937
5 more not listed; retrieve them via the Exa API.