Legal Opinion
American Steel Foundries v. Wolff Truck Frame Co.
U.S. Circuit Court for the Northern District of Illnois
Decided April 25, 1911No. 29,185PublishedCited by 2 opinions
In Equity. Suit by the American Steel Foundries and J. S. Andrews Company against the Wolff Truck Frame Company. Decree for complainants.
1Opinion of the Court
KOHLSAAT, Circuit Judge.
This cause is now before the court on final hearing. The bill charges infringement of claims 2, 3, and 6 of patent No. 569,044, granted to J. S. Hanlic on October 6, 3896, for a metallic car truck. The claims in suit read as follows, viz.:
“2. A car-truck, comprising two truck-arches rigidly connected with each other, each truck-arch having a transverse opening, the upper portion of which is contracted, a truck-bolster fitted in the upper portion.of said openings. and springs seated in the openings and below the truck-bolster and respectively bearing against the…
2Cases cited11 opinions
- Steward v. American Lava Co.Supreme Court of the United States · 1909
- Hogg v. EmersonSupreme Court of the United States · 1848
- Brooks v. FiskeSupreme Court of the United States · 1854
- American Lava Co. v. StewardCourt of Appeals for the Sixth Circuit · 1907
- Michigan Cent. R. v. Consolidated Car-Heating Co.Court of Appeals for the Sixth Circuit · 1895
6 more not listed; retrieve them via the Exa API.
3Cited by2 opinions
- Mine & Smelter Supply Co. v. Braeckel Concentrator Co.District Court, W.D. Missouri · 1912
- Schaum & Uhlinger, Inc. v. Copley-Plaza Operating Co.District Court, D. Massachusetts · 1919