Railroad Supply Co. v. Hart Steel Co.
Court of Appeals for the Seventh Circuit
Appeal from the District Court of the United States for the Eastern Division of the Northern District of Illinois; Christian C. Kohl-saat, Judge. Suit in equity by the Railroad Supply Company against the Hart Steel Company and Guilford S. Wood. Decree for defendants, and complainant appeals.
1Opinion of the Court
BAKER, Circuit Judge.
Appellant failed in its suit to hold appel-lees as infringers of claim 8 of patent No. 538,809, May 7, 1895, and claims 1, 2 and 3 of patent No. 691,332, January 14, 1902, and claims 7 and 9 of patent No. 721,644, February 24, 1903, all granted to B. Wolhaupter, appellant’s assignor. A report of the decision in the trial court is found in 193 Fed. 418. On a record identical with that now before us. the Court of Appeals of the Sixth Circuit, in Railroad Supply Co. v. Elyria Iron & Steel Co., 213 Fed. 789, 130 C. C. A. 447, adj udged that the claims in suit were void for…
2Cases cited21 opinions
- Diamond Rubber Co. of New York v. Consolidated Rubber Tire Co.Supreme Court of the United States · 1911
- Topliff v. TopliffSupreme Court of the United States · 1892
- Potts v. CreagerSupreme Court of the United States · 1895
- Bates v. CoeSupreme Court of the United States · 1878
- Leeds & Catlin Co. v. Victor Talking MacHine Co.Supreme Court of the United States · 1909
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- Callison v. DeanCourt of Appeals for the Tenth Circuit · 1934
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