Electric Smelting & Aluminum Co. v. Pittsburg Reduction Co.
Court of Appeals for the Second Circuit
Appeal from the Circuit Court of the United States for the Western District of New York. Appeal from a decree dismissing bill filed by tfie complainant for the infringement of two letters patent granted to C. S. Bradley, the patent in controversy on this appeal being No. 468,148. The opinion of the Circuit Court will be found in 111 Fed. 742.
1Opinion of the Court
COXE, Circuit Judge.
The patent in controversy was granted February 2, 1892, to Charles S. Bradley for an improvement in processes for separating, by the electric current, aluminium from its ores or compounds.
The specification states that the difficulty with the process theretofore in vogue was that it was carried on by subjecting the fused ore to the action of the electric current in a crucible placed in a heating-furnace. It is said that by this process the fused ore fluxes with the crucible and the fluorine gas liberated attacks the material of the crucible and destroys it. The main object…
2Cases cited4 opinions
- Tilghman v. ProctorSupreme Court of the United States · 1881
- Cowles Electric Smelting & Aluminum Co. v. LowreyCourt of Appeals for the Sixth Circuit · 1897
- Smead Warming & Ventilating Co. v. Fuller & Warren Co.Court of Appeals for the Second Circuit · 1893
- Lowrey v. Cowles Electric Smelting & Aluminum Co.U.S. Circuit Court for the District of Northern Ohio · 1895
3Cited by17 opinions
- Remington Cash Register Co. v. National Cash Register Co.District Court, D. Connecticut · 1925
- General Electric Co. v. Laco-Philips Co.Court of Appeals for the Second Circuit · 1916
- McDONOUGH v. JOHNSON-WENTWORTH CO.Court of Appeals for the Eighth Circuit · 1928
- Dunn Wire-Cut Lug Brick Co. v. Toronto Fire Clay Co.Court of Appeals for the Sixth Circuit · 1919
- United States v. Aluminum Co. of AmericaDistrict Court, S.D. New York · 1941
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