New Jersey Zinc Co. v. American Zinc, Lead & Smelting Co.
District Court, D. Maine
In Equity. Suit by the New Jersey Zinc Company against the American Zinc, Dead & Smelting Company and another.
1Opinion of the Court
HALE, District Judge.
This suit in equity involves the construction of United States patent No. 931,815, August 24, 1909. The first question to be considered is the validity of the patent.
The art to which it relates is that of roasting zinc sulphide ores for the manufacture of metallic zinc, or slab zinc, and commercial zinc oxide. The native oxidized ores are available for subsequent smelting operations for the production of slab zinc. The sulphide ores, on the other hand, must be freed of sulphur before they are available for subsequent smelting operations. To effect this the roasting…
2Cases cited19 opinions
- Loom Co. v. HigginsSupreme Court of the United States · 1882
- Topliff v. TopliffSupreme Court of the United States · 1892
- Atlantic Works v. BradySupreme Court of the United States · 1883
- Smith v. Goodyear Dental Vulcanite Co.Supreme Court of the United States · 1877
- National Hollow Brake-Beam Co. v. Interchangeable Brake-Beam Co.Court of Appeals for the Eighth Circuit · 1901
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3Cited by4 opinions
- E. A. McMillin Co. v. Androscoggin Pulp Co.District Court, D. Maine · 1923
- Gerrard v. CaryDistrict Court, E.D. New York · 1924
- Etten v. KauffmanDistrict Court, W.D. Pennsylvania · 1940
- Gerrard v. CaryCourt of Appeals for the Second Circuit · 1925