Legal Opinion
Carl Otto v. Koppers Company, Inc., a Delaware Corporation, and Wheeling Steel Corporation, a Delaware Corporation
Court of Appeals for the Fourth Circuit
Decided July 10, 1957No. 7401_1PublishedCited by 47 opinions
1Opinion of the Court
HAYNSWORTH, Circuit Judge.
This is a suit for infringement of Patent No. 2,599,067, 1 for the production of ammonium sulphate, which was issued to the plaintiff, Otto, on June 3, 1952,. •upon an application filed March 15, 1948. From a judgment holding the patent invalid for anticipation, the plaintiff has appealed to this Court.
The claims of the patent relate to a method of producing ammonium sulphate in crystalline form by reacting ammonia in coke oven gas with an acidified satu rated ammonium sulphate solution en-training crystals of ammonium sulphate. The basic method claims 1, 2, 4, 7 and…
2Cases cited20 opinions
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Loom Co. v. HigginsSupreme Court of the United States · 1882
- Diamond Rubber Co. of New York v. Consolidated Rubber Tire Co.Supreme Court of the United States · 1911
- Dean A. Lyon v. Bausch & Lomb Optical Co.Court of Appeals for the Second Circuit · 1955
- Kurtz v. Belle Hat Lining Co.Court of Appeals for the Second Circuit · 1922
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3Cited by47 opinions
- Tights, Inc. v. Acme-Mccrary Corporation, and Orin R. YorkCourt of Appeals for the Fourth Circuit · 1976
- Technograph Printed Circuits, Ltd. v. Bendix Aviation Corp.District Court, D. Maryland · 1963
- Entron on Maryland, Inc. v. Jerrold Electronics CorporationCourt of Appeals for the Fourth Circuit · 1961
- Manville Boiler Company, Incorporated v. Columbia Boiler Company of Pottstown, Incorporated, and Columbia Boiler Company, IncorporatedCourt of Appeals for the Fourth Circuit · 1959
- Application of Ernst Johan Jens HenriksenCourt of Customs and Patent Appeals · 1968
42 more not listed; retrieve them via the Exa API.