Legal Opinion
De Lamar v. De Lamar Min. Co.
U.S. Circuit Court for the District of Idaho
Decided August 23, 1901PublishedCited by 1 opinion
1Opinion of the Court
BEATTY, District Judge.
The complainant, the owner of patent No. 607,719, issued July 19, 1898, “for a process of recovering precious metals from their solution,” brings this action against the defendant as an infringer. As gathered from the record of this case, • the process known as the cyanide process for separating the precious metals from the ore state consists of pulverizing the ore and then subjecting it to an aqueous solution of cyanide of potassium. The pulverized ore and this solution being mingled, the cyanogen, an clement in the solution, having a greater affinity for the gold and…
2Cases cited3 opinions
- Smith v. NicholsSupreme Court of the United States · 1875
- Roberts v. RyerSupreme Court of the United States · 1875
- Lovell Manufacturing Co. v. CarySupreme Court of the United States · 1893
3Cited by1 opinion
- Wolfe v. Bedford-Chevrolet Sales Corp.District Court, E.D. New York · 1929