De Lamar v. De Lamar Min. Co.
Court of Appeals for the Ninth Circuit
Appeal from the Circuit Court of the United States for the District of Idaho.
1Opinion of the Court
ROSS, Circuit Judge.
This suit was brought for the alleged infringement of certain letters patent, No. 607,719, and issued July 19, 1898, for an alleged invention, by one Waldstein, for “certain new and useful improvements in processes for the recovery of precious metals from their solutions.” The relief sought was an injunction, an accounting, and damages. Among the defenses set up by the answer of the defendant were lack of novelty and invention, anticipation, no infringement, and a wánt of sufficient description of the alleged invention. The court below held the patent void, and the case is…
2Cases cited15 opinions
- Boyden Power-Brake Co. v. Westinghouse Westinghouse v. Boyden Power-Brake Co.Supreme Court of the United States · 1898
- Westinghouse v. Boyden Power Brake Co.Supreme Court of the United States · 1898
- Grant v. RaymondSupreme Court of the United States · 1832
- Ansonia Brass & Copper Co. v. Electrical Supply Co.Supreme Court of the United States · 1892
- The Incandescent Lamp PatentSupreme Court of the United States · 1895
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- Fleischman Yeast Co. v. Federal Yeast CorporationDistrict Court, D. Maryland · 1925
- Bellis Heat Treating Co. v. Heat-Bath Corp.Court of Appeals for the First Circuit · 1928
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