Van Ness v. Layne
Court of Appeals for the Fifth Circuit
Appeal from the District Court of the United States for the Western District of Louisiana; Aleck Boarman, Judge. Suit in equity by Mahlon E. Layne and others against Marvin B. Van Ness. Decree for complainants, and defendant appeals.
1Opinion of the Court
GRUBB, District Judge.
The only claims relied on by the complainant (appellee) are those numbered 4, 9, 13, and 20. In the El Campo Case, 195 Fed. 83, 115 C. C. A. 115, the court held the patent valid as to claim 13, and that that claim had been infringed. As we understand, the validity of claims 4, 9, and 20 were not passed upon by the court, but were held not to have been infringed. In the present case we are satisfied that claim 13 is not infringed by the Van Ness pump. The last clause of claim 13 reads, “the casing being closed at the top and provided with an air vent.” While the Van Ness…
2Cases cited1 opinion
- El Campo Mach. Co. v. LayneCourt of Appeals for the Fifth Circuit · 1912
3Cited by8 opinions
- Layne & Bowler Corp. v. Western Well Works, Inc.Supreme Court of the United States · 1923
- Standard Brands v. Federal Yeast CorporationDistrict Court, D. Maryland · 1930
- Western Well Works, Inc. v. Layne & Bowler Corp.Court of Appeals for the Ninth Circuit · 1921
- Getty v. LayneCourt of Appeals for the Fifth Circuit · 1920
- Hartford-Empire Co. v. Swindell Bros.District Court, D. Maryland · 1937
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