Legal Opinion
Plunger Elevator Co. v. Standard Plunger Elevator Co.
Court of Appeals for the First Circuit
Decided December 4, 1908No. 737PublishedCited by 5 opinions
Appeal from the Circuit Court of the United States Cor the District of Massachusetts.
1Opinion of the Court
LOWELL, Circuit Judge.
This was a bill in equity to restrain the infringement of letters patent No. 700,740, issued May 27, 1902, for improvements in hydraulic valve mechanism, granted to the complainant as assignee of Cole, the inventor. The Circuit Court dismissed the bill, and the complainant has appealed. The patent has 29 claims, and we find no enumeration of those which the complainant put in issue. The following may be taken to illustrate fairly the scope of the patent:
“(2) The combination with the main three-way valve, of means for opening and closing said, valve in either direction,…
2Cited by5 opinions
- Carson v. American Smelting & Refining Co.Court of Appeals for the Ninth Circuit · 1925
- Permutit Co. v. Harvey Laundry Co.District Court, W.D. New York · 1921
- Karl Isac Joel Rosen v. Lawson-Hemphill, Inc.Court of Appeals for the First Circuit · 1976
- Chadeloid Chemical Co. v. Wilson Remover Co.District Court, S.D. New York · 1915
- Calhoun v. State Chemical Manufacturing CompanyDistrict Court, N.D. Ohio · 1957