Legal Opinion
Signal Manufacturing Co. v. General Electric Co.
District Court, D. Massachusetts
Decided March 29, 1963No. Civ. A. No. 61-790PublishedCited by 3 opinions
1Opinion of the Court
SWEENEY, Chief Judge.
This a patent infringement action involving a gravity dispensing valve assembly for use with floor treating apparatus. The patent in suit, No. 2,990,-979, granted July 4, 1961, was issued to the plaintiff on an application filed by R. G. Harrison and Joseph W. Manning. The defendant denies infringement and challenges the validity of the patent.
Findings of Fact
The plaintiff, a Massachusetts corporation, is engaged in the manufacture and sale of floor treating appliances — cleaners and polishers — and of liquid waxes to be used therewith. In the spring of 1958 the…
2Cases cited4 opinions
- Baldwin-Lima-Hamilton Corp. v. Tatnall Measuring Systems Co.District Court, E.D. Pennsylvania · 1958
- Baldwin-Lima-Hamilton Corporation and Edward E. Simmons, Jr. v. Tatnall Measuring Systems Company and Budd CompanyCourt of Appeals for the Third Circuit · 1959
- Weiss v. R. Hoe & Co.Court of Appeals for the Second Circuit · 1940
- Thomas v. Simmons Co.Court of Appeals for the Seventh Circuit · 1942
3Cited by3 opinions
- Lavelle Aircraft Corp. v. United StatesUnited States Court of Claims · 1966
- Lavelle Aircraft Corporation v. The United StatesUnited States Court of Claims · 1966
- E. I. Du Pont De Nemours & Co. v. LaddDistrict Court, District of Columbia · 1963