Legal Opinion
Westinghouse Electric & Mfg. Co. v. Powerlite Switchboard Co.
Court of Appeals for the Sixth Circuit
Decided June 1, 1944No. 9669PublishedCited by 7 opinions
1Opinion of the Court
SIMONS, Circuit Judge.
The patents involved in the present infringement suit are Jennings reissue #19,887, granted March 10, 1936, for a panel circuit breaker, and Austin, #1,705,700, March 19, 1929, for a control apparatus. Both are in the electrical art and with affirmance in all respects of the report of a special master and the denial of exceptions thereto, were held invalid and not infringed by the appellee.
The Jennings patent relates to a distributing panel board wherein the branch and main line circuits of an electric light system are controlled by automatic circuit breakers adapted to…
2Cases cited5 opinions
- Firestone Tire & Rubber Co. v. United States Rubber Co.Court of Appeals for the Sixth Circuit · 1935
- Reo Motor Car Co. v. Gear Grinding MacH. Co.Court of Appeals for the Sixth Circuit · 1930
- Nestle-Le Mur Co. v. Eugene, Ltd.Court of Appeals for the Sixth Circuit · 1932
- Murray-Ohio Mfg. Co. v. E. C. Brown Co.Court of Appeals for the Sixth Circuit · 1942
- National Enameling & Stamping Co. v. WhiteDistrict Court, E.D. New York · 1937
3Cited by7 opinions
- Monroe Auto Equipment Company v. Heckethorn Manufacturing & Supply CompanyCourt of Appeals for the Sixth Circuit · 1964
- Harvey v. LevineCourt of Appeals for the Sixth Circuit · 1963
- Westwood Chemical, Inc. v. Owens-Corning Fiberglas Corp.District Court, N.D. Ohio · 1970
- Westinghouse Electric Corp. v. Bulldog Electric Products Co.District Court, N.D. West Virginia · 1952
- Westinghouse Electric Corp. v. Bulldog Electric Products Co.Court of Appeals for the Fourth Circuit · 1953
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