Legal Opinion
General Electric Co. v. De Forest Radio Co.
Court of Appeals for the Third Circuit
Decided November 11, 1930No. Nos. 3799-3801PublishedCited by 4 opinions
1Opinion of the Court
BUFFINGTON, Circuit Judge.
In the court below the General Electric Company charged the De Forest Radio Company with the infringement of four patents. On final hearing that court held one of the patents valid and infringed and the other three invalid. By appropriate steps its so holding was brought before this court for review. Without entering into detail, we may say that, save as to patent No. 1,558,436, the reasoning, conclusion, and decree of the court below commend themselves to us, and we affirm the same. In the ease of patent No. 1,558,436, we feel the court below committed error in…
2Cases cited7 opinions
- The Barbed Wire PatentSupreme Court of the United States · 1892
- O'Rourke Engineering Const. Co. v. McMullenCourt of Appeals for the Second Circuit · 1908
- Marconi Wireless Telegraph Co. v. De Forest Radio Telephone & Telegraph Co.Court of Appeals for the Second Circuit · 1917
- General Electric Co. v. P. R. Mallory & Co.Court of Appeals for the Second Circuit · 1924
- Westinghouse Electric & Mfg. Co. v. De Forest Radio Telephone & Telegraph Co.Court of Appeals for the Third Circuit · 1927
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3Cited by4 opinions
- Barrett v. Denver Tramway CorporationDistrict Court, D. Delaware · 1944
- Hoover v. Eckerd's Cut Rate Medicine Co.District Court, D. Delaware · 1931
- Radio Corp. of America v. Majestic Distributors, Inc.District Court, D. Connecticut · 1934
- Metropolitan Edison Co. v. Federal Power CommissionCourt of Appeals for the Third Circuit · 1938