Legal Opinion
Plax Corp. v. Elmer E. Mills Corp.
Court of Appeals for the Seventh Circuit
Decided June 8, 1953No. 10695_1PublishedCited by 9 opinions
1Opinion of the Court
SWAIM, Circuit Judge.
In a suit for the infringement of certain patents owned by the plaintiff, the Plax Corporation, the District Court found that Claims 8, 19, 20, 21, 23 and 26 of Fern-gren Patent No. 2,128,239, Claim 11 of Ferngren Patent No. 2,175,053, and Claim 6 of Kopitke Patent No. 2,349,177 were valid and infringed. The court entered judgment enjoining the defendant, the Elmer E. Mills Corporation, from further infringement and ordering an accounting for damages suffered by the plaintiff. From this judgment the defendant appeals.
All the claims in issue relate to processes for forming…
2Cases cited9 opinions
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Sanitary Refrigerator Co. v. WintersSupreme Court of the United States · 1929
- Lincoln Engineering Co. v. Stewart-Warner Corp.Supreme Court of the United States · 1938
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1949
- Sinclair & Carroll Co. v. Interchemical Corp.Supreme Court of the United States · 1945
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3Cited by9 opinions
- Deep Welding, Inc. v. Sciaky Bros., Inc.Court of Appeals for the Seventh Circuit · 1969
- Eversharp, Inc. v. Fisher Pen Co.District Court, N.D. Illinois · 1961
- Application of Ralph G. H. SiuCourt of Customs and Patent Appeals · 1955
- Application of John G. MillerCourt of Customs and Patent Appeals · 1963
- Plax Corp. v. Precision Extruders, Inc.Court of Appeals for the Third Circuit · 1957
4 more not listed; retrieve them via the Exa API.