Legal Opinion
George R. Churchill Company, Inc. v. American Buff Company, Automatic Buff Co., Inc., Duluth Buff Co., Inc., and Speedway Buff Co., Inc.
Court of Appeals for the Seventh Circuit
Decided July 13, 1966No. 15160PublishedCited by 24 opinions
1Opinion of the Court
CASTLE, Circuit Judge.
George R. Churchill Company, Inc., plaintiff-appellant, the owner of Churchill U.S. Patent No. 2,724,937, relating to a buffing wheel brought this suit in the the District Court against American Buff Company; Automatic Buff Co., Inc.; Duluth Buff Co., Inc.; and Speedway Buff Co., Inc., defendants-appellees, charging infringement of Claims 1, 2 and 4 of the patent. The defendants in a joint answer and counterclaim for declaratory judgment asserted, among other things, the invalidity of the patent. The court, acting pursuant to Rule 42(b) of the Federal Rules of Civil…
2Cases cited12 opinions
- Egbert v. LippmannSupreme Court of the United States · 1881
- Armour & Co. v. Wilson & Co., Inc.Court of Appeals for the Seventh Circuit · 1960
- Metallizing Engineering Co. v. Kenyon Bearing & Auto Parts Co.Court of Appeals for the Second Circuit · 1946
- James C. Hobbs v. Wisconsin Power & Light Company and William Powell CompanyCourt of Appeals for the Seventh Circuit · 1957
- Koehring Company v. National Automatic Tool Company, Inc.Court of Appeals for the Seventh Circuit · 1966
7 more not listed; retrieve them via the Exa API.
3Cited by24 opinions
- In Re Jack E. Caveney and Roy A. MoodyCourt of Appeals for the Federal Circuit · 1985
- Amphenol Corporation, a Corporation of Delaware v. General Time Corporation, a Corporation of DelawareCourt of Appeals for the Seventh Circuit · 1968
- The Robbins Company v. Lawrence Manufacturing CompanyCourt of Appeals for the Ninth Circuit · 1973
- Rena Kardulas v. Florida MacHine Products Company, R.C. Products, Inc., and John M. DudinskyCourt of Appeals for the Fifth Circuit · 1971
- Popeil Brothers, Inc. v. Schick Electric, Inc.Court of Appeals for the Seventh Circuit · 1974
19 more not listed; retrieve them via the Exa API.