Legal Opinion
Hartzell Industries, Inc. v. McCauley Industrial Corporation
Court of Appeals for the Sixth Circuit
Decided June 26, 1962No. 14554PublishedCited by 6 opinions
1Opinion of the Court
O'SULLIVAN, Circuit Judge.
In its complaint in the District Court, plaintiff-appellant, Hartzell Industries, Inc., charged defendant-appellee, Mc-Cauley Industrial Corporation, with infringement of claims 1, 2, 8 and 9 of plaintiff’s reissue patent No. 24,530. Defendant’s motion for a summary judgment dismissing plaintiff’s complaint as to claims 8 and 9 was granted. This appeal followed.
The device involved is described as a full-feathering propeller used on airplanes to aid flight control. Plaintiff’s assignor, the inventor, David Bierman, applied for a patent for such device on November 6,…
2Cases cited8 opinions
- Grant v. RaymondSupreme Court of the United States · 1832
- Muncie Gear Works, Inc. v. Outboard, Marine & Manufacturing Co.Supreme Court of the United States · 1942
- Sontag Chain Stores Co. v. National Nut Co. of Cal.Supreme Court of the United States · 1940
- Hazeltine Research, Inc. v. Avco Manufacturing Corporation and the Harry Alter Co., Inc.Court of Appeals for the Seventh Circuit · 1955
- Engineering Development Laboratories v. Radio Corp. of AmericaCourt of Appeals for the Second Circuit · 1946
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3Cited by6 opinions
- White v. Fafnir Bearing CompanyDistrict Court, D. Connecticut · 1966
- National Rolled Thread Die Co. v. E. W. Ferry Screw Products, Inc.Court of Appeals for the Sixth Circuit · 1976
- Fujitsu Limited v. Sprague Electric Co.District Court, S.D. New York · 1967
- Eagle Iron Works v. McLanahan Corp.District Court, W.D. Pennsylvania · 1969
- Chore-Time Equipment, Inc. v. Automatic Poultry Feeder Co.District Court, W.D. Michigan · 1965
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