Legal Opinion
Hunt v. Armour & Co.
Court of Appeals for the Seventh Circuit
Decided January 16, 1951No. 10181PublishedCited by 72 opinions
1Opinion of the Court
DUFFY, Circuit Judge.
U. S. Patent No. 2,300,157 for Feather-Picking Apparatus for Fowls And The Like was issued to George R. Hunt on October 27, 1942. This appeal is from a judgment holding Claims 2, 3, 7, 10, 12, 14, 17 and 19 of said patent valid and infringed by various chicken-picking machines constructed by E. J. Albright Company and Gordon Johnson Company and owned and used by defendant.
Defendant urges the defenses of non-infringement, invalidity and patent misuse and argues that the doctrine of equivalents which it claims was relied on by the trial court may not be resorted to because…
2Cases cited17 opinions
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
- Sanitary Refrigerator Co. v. WintersSupreme Court of the United States · 1929
- Schriber-Schroth Co. v. Cleveland Trust Co.Supreme Court of the United States · 1940
- Lewyt Corporation v. Health-Mor, Inc.Court of Appeals for the Seventh Circuit · 1950
- Hazeltine Research, Inc. v. Admiral Corp.Court of Appeals for the Seventh Circuit · 1950
12 more not listed; retrieve them via the Exa API.
3Cited by72 opinions
- Bandag, Inc., Appellee/cross-Appellant. v. Al Bolser's Tire Stores, Inc., Appellant/cross-AppelleeCourt of Appeals for the Federal Circuit · 1984
- Met-Coil Systems Corporation v. Korners Unlimited, Inc. And Ductmate Industries, Inc.Court of Appeals for the Federal Circuit · 1986
- Artmoore Co. v. Dayless Mfg. Co., Inc.Court of Appeals for the Seventh Circuit · 1954
- Terrell J. Reese and Reese Products, Inc. v. Elkhart Welding and Boiler Works, Inc.Court of Appeals for the Seventh Circuit · 1971
- Baldwin-Lima-Hamilton Corp. v. Tatnall Measuring Systems Co.District Court, E.D. Pennsylvania · 1958
67 more not listed; retrieve them via the Exa API.