Legal Opinion
Henry Manufacturing Co., Inc. v. Commercial Filters Corporation
Court of Appeals for the Seventh Circuit
Decided November 8, 1972No. 71-1456PublishedCited by 20 opinions
1Opinion of the Court
CUMMINGS, Circuit Judge.
After a full trial the district court, D. C., 350 F.Supp. 1015, entered judgment for the defendant and dismissed this patent infringement suit, holding that the patent sued upon was invalid for obviousness and that in any event the patent was not infringed. This appeal followed.
On November 25, 1958, patent No. 2',-861,688 was issued to Harold H. Harms for his liquid clarification system. After two earlier applications relating to this structure had been abandoned, Harms filed an application for the present patent in December 1955. In August 1957, Harms assigned all his…
2Cases cited9 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Sears, Roebuck & Co. v. Stiffel Co.Supreme Court of the United States · 1964
- T. P. Laboratories, Inc. v. Gerald W. HugeCourt of Appeals for the Seventh Circuit · 1966
- Hewlett-Packard Company v. Tel-Design, Inc.Court of Appeals for the Ninth Circuit · 1972
4 more not listed; retrieve them via the Exa API.
3Cited by20 opinions
- Republic Industries, Inc. v. Schlage Lock CompanyCourt of Appeals for the Seventh Circuit · 1979
- Eaton Corp. v. Appliance Valves Corp.Court of Appeals for the Federal Circuit · 1986
- Eaton Corp. v. Appliance Valves Co.District Court, N.D. Indiana · 1984
- Norton Company, Appellant-Cross v. Carborundum Company, Appellee-CrossCourt of Appeals for the First Circuit · 1976
- Dual Manufacturing & Engineering, Inc. v. Burris Industries, Inc.Court of Appeals for the Seventh Circuit · 1980
15 more not listed; retrieve them via the Exa API.