Legal Opinion
AIRTEX CORPORATION v. Shelley Radiant Ceiling Co.
District Court, N.D. Illinois
Decided April 21, 1975No. 73 C 1523PublishedCited by 4 opinions
1Opinion of the Court
DECISION
McMILLEN, District Judge.
Plaintiff as owner of Baran patent 2,818,235 and Beck patent 3,698,475 has sued defendant for infringement of both patents. Defendant contends that both patents are invalid and also that any infringement of the Baran patent was de minimis. Defendant also counterclaims for unfair competition, based primarily on the contention that the plaintiff’s patents are invalid. The court has taken evidence consisting of testimony in open court, portions of several depositions, and numerous exhibits, followed by post-trial memoranda of the parties.
The Subject Matter of the…
2Cases cited6 opinions
- Virtue v. Creamery Package Manufacturing Co.Supreme Court of the United States · 1913
- Dart Industries, Inc. v. E. I. Du Pont De Nemours and CompanyCourt of Appeals for the Seventh Circuit · 1973
- Wende v. HorineCourt of Appeals for the Seventh Circuit · 1915
- L. F. Strassheim Company, a Wisconsin Corporation, D/B/A Bowling Green Chair Co. v. Gold Medal Folding Furniture Company, a Wisconsin CorporationCourt of Appeals for the Seventh Circuit · 1973
- United States Gypsum Company v. National Gypsum Company and Plaza Plastering Co.Court of Appeals for the Seventh Circuit · 1971
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3Cited by4 opinions
- Kockums Industries Ltd. v. Salem Equipment, Inc.District Court, D. Oregon · 1983
- Heinz v. Frank Lloyd Wright FoundationDistrict Court, N.D. Illinois · 1991
- Imperial Chemical Industries, PLC v. Henkel Corp.District Court, D. Delaware · 1982
- Art Line, Inc. v. Universal Design Collections, Inc.District Court, N.D. Illinois · 1997