Legal Opinion
United States Gypsum Company v. National Gypsum Company and Plaza Plastering Co.
Court of Appeals for the Seventh Circuit
Decided April 15, 1971No. 17613PublishedCited by 8 opinions
1Opinion of the Court
FAIRCHILD, Circuit Judge.
This appeal is a sequel to United States Gypsum Company v. National Gypsum Company (7th Cir., 1967), 387 F.2d 799. Many of the pertinent facts appear in that opinion. The action is for infringement of a patent issued to Joseph W. Gill, “Method of Covering the Joint Between Wallboard and the Resultant Product.” 1 We remanded the cause for further proceedings.
On remand, the district court made findings of fact on the basis of which it decided the subject matter would not have been obvious and the invention had not been in public use more than one year before the…
2Cases cited4 opinions
- Carl Otto v. Koppers Company, Inc., a Delaware Corporation, and Wheeling Steel Corporation, a Delaware CorporationCourt of Appeals for the Fourth Circuit · 1957
- Tsc Industries, Inc., a Corporation v. International Harvester Company, a CorporationCourt of Appeals for the Seventh Circuit · 1968
- John A. Julian and Julian Engineering Company v. Drying Systems Co., Thor Power Tool Co. And Michigan Oven CompanyCourt of Appeals for the Seventh Circuit · 1965
- United States Gypsum Company, and v. National Gypsum Company, AndCourt of Appeals for the Seventh Circuit · 1968
3Cited by8 opinions
- Rohm and Haas Co. v. Dawson Chemical Co., Inc.District Court, S.D. Texas · 1983
- Malsbary Manufacturing Company v. Ald, IncorporatedCourt of Appeals for the Seventh Circuit · 1971
- Fred Whitaker Company v. E. T. Barwick Industries, Inc.Court of Appeals for the Fifth Circuit · 1977
- Reynolds Metals Co. v. Aluminum Co. of AmericaDistrict Court, N.D. Indiana · 1978
- AIRTEX CORPORATION v. Shelley Radiant Ceiling Co.District Court, N.D. Illinois · 1975
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