Legal Opinion
Northrop Architectural Systems v. Lupton Manufacturing Co.
Court of Appeals for the Ninth Circuit
Decided January 28, 1971No. Nos. 24341, 24802 and 24803PublishedCited by 1 opinion
1Per curiam
These appeals involve the validity of certain claims under United States Letters Patent No. 2,913,046 issued to appellant’s predecessor, Arcadia Metal Products, for sliding closure doors employed in the construction of homes, apartments and other structures. After extensive pre-trial procedures, and consolidation for trial, the district judge declared the patent claims invalid for “obviousness” under 35 U.S.C. § 103 and entered summary judgments in favor of appellees.
Litigation is no stranger to the patent in suit. In 1962, appellant’s predecessor successfully prosecuted an action against…
2Cases cited8 opinions
- Adickes v. S. H. Kress & Co.Supreme Court of the United States · 1970
- First Nat. Bank of Ariz. v. Cities Service Co.Supreme Court of the United States · 1968
- 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
- Industrial Building Materials, Inc. v. Interchemical CorporationCourt of Appeals for the Ninth Circuit · 1971
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3Cited by1 opinion
- Northrop Architectural Systems, a Corporation v. Lupton Manufacturing Co., a Corporation, Northrop Architectural Systems, a Corporation v. United States Aluminum Corporation, a Corporation, and International Window Corp., a Corporation, Northrop Architectural Systems, a Corporation v. Fullview Industries, Inc., a CorporationCourt of Appeals for the Ninth Circuit · 1971