Legal Opinion
Park-In-Theatres, Inc. v. Perkins
Court of Appeals for the Ninth Circuit
Decided June 22, 1951No. 12627PublishedCited by 101 opinions
1Opinion of the Court
HASTIE, Circuit Judge.
The matter in question here is the validity of a patent on a drive-in theatre. United States Letters Patent No. 1,909,537 was issued on May 16, 1933 to R. M. Hollingshead, Jr. It was subsequently assigned to plaintiff, Park-In Theatres, a New Jersey corporation which brought this suit against two individual and two corporate defendants, all citizens of California, charging infringement of certain claims of the patent and praying for damages and an injunction. On defendants’ motion for summary judgment, the district court held the patent claims invalid, and entered…
2Cases cited19 opinions
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Sinclair & Carroll Co. v. Interchemical Corp.Supreme Court of the United States · 1945
- Associated Plastics Companies, Inc. v. Gits Molding CorporationCourt of Appeals for the Seventh Circuit · 1950
- Loew's Drive-In Theatres, Inc. v. Park-In Theatres, Inc.Court of Appeals for the First Circuit · 1949
- Phillips Petroleum Co. v. Esso Standard Oil Co.District Court, D. Maryland · 1950
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3Cited by101 opinions
- Octane Fitness, LLC v. Icon HealthSupreme Court of the United States · 2014
- Octane Fitness, LLC v. ICON Health & Fitness, Inc.Supreme Court of the United States · 2014
- MacHinery Corporation of America v. Gullfiber Ab, Gullfiber International and Marvin SchneiderCourt of Appeals for the Federal Circuit · 1985
- Vermont Structural Slate Company, Inc. v. Tatko Brothers Slate Company, Inc.Court of Appeals for the Second Circuit · 1956
- Brooks Walker v. General Motors Corporation and Les Vogel Chevrolet CompanyCourt of Appeals for the Ninth Circuit · 1966
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