Legal Opinion

Belden v. Air Control Products, Inc.

District Court, W.D. Michigan

Decided August 24, 1956No. Civ. A. No. 2302PublishedCited by 8 opinions

1Opinion of the Court

STARR, Chief Judge.

The plaintiffs as assignees and owners of United States Letters Patent No. 2,-458,134 issued January 4, 1949, for an adjustable ventilator, filed complaint alleging infringement by the defendant, a Michigan corporation. They asked for an injunction against further infringement and for damages and costs of suit. The defendant answered, alleging invalidity of patent because of prior art anticipation and lack of invention, and denying infringement. Prior to trial the defendant’s motion for a summary judgment was denied; the plaintiffs’ claim of unfair competition was…

2Cases cited49 opinions

  1. Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
  2. Cuno Engineering Corp. v. Automatic Devices Corp.Supreme Court of the United States · 1942
  3. Lincoln Engineering Co. v. Stewart-Warner Corp.Supreme Court of the United States · 1938
  4. General Electric Co. v. Wabash Appliance Corp.Supreme Court of the United States · 1938
  5. Altoona Publix Theatres, Inc. v. American Tri-Ergon Corp.Supreme Court of the United States · 1935

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3Cited by8 opinions

  1. L. B. Smith, Inc. v. HughesDistrict Court, E.D. Pennsylvania · 1961
  2. Sherman v. Moore Fabrics, Inc.District Court, D. Rhode Island · 1959
  3. Barrott v. Drake Casket Co.District Court, W.D. Michigan · 1960
  4. Donald A. Belden v. Air Control Products, Inc.Court of Appeals for the Sixth Circuit · 1957
  5. Perfect Circle Corp. v. Hastings Manufacturing Co.District Court, W.D. Michigan · 1958

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