Legal Opinion

Koochook Co. v. Barrett

Court of Appeals for the Eighth Circuit

Decided December 26, 1946No. 13390PublishedCited by 13 opinions

1Opinion of the Court

SANBORN, Circuit Judge.

This appeal is from a judgment for the plaintiffs, Harry B. Barrett and Barrett Equipment Company, in an action to enjoin infringement by the defendants, Koo-chook Company, Inc., and Lempco Products, Inc., of claims 1, 2, 13 and 14 of United States Letters Patent No. 2,187,962 for a “Combination Precision Grinder and Caliper,” issued to Harry B. Barrett J anua-ry 23, 1940, upon an application filed October 14, 1936. The patented device of Barrett is a tool primarily designed for grinding the brake-shoes of motor vehicles. The defendant Lempco Products, Inc., makes and…

2Cases cited27 opinions

  1. Cuno Engineering Corp. v. Automatic Devices Corp.Supreme Court of the United States · 1942
  2. MacHine Co. v. MurphySupreme Court of the United States · 1878
  3. Hotchkiss v. GreenwoodSupreme Court of the United States · 1851
  4. Altoona Publix Theatres, Inc. v. American Tri-Ergon Corp.Supreme Court of the United States · 1935
  5. Reckendorfer v. FaberSupreme Court of the United States · 1876

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3Cited by13 opinions

  1. Trico Products Corporation v. Delman Corporation Delman Corporation v. Trico Products CorporationCourt of Appeals for the Eighth Circuit · 1950
  2. Robert E. Caldwell, an Individual, and Caldwell Manufacturing Company, a Corporation v. Kirk Manufacturing Company, a CorporationCourt of Appeals for the Eighth Circuit · 1959
  3. Alemite Co. v. Jiffy Lubricator Co.Court of Appeals for the Eighth Circuit · 1949
  4. Gomez v. Granat Bros.Court of Appeals for the Ninth Circuit · 1949
  5. Miller v. TilleyCourt of Appeals for the Eighth Circuit · 1949

8 more not listed; retrieve them via the Exa API.

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