Legal Opinion

Dugan v. Lear Avia, Inc.

District Court, S.D. New York

Decided April 28, 1944PublishedCited by 9 opinions

1Opinion of the Court

RIFKIND, District Judge.

By his complaint, plaintiff alleged infringement by defendant of plaintiff’s patent No. 1,959,264 issued May 13, 1934, and sought an injunction and an accounting. At the trial plaintiff abandoned his prayer for an injunction and limited the claims in issue to numbers 1, 2, 3, 4 and 6. The answer denied infringement and alleged invalidity of the patent for want of invention, inoperativeness and insufficiency of the disclosure.

The patent in suit is for a direction-finding and position-indicating system. The principal subject of the claimed invention, in its most…

2Cases cited9 opinions

  1. United Carbon Co. v. Binney & Smith Co.Supreme Court of the United States · 1942
  2. Marconi Wireless Co. v. United StatesSupreme Court of the United States · 1943
  3. Marconi Wireless Telegraph Company of America v. United StatesSupreme Court of the United States · 1943
  4. Holland Furniture Co. v. Perkins Glue Co.Supreme Court of the United States · 1928
  5. Kirsch Mfg. Co. v. Gould Mersereau Co.Court of Appeals for the Second Circuit · 1925

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

3Cited by9 opinions

  1. Levin v. Ripple Twist Mills, Inc.District Court, E.D. Pennsylvania · 1976
  2. Chesterfield v. United StatesUnited States Court of Claims · 1958
  3. Chesterfield v. United StatesUnited States Court of Claims · 1958
  4. Kaz Manufacturing Co., Inc. v. Chesebrough-Ponds, Inc.Court of Appeals for the Second Circuit · 1963
  5. Kaz Manufacturing Co. v. Chesebrough-Pond's, Inc.District Court, S.D. New York · 1962

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

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