Legal Opinion

Gatch Wire Goods Co. v. W. A. Laid-Law Wire Co.

Court of Appeals for the Seventh Circuit

Decided December 11, 1939No. 6892PublishedCited by 6 opinions

1Opinion of the Court

EVANS, Circuit Judge.

This appeal assails the decree which dismissed a patent infringement suit on the ground that the patent on its face did not disclose patentable invention and was invalid. The patent covers an improvement in a fly swatter, the improvement consisting in the use of a rubberized fabric frame.

The decree having been entered on a motion to dismiss, no evidence was introduced. Attached however to the defendant’s motion to dismiss the amended complaint was an affidavit of its president, and a certified copy of a prior patent to defendant Was-son, No. 1,939,838. Plaintiff made…

2Cases cited57 opinions

  1. The Barbed Wire PatentSupreme Court of the United States · 1892
  2. Brown v. PiperSupreme Court of the United States · 1875
  3. Smith v. Goodyear Dental Vulcanite Co.Supreme Court of the United States · 1877
  4. Coffin v. OgdenSupreme Court of the United States · 1874
  5. Cantrell v. WallickSupreme Court of the United States · 1886

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3Cited by6 opinions

  1. Davison Chemical Corp. v. Joliet Chemicals, Inc.Court of Appeals for the Seventh Circuit · 1950
  2. Rubinstein v. Silex Co.District Court, S.D. New York · 1947
  3. Juniper Mills, Inc. v. J. W. Landenberger & Co.District Court, E.D. Pennsylvania · 1947
  4. Karl Kiefer Mach. Co. v. United States Bottlers Machinery Co.Court of Appeals for the Seventh Circuit · 1940
  5. Henry Pratt Co. v. Baldwin-Lima-Hamilton Corp.District Court, N.D. Illinois · 1966

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