Legal Opinion

Ashland Fire Brick Co. v. General Refractories Co.

Court of Appeals for the Sixth Circuit

Decided June 18, 1928No. 4800PublishedCited by 14 opinions

1Opinion of the Court

DENISON, Circuit Judge.

This is the usual suit for infringement, based upon reissue patent No. 15,889, August 12, 1924, to Tackett, for a brick machine. The defense chiefly relied upon in the court below and here is that, between the date of the original issue and the application for the broadened reissue, the defendant had built and begun to operate its machines in a form which was not covered by the original patent, even though it were by the reissue, and that the defendants had thus acquired such a right, intervening with reference to the original and reissue, as to make it inequitable to…

2Cases cited13 opinions

  1. Topliff v. TopliffSupreme Court of the United States · 1892
  2. Mahn v. HarwoodSupreme Court of the United States · 1884
  3. Webster Electric Co. v. Splitdorf Electrical Co.Supreme Court of the United States · 1924
  4. Chapman v. WintroathSupreme Court of the United States · 1920
  5. Parker & Whipple Co. v. Yale Clock Co.Supreme Court of the United States · 1887

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

3Cited by14 opinions

  1. Sontag Chain Stores Co. v. National Nut Co. of Cal.Supreme Court of the United States · 1940
  2. Marine Polymer Technologies, Inc. v. Hemcon, Inc.Court of Appeals for the Federal Circuit · 2012
  3. Otis Elevator Co. v. Atlantic Elevator Co.Court of Appeals for the Second Circuit · 1931
  4. Naivette, Inc. v. BishingerCourt of Appeals for the Sixth Circuit · 1932
  5. H. W. Roos Co. v. McMillanCourt of Appeals for the Sixth Circuit · 1933

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

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