Legal Opinion

Freyn Engineering Co. v. Coe

Court of Appeals for the D.C. Circuit

Decided June 10, 1935No. 6335PublishedCited by 2 opinions

1Opinion of the Court

ROBB, Associate Justice.

Appeal from a decree in the Supreme Court of the District dismissing appellant’s bill on the ground that the 3 claims presented under section 4915, Rev. St., as amended (35 U. S. C. § 63 [35 USCA § 63]), are unpatentable.

We reproduce claim 1 as illustrative: “The method of operating a stationary firfe tube boiler whose tubes are less than 3 inches in diameter and more than 1% inches in diameter and the length of which tubes bears a ratio to internal diameter in excess of 75 to 1, which consists in flowing waste heat gases through said tubes at a velocity such that the…

2Cases cited6 opinions

  1. McClain v. OrtmayerSupreme Court of the United States · 1891
  2. Paramount Publix Corp. v. American Triergon Corp.Supreme Court of the United States · 1935
  3. DeForest Radio Co. v. General Electric Co.Supreme Court of the United States · 1931
  4. Grant v. WalkerSupreme Court of the United States · 1893
  5. Ide v. Ball Engine Co.Supreme Court of the United States · 1893

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

3Cited by2 opinions

  1. Tropic-Aire, Inc. v. Cullen-Thompson Motor Co.Court of Appeals for the Tenth Circuit · 1939
  2. Burgess Battery Co. v. United StatesUnited States Court of Claims · 1944

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