Legal Opinion

Blumcraft of Pittsburgh v. Citizens & Southern National Bank

Court of Appeals for the Fourth Circuit

Decided February 19, 1969No. 12719PublishedCited by 2 opinions

1Opinion of the Court

BUTZNER, Circuit Judge:

This appeal is taken from the district court’s ruling that two patents, D-171,963 for design and 2,905,445 for a mechanical device, owned by Blumcraft of Pittsburgh were valid and infringed by railings produced by Architectural Art Manufacturing Co.1 We hold that both patents are invalid under 35 U.S.C. § 103.

I

Blumcraft’s design patent, D-171,963, was granted April 20, 1954 to Louis Blum for a railing styled for use in buildings of contemporary architecture. His application contained a single claim for the design “as shown” in a drawing. The railing consists of multiple…

2Cases cited16 opinions

  1. Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
  2. Gorham Co. v. WhiteSupreme Court of the United States · 1872
  3. Mast, Foos & Co. v. Stover Manufacturing Co.Supreme Court of the United States · 1900
  4. Knapp v. MorssSupreme Court of the United States · 1893
  5. Smith v. Whitman Saddle Co.Supreme Court of the United States · 1893

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

3Cited by2 opinions

  1. Blumcraft Of Pittsburgh v. Citizens And Southern National Bank Of South CarolinaCourt of Appeals for the Fourth Circuit · 1969
  2. Ab Iro v. Otex, Inc.District Court, D. South Carolina · 1983

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