Legal Opinion

Pangborn Corp. v. W. W. Sly Mfg. Co.

Court of Appeals for the Fourth Circuit

Decided October 21, 1922No. 1962PublishedCited by 25 opinions

1Opinion of the Court

WOODS, Circuit Judge.

The plaintiff sues for infringement of claim 2 of patent 710,624 for a dust collector, issued October 7, 1902, to William W. Sly. The claims allowed by the Patent Office are as follows:

1. A dust collector, comprising a casing) divided into two chambers by a vibratory partition and a series of vertically arranged screens, said screens being supported on a partition at one edge only, the remaining edges being free, and hammers arranged to strike the screens at the supported side at opposite ends alternatively.

2. In a dust collector, in combination, the casing 6, the…

2Cases cited16 opinions

  1. Diamond Rubber Co. of New York v. Consolidated Rubber Tire Co.Supreme Court of the United States · 1911
  2. Deering v. Winona Harvester WorksSupreme Court of the United States · 1894
  3. National Hollow Brake-Beam Co. v. Interchangeable Brake-Beam Co.Court of Appeals for the Eighth Circuit · 1901
  4. First Nat. Bank of Charlotte v. MorganSupreme Court of the United States · 1889
  5. Imhaeuser v. BuerkSupreme Court of the United States · 1880

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

3Cited by25 opinions

  1. Hoeltke v. C. M. Kemp Mfg. Co.Court of Appeals for the Fourth Circuit · 1936
  2. Charles Peckat Mfg. Co. v. JacobsCourt of Appeals for the Seventh Circuit · 1950
  3. Julius Hyman & Co. v. Velsicol Corp.Supreme Court of Colorado · 1951
  4. Florence-Mayo Nuway Co. v. HardyCourt of Appeals for the Fourth Circuit · 1948
  5. USM Corp. v. Marson Fastener Corp.Massachusetts Supreme Judicial Court · 1984

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

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