Legal Opinion

Good Roads Co. v. Charles Hvass & Co.

Court of Appeals for the Second Circuit

Decided April 30, 1934No. 394PublishedCited by 6 opinions

1Opinion of the Court

MANTON, Circuit Judge.

This suit is for infringement of patent No. -1,715,325, issued May 28, 1927, on an application filed March 18,1927. The patent related to a spreading apparatus for distributing stone chips or other loose materials over road surfaces. The defense of invalidity was sustained below, and it is'the principal question argued on this appeal.

Claims 1, 2, 3, and 8 axe relied upon. Claims 5 and 6 were disclaimed by formal disclaimer filed August 9, 1933. It is conceded by appellant that the invalidity of the four claims now relied upon depends upon whether the inventor disclosed…

2Cases cited11 opinions

  1. Egbert v. LippmannSupreme Court of the United States · 1881
  2. Permutit Co. v. Graver Corp.Supreme Court of the United States · 1931
  3. Sachs v. Hartford Electric Supply Co.Court of Appeals for the Second Circuit · 1931
  4. Michigan Carton Co. v. Sutherland Paper Co.Court of Appeals for the Sixth Circuit · 1928
  5. Fulton Co. v. Powers Regulator Co.Court of Appeals for the Second Circuit · 1920

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3Cited by6 opinions

  1. Harries v. Air King Products Co., IncCourt of Appeals for the Second Circuit · 1950
  2. Hazeltine Research v. General Motors CorporationCourt of Appeals for the Sixth Circuit · 1948
  3. General Electric Co. v. Hygrade Sylvania CorporationDistrict Court, S.D. New York · 1944
  4. Van Der Horst Corp. v. Chromium Corp.District Court, S.D. New York · 1951
  5. National Machinery Co. v. Waterbury Farrel Foundry & Machine Co.District Court, D. Connecticut · 1963

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