Legal Opinion

Mechanical Const. Co. v. Locomotive Stoker Co.

District Court, W.D. Pennsylvania

Decided July 5, 1921No. 323PublishedCited by 3 opinions

In Equity. Suit for infringement of patent by the Mechanical Construction Company against the Locomotive Stoker Company, in which defendant by way of counterclaim alleged infringement of a patent by plaintiff.

1Opinion of the Court

TPIOMSON, District Judge.

The Mechanical Construction Company, a corporation of the state of Ohio, brings this suit against the Locomotive Stoker Company, for infringement of letters patent No. 979,849 for an improvement in an automatic stoker, issued to the plaintiff on December 27, 1910, on an application filed by William T. Hanna. The defendant denies infringement, alleges the invalidity of the patent, and by way of counterclaim alleges infringement by the plaintiff of letters patent No. 1,130,443, issued to the defendant on March 2, 1915, as assignee of Clement E. Street. Plaintiff in…

2Cited by3 opinions

  1. Elvin Mechanical Stoker Co. v. Locomotive Stoker Co.Court of Appeals for the Third Circuit · 1923
  2. Locomotive Stoker Co. v. Mechanical Const. Co.Court of Appeals for the Third Circuit · 1921
  3. Locomotive Stoker Co. v. Elvin Mechanical Stoker Co.District Court, D. Delaware · 1922

Showing a preview — retrieve the full document via the Exa API.

Powered by the Exa API