Legal Opinion

Brown v. Tomlinson

District Court, District of Columbia

Decided April 5, 1920No. 1254PublishedCited by 3 opinions

Appeal from a Decision of the Assistant Commissioner of Patents. Interference proceeding in the Patent Office Brown and Charles H. Tomlinson. From a decision awarding priority of invention to Tomlinson, Brown appeals.

1Opinion of the Court

ROBB, Associate Justice.

Appeal from concurrent decisions of the Patent Office awarding priority of invention to the senior party, .Tomlinson. The second of the two claims of the issue is here reproduced:

“2. In an electric train coupling, the combination with a casing containing a plurality of fixed contacts adapted to be connected to train line circuits and a longitudinally movable contact slide having corresponding contacts, of fluid pressure operated means for projecting said slide to electrically connect the fixed contacts of counterpart couplings, and a manually operated element for…

2Cases cited1 opinion

  1. Hale v. ParmleyTennessee Supreme Court · 1850

3Cited by3 opinions

  1. Humiston v. VoorheesCourt of Appeals for the D.C. Circuit · 1927
  2. Dewson v. TomlinsonCourt of Appeals for the D.C. Circuit · 1921
  3. Doyle v. TomlinsonDistrict Court, District of Columbia · 1920

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