Legal Opinion

Derr v. Gleason

Court of Appeals for the D.C. Circuit

Decided June 2, 1919No. 1223PublishedCited by 4 opinions

Appeal from the Commissioner of Patents. Interference proceeding in the Patent Office between Charles E. Derr and James E. Gleason. From a decision by the Commissioner of Patents in favor of Gleason, Derr appeals.

1Opinion of the Court

ROBB, Associate Justice.

Appeal from concurrent decisions of the Patent Office tribunals in an interference proceeding awarding priority *970of invention to the junior.party, Gleason; the ground of the decisions being that Gleason had shown priority of conception and diligence.

The invention is a method for cutting curved gear teeth (gears of that character now being very generally used in the rear axles of automobiles) and a machine for practicing the method. The issue .is expressed in a number of counts, but counts 1 and 12, here- reproduced, are sufficiently illustrative:

“1. The method of…

2Cited by4 opinions

  1. Boucher Inventions, Ltd. v. Sola Electric Co.District Court, District of Columbia · 1942
  2. Goodrum v. ClementCourt of Appeals for the D.C. Circuit · 1922
  3. Searle v. GlarumCourt of Customs and Patent Appeals · 1950
  4. Bungay v. GreyCourt of Appeals for the D.C. Circuit · 1922

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