Legal Opinion

Speed v. Kirby

Court of Appeals for the D.C. Circuit

Decided February 7, 1921No. Nos. 1376, 1378PublishedCited by 2 opinions

Appeal from the Commissioner of Patents. Interference proceeding between James A. Speed and Charles H. Kirby. From a decision of the Commissioner of Patents, awarding one of the three counts in issue to Speed and the other two counts to Kirby, both parties appeal.

1Opinion of the Court

SMYTH, Chief Justice.

This interference relates to carbureters for internal combustion engines. There are three counts, as follows:

1. In a carbureter, the combination, with the casing containing the mixing chamber, of an automatic air valve controlling the admission of air to said mixing chamber, co-operating means variably restricting the flow of the liquid fuel, and a dashpot for retarding the opening movement of said valve, permitting the unresisted closing thereof.

2. In a carbureter, the combination, with a casing containing the mixing chamber, of an automatic valve controlling the…

2Cited by2 opinions

  1. Southgate v. GreeneCourt of Customs and Patent Appeals · 1932
  2. Swain v. BoothDistrict Court, District of Columbia · 1924

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