Legal Opinion

In re Prutton

Court of Customs and Patent Appeals

Decided July 2, 1941No. 4509PublishedCited by 3 opinions

1Opinion of the CourtHatfield, Judge

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the decision of the Primary Examiner rejecting claims 28 and 29 in appellant’s application for a patent for ail alleged invention relating to a lubricating composition.

The claims read:

28. A lubricating composition comprising a major proportion of lubricating oil and from an effective amount to about 20% based on the amount of lubricating oil of a halogenated alkylated aromatic ketone.

29. A lubricating composition comprising a major proportion of lubricating oil and from an effective amount…

2Cited by3 opinions

  1. In re ShokalCourt of Customs and Patent Appeals · 1957
  2. Application of Edward C. Shokal, Paul A. Devlin and Deloss E. WinklerCourt of Customs and Patent Appeals · 1957
  3. In re PruttonCourt of Customs and Patent Appeals · 1949

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

Powered by the Exa API