In re Lincoln

The alleged invention involved in this appeal from the decision of the Board of Appeals of the United States Patent Office, affirming the action of the Primary Examiner in finally rejecting all of appellants’ claims (3 to 5, inclusive) in their application for patent, relates to a lubricant -which comprises a mineral oil and a small *1214amount of an ingredient formed by oxidizing a mixture of hydrocarbons and halogenating the resultant product.

The claims were rejected upon the patent to Bray, No. 2,257,328, issued September 30, 1941.

Claim 3, the broadest of the group, is illustrative of the…