Petty v. Giles

These three appeals are from decisions of the Board of Appeals of the United States Patent Office in which priority of invention was awarded to Boy N. Giles in three interferences involving, generally, the separation of wax from lubricating oil by the use of normally gaseous hydrocarbon diluents such as propane and butane. The three appeals are presented to us in a single record and we will dispose of the issues raised thereby in a single opinion.

There are three counts involved, one in each interference. They follow:

Interference No. 68,617

The process of separating hydrocarbon lubricating oil…