In re Prichard

MARTIN, Chief Justice.

This is an appeal from concurrent decisions of the Patent Office rejecting claim 8 of appellant’s application for a patent.

It appears that this claim constituted count 2 of an interference proceeding involving the same invention, which was before this court in the ease of Setzler v. Prichard, 54 App. D. C. 266, 296 F. 1013. The counts of that interference read as follows:

“1. A process for treating petroleum or its derivatives, which consists in introducing the same to a sealed retort, establishing and maintaining therein a temperature and pressure for cracking a gasoline…