Application of Pappas

GARRETT, Chief Judge.

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the rejection by the Primary Examiner, hereinafter referred to simply as the examiner, of the claims embraced in appellants’ application for patent relating, according to the specification, “to airfoils and especially to an airfoil for airplanes characterized by a section or profile which gives greatly increased efficiency at high speeds.” In Webster’s New International Dictionary “airfoil” is defined as “Any surface, fiat or curved, as a wing, aileron, or rudder,…