In re Venner

This is an appeal from the decision of the Board of- Appeals of the Patent Office affirming-the final rejection by the examiner of claims *7551, 2, 5, 8, 10, 13, and 20, all of the claims remaining, of application serial No. 309,966, for “Apparatus for Molding Trunk Pistons.” The subject matter of the claims on appeal was disclosed in a parent application of the same inventors, serial No. 789,124, filed December 1, 1947, and copending with the instant application.

The appealed claims relate to a permanent mold casting apparatus for molding trunk pistons of aluminum and magnesium alloys, wherein the…