In re Liebergeld

There is here before us, upon appeal from the decision of the Board of Appeals of the United States Patent Office, affirming the decision of the examiner, one claim of an application for patent on alleged “ improvements in Process for the production of seamless tubes according to the hot extrusion process by means of mechanically driven presses.”

The original application, serial 80338, was filed in the United States Patent Office on January 9, 1926. It is stated in the brief for appellants that:

Tlie application as originally filed * * * placed emphasis on the performance of the extruding…