In re Crowley

Four claims of an application for patent, relating to valve stems designed particularly for use with pneumatic tires of motor vehicles, are here upon appeal from a decision of the Board of Appeals of the United States Patent Office affirming their rejection by the examiner. The claims are numbered 8, 9, 10 and 11, respectively. Of those, numbers 8 and 10 are thought to be typical :

8. A valve stem comprising two stem parts, one of said parts having an internal bore extending therethrough and being provided with a head at one end and *882with a reduced portion, a packing arranged on said reduced-…