Keefe v. Watson

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the decision' of the Examiner of Interferences awarding priority to Watson in an interference proceeding involving a single count which reads as follows:

A flexible rubber tire valve stem having a longitudinal through passage cross-seetionally reduced intermediate its ends to provide a seat integral with the stem and faced toward the base of said stem, a movable valve head cooperable with said seat to close said passage, a movable closure member cooperating with the outer end of said pasage…