Application of Charles R. Busch

WORLEY, 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 of all claims remaining in appellant’s application for a patent on an improvement in railway car trucks. No claims were allowed. The grounds of rejection were lack of invention over appellant’s prior patent and res judicata,. Claim 21 is representative of the appealed claims and reads:

“21. For protective use in a railway car truck having a side frame formed with a longitudinal brake-beam-guiding recess defined by upper and lower…