In re Robertson

After allowing four claims in appellant’s application for a patent relating to a valve-stem assembly for an inflatable rubber inner tube, the Primary Examiner of the United States Patent Office rejected the remaining claims, numbered 40, 41, 42, and 43. Upon appeal to the Board of Appeals, the decision of the examiner was affirmed. Appellant has appealed here from said decision of the board.

Claim 40 is illustrative of the involved subject matter and reads:

40. A valve stem for an inner tube for a pneumatic tire, said valve stem comprising a tubular rubber body and a relatively rigid tubular…