In re Lundberg

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 claims 1 to 5, inclusive, which are the only claims of appellant’s application for a patent on a flow control valve.

Claims 1 and 5 are representative and read:

1. A flow-control valve comprising a valve body having a flow passage through it and a cylindrical chamber formed transversely across it, and a rectangular plate valve member disposed diametrically in and roekable about the axis of said chamber, the flow-obstructing portions of the cylindrical…