In Re Richard L. Elliott and Carl R. Joslyn

WORLEY, Chief Judge.

This appeal is from the decision of the Board of Appeals of the United States Patent Office affirming the final rejection by the Primary Examiner of claims 1, 3 to 6, inclusive, 8, 11, 12, 14, and 18 of appellants’ application for a patent on a radio shielding conduit and method of making it, as unpatentable over prior art.

Claims 1, 4, and 11, which are representative of the appealed claims, read:

“1. A flexible conduit comprising a plurality of braided wire tubes telescoped to form a multiply metallic hose, a lining of flexible nonporous material in said hose, and a layer…