In re Milne

Appellant, on October 31, 1939, filed in the United States Patent Office an application for a patent for “Pulp "Flow Distributors for Paper-Making and Board-Making Machines.”

Claim 18, being the only claim here involved, was rejected by the Primary Examiner on the ground of unpatentability over the cited ■ prior art. Upon appeal the rejection was affirmed by the Board of Appeals.

Said claim 18 reads as follows:

18. The combination with a paper-making machine of a unitary flow-distributor construction comprising, a box having bottom, outer, inner, and side walls and provided with an inlet in its…