In re Schaeffer

Appellant here seeks review of a decision of the Board of Appeals of the United States Patent Office affirming a decision of the examiner rejecting an' application for patent, entitled “ Change-Speed Apparatus.”

The rejection by the tribunals of the Patent Office was based upon the ground that no subject matter patentable over the prior •art is defined.

Only a single claim is involved, it being No. 4:

4. In a gear for change-speed devices, the combination of wheels provided with intermeshing teeth whose faces have a normal profile and height, and whose thickness is greater than that of the usual…