In re Day

Appellant here seeks reversal of a decision of the Board of Appeals of the United States Patent Office affirming a decision of the examiner rejecting, for lack of patentability over the cited prior art, claims 13, 23, 24, and 25 of his application for a patent. No claims have been allowed.

Claim 13 is illustrative of the subject matter involved and reads as follows:

13. Method of concurrently and uniformly surface hardening gear teeth having a diametral pitch of about six or greater, which comprises rotating the gear about its axis at from about 50 to about 120 R. P. M. directing a plurality of…