RICH, Judge.
This appeal is from the decision of the Patent and Trademark Office (PTO) Board of Appeals affirming the rejection under 35 U.S.C. § 103 of claims 1-3 and 5 in application serial No. 36,406, filed May 11, 1970, for "METAL WORKING APPARATUS AND METHODS OF PIERCING." We reverse.
The invention relates to the manufacture of seamless metal tubing by rolling a round bar or billet of steel over a piercer point. Fig. 30-21 of The Making, Shaping...
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