RICH, Judge.
This appeal is from the decision of the Patent Office Board of Appeals affirming the rejection of claims 52-54 of application serial No. 676,563, filed August 6, 1957, originally entitled "Method of Manufacturing Semi-Conductor Devices."
Appellant Beale copied the three appealed claims from Schwartz et al. patent (hereinafter "Schwartz") No. 3,001,895
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