HATFIELD, Judge.
This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the decision of the Primary Examiner rejecting all of the claims (Nos. 4, 7, and 11 to 14, inclusive) in appellant's application for a patent for an alleged invention relating to improvements in an alloy steel piston ring for use in internal combustion engines.
The alleged invention is sufficiently described in the appealed claims, of which...
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