GRAHAM, Presiding Judge.
This is an appeal from a rejection by the Patent Office of claims numbered 9, 10, and 11, in appellant's application for a patent, Serial No. 736,824, filed September 10, 1924. These claims were rejected by both the examiner and the Board of Appeals, and are as follows:
"9. An alloy consisting of nickel, copper and manganese which has a substantially zero temperature coefficient of resistance in which the nickel is more than 45% and...
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