RICH, Judge.
This appeal is from the decision of the Patent Office Board of Appeals affirming the examiner's rejection of claim 33, the sole claim before us, "as failing to read on applicant's disclosed structure." Appellant presented claim 33 in his application Ser. No. 521,495, filed July 12, 1955, entitled "Ball Type Valve," requesting an interference on this claim with Kaiser Patent No. 2,868,498 issued January 13, 1959, from which patent the claim was copied...
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