GRAHAM, Presiding Judge.
The appellant has appealed from the decision of the Board of Appeals of the United States Patent Office, affirming the decision of the Examiner in rejecting claims 1 and 2 of appellant's application for patent on an alleged invention relative to internal combustion engines of the sleeve valve type.
The claims were rejected on reference to Urtel, 1,156,508, October 12, 1915, and Knight (British), 28,693, December 13, 1912. Claim 1 is...
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