GRAHAM, Presiding Judge.
The appellant made application to the Patent Office in serial No. 673,547, on November 8, 1923, for what he claimed was a new and improved grinder wheel oscillator. As finally amended, fourteen claims were attached to his application, claims 3, 6, 10, 11, and 12 being allowed, and claims 1, 2, 4, 5, 7, 8, 9, 13, and 14 being rejected by both tribunals in the Patent Office. The appellant has assigned error on the refusal of the rejected claims...
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