JACKSON, Associate Judge.
This appeal is from a decision of the Board of Appeals of the United States Patent Office rejecting claims 4, 5, and 8 to 14, inclusive, of an application for a patent for "certain new and useful improvements in Anti-Siphon Valve," for lack of patentability over the prior art. Five claims were allowed.
The following references were cited: Linstrom, 573,788, December 22, 1896; Gulland, 595,061, December 7, 1897; Putnam, 1,901,119,...
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