BLAND, Associate Judge.
This is an ex parte appeal from the decision of the Board of Appeals of the United States Patent Office, rejecting certain claims of an application for a patent for a so-called liquid-level indicating device, such as is used to indicate the level of gasoline in automobiles. There are but two appealed claims which follow:
"2. A device for indicating the depth or quantity of liquid in a container comprising an elongated tube open at one...
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