In re Hoover

JacKSON,- Judge,

delivered tlie opinion of the court:

■ This is an appeal from a decision of the Board of Appeals of the United States Patent Office affirming that of the examiner rejecting, in view-of the prior art,-all-of the claims, 14 and 15, of an application for a patent-alleging certain new and useful improvements in Traction Wheel and Method. -

The claims are as -follows:

- 14. A traction whedl comprising a resilient flexible walled tire having therein a single, circumferentially continuous annular, chamber, a -quantity of liquid in the .lower portion of said chamber to serve as ballast…