In re Storsand

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 Primary Examiner rejecting as unpatentable over the patent to Allan, 1,702,924, February 19, 1929, all of the claims 10 to 18, inclusive, of an application for a patent for Bipolar Electrolyzers.

We were not favored with oral argument on behalf of appellant. His appeal was submitted on brief.

Claim 10 is illustrative of the subject matter in issue and reads as follows:

10. A bipolar electrolyzer having the combination of a group…