Application of Greider

JACKSON, Judge.

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 11 claims, 1 to 7, inclusive, and 15 to 18, inclusive, of a patent application, serial No. 570,477, filed November 29, 1944. All of the involved claims, with the exception of claims 17 and 18, were rejected by the examiner as un-patentable over the patent to Kennedy, No. 1,820,538, dated August 25, 1931, upon an application, serial No. 282,506, filed June 2, 1928.

Claims 17 and 18 were rejected as not readable on the elected species, there…