In Re Nicolson

LENROOT, Associate Judge.

This is an appeal from a decision of the Board of Appeals of the United States Patent Office, affirming a decision of the examiner, rejecting claims 17 and 18 of appellant’s application, filed on January 8,1924, which claims were copied from patent No. 1,572,-773, issued to one Crossley on February 9, 1926. Said claims were filed by appellant on March 4, 1927, and the purpose of copying said claims from the Crossley patent was to secure an interference between appellant’s application and said patent.

The claims here in issue were rejected upon the ground that they are…