In re Allen

BLAND, Associate Judge.

Henry B. Allen filed his application in the United States Patent Office for a patent relating to a cutting tool for high speed cutting of non-metallic materials. The Primary Examiner finally rejected claims 1 and 2, which are the only claims in the application. They read as follows:

“1. A cutting tool for high speed rotary cutting of non-metallic materials composed of a steel of the high-carbon, high-chrome type whose analysis falls within the following limits: carbon 1.50 % to 2.25%, manganese .20% to .60%, silicon .10% to .40%, chromium 11.50% to 13%, sulphur maximum…