In re Fisher

This is an appeal from the decision of the Board of Appeals of the Patent Office, affirming that of the examiner rejecting the claims as defining 'nothing patentable over the prior art. The claims are two in number and read as follows:

1. In apparatus of the character described, the combination with a three-roller mill and housing therefor, of an upper roller mounted in said housing above the upper roller of said mill, with means for simultaneously rotating all of said rollers, and means for directing the crushed solid material from the two upper rollers back between the upper roller of the…