Application of Rose

GARRETT, Chief Judge.

Appellant Rose seeks review and reversal of the decision of the Board of Appeals of the United States Patent Office affirming the rejection by the Primary Examiner of ten claims, numbered 1, 2, 5, 6, 7, 16, 17, 18, 20, and 21, embraced in his application for patent on alleged improvements in a loader or conveyor such as is used in coal mines.

Specifically, says the Primary Examiner, “The invention relates to a hydraulic jack system for tensioning the conveyor chain on the discharge section of a loader used in a coal mine.”

The Primary Examiner’s description of the device,…