(under the class definition) Subject matter comprising those portions of registers, usually manually actuated, including keys, shift-keys, space bars, etc., which control and
initiate the action of the calculating machine to determine what numbers shall be introduced and how; also to control subsidiary operations of the machine.
SEE OR SEARCH CLASS
234, Selective Cutting (e.g., Punching),
123+, for a keyboard associated with a selective cutting machine.
