9 ELECTRICAL APPARATUS, NAMELY, LAMP HOLDERS, LAMP TRACKS, SUSPENSIONS, CONNECTING TUBES, BRACKETS, JOINTS, COUPLINGS, END PLATES, AND COVER PLATES FOR LIGHTING INSTALLATIONS, AND PARTS AND FITTINGS FOR ALL OF THE FOREGOING
11 ELECTRIC LIGHT REFLECTORS, LOUVERS, AND DIFFUSERS
THE MARK COMPRISES A FANCIFUL REPRESENTATION OF A SERIES OF PIPE TUBES AND VERTICAL LIGHT RAYS.