US D526646 S1
Abstract available in
FIG. 1 is a perspective view of an arithmetic and control unit showing my new design, wherein a lid portion is in the open position;
FIG. 2 is a top plan view thereof, wherein the lid portion is in the open position; and,
FIG. 3 is a reference top plan view thereof, wherein the lid portion is removed.
Portions of FIGS. 1 and 2 that are shown as broken lines and FIG. 3 are for illustrative purposes only and form no part of the claimed design.