The ornamental design for a domestic fueloiltank, as shown and described.
FIG. 1 is a front elevation of a domestic fuel oil tank embodying our new
design, the rear elevation being a mirror image of the front elevation;
FIG. 2 is a top plan view;
FIG. 3 is a bottom plan view; and,
FIG. 4 is a righthand end elevation, the lefthand elevation being
identical, the thickness of the support structure being enlarged for the
purposes of illustration.