Advertising sign for vehicles

FIG. 1 is a front, side perspective view of a first embodiment of an advertising sign for vehicles showing my new design;

FIG. 2 is a front elevation of the embodiment of FIG. 1;

FIG. 3 is an end view of the embodiment of FIG. 1 in which the opposing end is a mirror image thereof;

FIG. 4 is a top plan view of the embodiment of FIG. 1 showing the side opposite that shown in FIG. 2;

FIG. 5 is a bottom plan view of the embodiment of FIG. 1;

FIG. 6 is a front, side perspective view of a second embodiment of an advertising sign for vehicles in accordance with my design;

FIG. 7 is a front elevation of the embodiment of FIG. 6, the rear elevation being a mirror image thereof;

FIG. 8 is an end view of the embodiment of FIG. 6, the opposing end being a mirror image thereof;

FIG. 9 is a bottom plan view of the embodiment shown in FIG. 6;

FIG. 10 is a front elevation of a third embodiment of an advertising sign for vehicles showing my new design;

FIG. 11 is a top plan view of the embodiment shown in FIG. 10;

FIG. 12 is a front elevation of a fourth embodiment of an advertising sign for vehicles showing my new design; and,

FIG. 13 is a top plan view of the embodiment shown in FIG. 12.

The bottom views of the third and fourth embodiments are identical to FIG. 5. The broken lines are shown for illustrative purposes only and form no part of the claimed design.