The ornamental design for an extendiblevehicleantenna, as shown and described.
FIG. 1 is a perspective view of an extendible vehicle antenna, showing our new design in a retracted configuration;
FIG. 2 is a front elevational view of FIG. 1, the rear elevational view being a mirror image thereof;
FIG. 3 is a left-side elevational view of FIG. 1, the right-side elevational view being a mirror image thereof;
FIG. 4 is a top plan view of FIG. 1;
FIG. 5 is a bottom plan view of FIG. 1;
FIG. 6 is a perspective view thereof, illustrated in an extended configuration;
FIG. 7 is a front elevational view of FIG. 6, the rear elevational view being a mirror image thereof;
FIG. 8 is a left-side elevational view of FIG. 6, the right-side elevational view being a mirror image thereof; and,
FIG. 9 is a cross-sectional view thereof, taken along line 9--9 of FIG. 2.
The broken lines showing a vehicle in FIGS. 1 and 6 depict environmental matter and form no part of the claimed design. The remaining broken lines in the drawings depict portions of the extendible vehicle antenna that form no part, of the claimed design.