The ornamental design for a portion of a vehiclegrille, as shown and described.
FIG. 1 is a left, front perspective view of a portion of a vehicle grille showing my new design;
FIG. 2 is an enlarged left, front perspective view thereof;
FIG. 3 is a front elevational view thereof; and,
FIG. 4 is an enlarged front elevational view thereof.
In FIGS. 1 and 3, the broken line comprises a claim boundary. Neither the de-emphasized portions outside of the broken line nor the broken line itself forms any part of the claimed invention.
The portions of the grille shown throughout the drawing views in de-emphasized and half-tone portions outside the broken lines and the broken lines representing the boundary and configuration of what is claimed as the design are for environmental and illustrative purposes only and form no part of the claimed design.