FIG. 1 is a perspective view of a crossbar for a vehicle rooftop carrier rack;
FIG. 2 is a top perspective view thereof;
FIG. 3 is a bottom perspective view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a detailed front view of the right end thereof;
FIG. 6 is rear elevational view thereof;
FIG. 7 is a detailed rear view of the left end thereof, (the right end being a mirror image of the left end);
FIG. 8 is a top plan view thereof;
FIG. 9 is a detailed top view of the right end thereof, (the right end being a mirror image of the left end);
FIG. 10 is a bottom plan view thereof;
FIG. 11 is a detailed bottom view of the left end thereof, (the right end being a mirror image of the left end);
FIG. 12 is a left side elevational view thereof, (the right side being a mirror image thereof);
FIG. 13 is an upper perspective view of the left end thereof;
FIG. 14 is an upper perspective view of the right end thereof;
FIG. 15 is a lower perspective view of the left end thereof;
FIG. 16 is a lower perspective view of the right end thereof; and,
FIG. 17 is a cross sectional view of the article at a vertical line bisecting the design in FIG. 4.
The left and right sides of the design are mirror images of one another. Therefore, the right side has not been shown. The right and left ends of the design are mirror images of one another. The cross-sectional view of FIG. 17 has been included to show the contour of the surface of the design; the interior structure does not form a part of the claimed design. The broken lines in FIG. 1 are included for the purpose of illustrating environment, and do not form a part of the claimed design. The broken lines in FIGS. 3, 10, 11, 14, 15 and 16 are included for the purpose of indicating unclaimed portions of the crossbar for a vehicle rooftop carrier rack.