The ornamental design for a hairdryer, as shown and described.
FIG. 1 is a perspective view of substantially more than a guadrant of the
side and back of a hair dryer showing my new design with only a portion of
the extended length of a cable being illustrated for convenience;
FIG. 2 is a view from the side of a hair dryer as shown in FIG. 1 with the
electrical cable stowed around the grille portion of the hairdryer;
FIG. 3 is a front elevation of the hair dryer of FIG. 1;
FIG. 4 is a view in elevation of the hair dryer as shown in FIG. 1
illustrating, however, a quadrant of the side of the hair dryer removed
substantially 90° from the side of the hair dryer seen in FIG. 1;
and
FIG. 5 is a view similar to that shown in FIG. 4 yet illustrating a
quadrant of the side of the hair dryer removed substantially 180°
from the side of the hair dryer seen in FIG. 1.