The ornamental design for the pair of bookends, as shown and described.
This patent contents at least one drawing/photograph executed in color. Copies of this patent with colored drawings(s)/photograph(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front perspective view of a pair of bookends, showing my new design in an abutted state;
FIG. 2 is a front elevation view of a pair of bookends, showing my new design in a separated state;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a bottom plan view of one bookend of the pair of bookends, the other bookend being a mirror image thereof;
FIG. 5 is a right side elevation view of the first bookend of the pair of bookends, the left side elevation of the second bookend being the mirror image thereof.
FIG. 6 is a rear elevation view of one bookend of the pair of bookends, the front elevation of the other bookend being a mirror image thereof;
FIG. 7 is a front elevation view of one bookend, the rear elevation of the other bookend being a mirror image thereof;
FIG. 8 is a left side elevation view of the pair of bookends; and,
FIG. 9 is a top plan view of the design as shown in FIG. 2.