I claim the ornamental design for an extendable utility bar, as shown and described.
FIG. 1 is a left side elevational view of an extendable utility bar in accordance with the invention, shown in its extended condition;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left end elevational view thereof;
FIG. 6 is a right end elevational view thereof; and,
FIGS. 7–12 are the same views of the extendable utility bar as shown in FIGS. 1–6, respectively, but showing the extendable utility bar in its retracted or collapsed condition.
The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.