I claim the ornamental design for a star bulb, as shown and described.
The present application is related to co-pending U.S. patent application Ser. No. 29/295,942 filed on the same day herewith by Vickie Jean Van Dyn Hoven, the full disclosure of which is hereby incorporated by reference. The present application is related to co-pending U.S. patent application Ser. Nos. 29/263,389 and 29/263,371 by Victoria Jean van Dyn Hoven, each of which is filed on Jul. 21, 2006 and are entitled Star Bulb.
FIG. 1 is a top perspective view of a star bulb;
FIG. 2 is a front elevational view thereof, the rear elevational view being the same as the front elevational view shown;
FIG. 3 is a right side elevational view thereof, the left side elevational view being the same as the left elevational view shown;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.