Patent
   D645993
Priority
Jan 06 2011
Filed
Jan 06 2011
Issued
Sep 27 2011
Expiry
Sep 27 2025
Assg.orig
Entity
unknown
40
11
n/a
The ornamental design for a light bulb having a heat sink, as shown and described.

FIG. 1 is a perspective view of a light bulb having a heat sink showing my new design;

FIG. 2 is a front plan view thereof;

FIG. 3 is a side plan view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Wang, Jin

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