Patent
   D677227
Priority
Mar 24 2011
Filed
Mar 24 2011
Issued
Mar 05 2013
Expiry
Mar 05 2027
Assg.orig
Entity
unknown
3
14
n/a
The ornamental design of a heat sink for led light bulb, as shown and described.

FIG. 1 is a perspective view of a heat sink for an LED light bulb showing our design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

Petroski, James T.

Patent Priority Assignee Title
D686769, Oct 02 2011 NeoGraf Solutions, LLC Housing for a recessed light
D701497, Dec 14 2012 ONCE INNOVATIONS, INC Heat sink of a light emitting diode device
D729750, Jun 13 2013 Heat sink of lamp
Patent Priority Assignee Title
3023264,
6787999, Oct 03 2002 Savant Technologies, LLC LED-based modular lamp
6816374, Mar 25 2003 International Business Machines Corporation High efficiency heat sink/air cooler system for heat-generating components
7553047, Jun 01 2006 SAMSUNG DISPLAY CO , LTD Lighting device
7862210, Feb 21 2008 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd.; Foxconn Technology Co., Ltd. LED lamp with heat sink assembly
8226272, Mar 31 2005 NEOBULB TECHNOLOGIES, INC Illuminating equipment using high power LED with high efficiency of heat dissipation
20110019409,
20110063843,
20110080726,
20110215696,
20120212957,
D616381, Jun 18 2009 Foxsemicon Integrated Technology, Inc. Heat dissipation device
D634279, Dec 08 2009 Agency for Science, Technology and Research Heat sink
D634281, Dec 08 2009 Agency for Science, Technology and Research Heat sink
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