Portable lighting device

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FIG. 1 is a perspective view of a portable lighting device showing our new design thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing is for environmental purposes only and forms no part of the claimed design.


The ornamental design for a portable lighting device, as shown and described.

Referenced Cited
U.S. Patent Documents
D367721 March 5, 1996 Maglica
5836672 November 17, 1998 Maglica et al.
D505217 May 17, 2005 Bayat et al.
D540484 April 10, 2007 Bayat et al.
D556926 December 4, 2007 Thirouin
D577844 September 30, 2008 Shiu
D593695 June 2, 2009 Levine
D595440 June 30, 2009 Rivera et al.
D620627 July 27, 2010 Kovacik et al.
20060039139 February 23, 2006 Maglica et al.
Patent History
Patent number: D640400
Type: Grant
Filed: Oct 22, 2010
Date of Patent: Jun 21, 2011
Inventor: Chia-Ling Huang (Taichung)
Primary Examiner: Ian Simmons
Assistant Examiner: Carissa C Fitts
Attorney: Charles E. Baxley
Application Number: 29/372,149