Portable lighting device
Description
The broken line showing is for environmental purposes only and forms no part of the claimed design.
Claims
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
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
Classifications
Current U.S. Class:
Substantially Circular Body Cross Section (7) (D26/49);
Fluorescent Tube Type (D26/42)