Portable power supply

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Description

FIG. 1 is a front elevation view of a portable power supply showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a left bottom perspective view thereof;

FIG. 8 is a right top perspective view thereof; and,

FIG. 9 is a left top perspective view thereof.

Claims

The ornamental design for a portable power supply, as shown and described.

Referenced Cited
U.S. Patent Documents
5019767 May 28, 1991 Shirai et al.
D340027 October 5, 1993 Tortola
D361978 September 5, 1995 Shirai et al.
5648712 July 15, 1997 Hahn
D542221 May 8, 2007 Hriscu et al.
D554584 November 6, 2007 Feldman et al.
D561687 February 12, 2008 Sween et al.
D654852 February 28, 2012 Hansen
Patent History
Patent number: D667788
Type: Grant
Filed: Mar 9, 2012
Date of Patent: Sep 25, 2012
Inventor: Huabin Mai (Guangdong)
Primary Examiner: Derrick Holland
Attorney: Global IP Services
Application Number: 29/415,332
Classifications
Current U.S. Class: Transformer, Rectifier Or Casing Therefor (3) (D13/110)