Power extension device

The ornamental design for a power extension device, as shown and described.

FIG. 1 is a perspective view of a first embodiment of an ornamental design of a power extension device.

FIG. 2 is a rear view of the first embodiment of an ornamental design of a power extension device.

FIG. 3 is a front view of the first embodiment of an ornamental design of a power extension device.

FIG. 4 is a left side view of the first embodiment of an ornamental design of a power extension device.

FIG. 5 is a right side view of the first embodiment of an ornamental design of a power extension device.

FIG. 6 is a top view of the first embodiment of an ornamental design of a power extension device.

FIG. 7 is a bottom view of the first embodiment of an ornamental design of a power extension device.

FIG. 8 is a perspective view of a second embodiment of an ornamental design of a power extension device.

FIG. 9 is a rear view of the second embodiment of an ornamental design of a power extension device.

FIG. 10 is a front view of the second embodiment of an ornamental design of a power extension device.

FIG. 11 is a left side view of the second embodiment of an ornamental design of a power extension device.

FIG. 12 is a right side view of the second embodiment of an ornamental design of a power extension device.

FIG. 13 is a top view of the second embodiment of an ornamental design of a power extension device; and,

FIG. 14 is a bottom view of the second embodiment of an ornamental design of a power extension device.

The broken lines in the drawings depict boundaries of the claim and form no part thereof.

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Nov 29 2012		Belpower Systems, LLC	(assignment on the face of the patent)
Dec 03 2012	CHURA, WILLIAM D	Belpower Systems, LLC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	029828	0892	pdf
Dec 03 2012	WAKEFIELD, SCOTT H	Belpower Systems, LLC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	029828	0892	pdf
Jan 17 2013	BELDOCK, DONALD T	Belpower Systems, LLC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	029828	0892	pdf
Feb 13 2013	BELDOCK, GWEN	Belpower Systems, LLC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	029828	0892	pdf

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