Sleeping bag

The ornamental design for a sleeping bag, as shown and described.

FIG. 1 is a top plan view of a sleeping bag showing my new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a front elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a right side elevational view; and

FIG. 6 is a rear elevational view.

Patent	Priority	Assignee	Title
7987536,	Oct 26 2010	Target Brands, Inc.	Animal-themed sleep system
D390686,	Dec 13 1996		Sleeping bag
D399988,	Aug 20 1997	Lisa Frank, Inc.	Packaged sleeping bag
D745791,	Sep 05 2013		Blanket with straps and closures configurable into different shapes for different uses

Patent	Priority	Assignee	Title
3959834,	May 21 1973	Alpine Designs, Inc.	Sleeping bag construction
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214232,
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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Jan 09 1978		Marsupium, Inc.	(assignment on the face of the patent)

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