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The ornamental design for a sleeping bag, as shown and described. |
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FIG. 1 is a top plan view of a sleeping bag showing my new design;
FIG. 2 is a bottom plan view;
FIG. 3 is a rear elevational view;
FIG. 4 is a left side elevational view;
FIG. 5 is a right side elevational view; and
FIG. 6 is a front elevational view.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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