Claims (1)
The ornamental design for a sleep mask, as shown and described.
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FIG. 1 illustrates a perspective backside view of a sleep mask;
FIG. 2 illustrates a perspective front side view thereof; and,
FIG. 3 illustrates a perspective overview thereof with a broken line illustration of a user wearing said sleep mask.
Hook-and-loop fasteners are shown on both ends of the mask. It is understood in the art that the pattern illustrates represents a component of the hook-and-loop fasteners.
The broken lines shown in the FIG. 2 - 3 drawing are included for the purpose of illustrating environment when the sleep mask is in use and form no part of the claimed design. The dash-dot lines appearing in FIG. 3 drawing represent an unclaimed boundary and forms no part of the claimed design.
Citations
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