Mattress

USD1148409SActive Publication Date: 2026-09-22CHEN LIGUO

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[0001] FIG. 1 is a perspective view of a mattress showing my new design;

[0002] FIG. 2 is another perspective view thereof;

[0003] FIG. 3 is a front elevational view thereof;

[0004] FIG. 4 is a rear elevational view thereof;

[0005] FIG. 5 is a left side elevational view thereof;

[0006] FIG. 6 is a right side elevational view thereof;

[0007] FIG. 7 is a top plan view thereof; and,

[0008] FIG. 8 is a bottom plan view thereof.

The ornamental design for a mattress as shown and described.