FIG. 1 is a front-right side perspective view of a mattress with base accessory in accordance with a first embodiment of my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a flat, unattached view of the base accessory of FIG. 1; the mattress and frame shown removed for ease of illustration;
FIG. 9 is a front-right side perspective view of the base accessory; the mattress and frame shown removed for ease of illustration;
FIG. 10 is a front-right side perspective view of the base accessory of FIG. 1, showing the frame attached; the mattress shown removed for ease of illustration;
FIG. 11 is a front-right side perspective view of the mattress with base accessory of FIG. 1;
FIG. 12 is a front-right side perspective view of a mattress with base accessory in accordance with a second embodiment of the design;
FIG. 13 is a front view thereof;
FIG. 14 is a back view thereof;
FIG. 15 is a right side view thereof;
FIG. 16 is a left side view thereof;
FIG. 17 is a top view thereof;
FIG. 18 is a bottom view thereof;
FIG. 19 is a flat, unattached view of the base accessory of FIG. 12; the mattress and frame shown removed for ease of illustration;
FIG. 20 is a front-right side perspective view of the mattress with base accessory of FIG. 12; the mattress and frame shown removed for ease of illustration;
FIG. 21 is a front-right side perspective view of the base accessory of FIG. 12, showing the frame attached; the mattress shown removed for ease of illustration; and,
FIG. 22 is a front-right side perspective view thereof.
The broken lines illustrate environmental structure and the portions of the design that form no part of the claimed design. In addition, the surface shading, if any, illustrated in the drawings is provided merely to highlight the contour of the design; it is not intended to be illustrative of texture or gloss.