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The ornamental design for a cat litter box, as shown and described. |
FIG. 1 is a top-plan view of a cat litter box, showing my new design;
FIG. 2 is a side-elevational view thereof;
FIG 3 is a bottom-plan view thereof;
FIG. 4 is an end-elevational view thereof;
FIG. 5 is a cross-sectional view taken along line 5--5 of FIG. 1;
FIG. 6 is a top-plan view of a modified form of the cat litter box shown in FIG. 1;
FIG. 7 is a side-elevational view of FIG. 6;
FIG. 8 is a bottom-plan view of FIG. 6; and
FIG. 9 is a cross-sectional view taken along line 9--9 of FIG. 6.
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