FIG. 1 is a top perspective view of a first embodiment of a cleaning indicator;
FIG. 2 is a bottom perspective view of the cleaning indicator of FIG. 1;
FIG. 3 is a top view of the cleaning indicator of FIG. 1;
FIG. 4 is a bottom view of the cleaning indicator of FIG. 1;
FIG. 5 is a first side view of the cleaning indicator of FIG. 1;
FIG. 6 is a second side view of the cleaning indicator of FIG. 1;
FIG. 7 is a first end view of the cleaning indicator of FIG. 1;
FIG. 8 is a second end view of the cleaning indicator of FIG. 1;
FIG. 9 is a top perspective view of a second embodiment of a cleaning indicator;
FIG. 10 is a bottom perspective view of the cleaning indicator of FIG. 9;
FIG. 11 is a top view of the cleaning indicator of FIG. 9;
FIG. 12 is a bottom view of the cleaning indicator of FIG. 9;
FIG. 13 is a first side view of the cleaning indicator of FIG. 9;
FIG. 14 is a second side view of the cleaning indicator of FIG. 9;
FIG. 15 is a first end view of the cleaning indicator of FIG. 9; and,
FIG. 16 is a second end view of the cleaning indicator of FIG. 9.
The broken lines in FIGS. 1, 3, 9-14 represent environmental subject matter and form no part of the claimed design. The broken lines in FIGS. 5 and 6 illustrate portions of the cleaning indicator that form no part of the claimed design.