The ornamental design for a truck/cab window cleaning apparatus, as shown and described.
FIG. 1 is a perspective view of a truck/cab window cleaning apparatus having an enlarged end for receiving a replaceable cleaning mitt or covering with a hand grip at the outer end and a squeegee portion at an opposite end of the handle with a hand grip at the outer end embodying the ornamental design according to the present invention;
FIG. 2 is a plan view of the truck/cab window cleaning apparatus according to the present invention as illustrated in FIG. 1;
FIG. 3 is a reduced side elevational view of the truck/cab window cleaning apparatus according to the present invention as illustrated in FIGS. 1 and 2;
FIG. 4. is an end elevational view of the truck/cab window cleaning apparatus according to the present invention as illustrated in FIGS. 1-3; and,
FIG. 5 is bottom view of the truck/cab window cleaning apparatus according to the present invention as illustrated in FIGS. 1-4.