The ornamental design for an interlocking jugassembly, as shown and described.
FIG. 1 is an elevational side view of the top and two sides of an ornamental design for an interlocking jug assembly;
FIG. 2 is a side view of the interlocking jug assembly of FIG. 1;
FIG. 3 is a different side view of the interlocking jug assembly of FIG. 1;
FIG. 4 is still another side view of the interlocking jug assembly of FIG. 1;
FIG. 5 is yet another side view of the interlocking jug assembly of FIG. 1;
FIG. 6 is a top view of the interlocking jug assembly of FIG. 1; and,
FIG. 7 is a bottom view of the interlocking jug assembly of FIG. 1.
The dash-dash-dash lines illustrate unclaimed subject matter and form no part of the claimed design. The oblique shade lines represent transparent or translucent surfaces.