The ornamental design for a combinedcabinetsoffit and plate support unit, as shown and described.
FIG. 1 is a perspective view of a combined cabinet soffit and plate support
unit showing my design; and
FIG. 2 is a sectional view taken along the lines 2--2 of FIG. 1 and showing
in greater detail the relationship between the plate rails and the soffit
portions.
The dot-dash lines are for illustrative purposes only.