The ornamental design for a lampassembly, as shown and described.
FIG. 1 is a perspective view of a lamp assembly showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a perspective view of the lamp assembly in an alternate configuration of use, shown in an environment of use.
The lamp assembly is shown with symbolic breaks in its length and the appearance of any portion of the lamps between the break lines form no part of the claimed design. The broken lines are for environmental purposes only and form no part of the claimed design.