Lamp Base

FIG. 1 is a top perspective view of a lamp base, showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a top perspective view of a lamp base in a position of use with broken line environment.

The broken lines show portions of the lamp base that form no part of the claimed design in FIGS. 1 , 6 , 7 , and 9 . The broken lines also show environmental subject matter that form no part of the claimed design in FIG. 9 .