FIG. 1 is a front elevational view of an electric desk showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a perspective view of an electric desk showing my new design;
FIG. 8 is the second perspective view thereof;
FIG. 9 is the third perspective view thereof;
FIG. 10 is a partial enlarged view of FIG. 1;
FIG. 11 is a partial enlarged view of FIG. 2;
FIG. 12 is a partial enlarged view of FIG. 4;
FIG. 13 is a partial enlarged view of FIG. 6;
FIG. 14 is a partial enlarged view of FIG. 6;
FIG. 15 is a partial enlarged view of FIG. 8;
FIG. 16 is a partial enlarged view of FIG. 8;
FIG. 17 is a partial enlarged view of FIG. 9;
FIG. 18 is a partial enlarged view of FIG. 9;
FIG. 19 is a partial enlarged view of FIG. 9; and,
FIG. 20 is a partial enlarged view of FIG. 9.
The broken lines in the figures are for the purpose of illustrating portions of the electric desk, which form no part of the claimed design. The additional broken lines in the figures are demarcating enlarged areas and form no part of the claimed design.