The ornamental design for an electric vacuumcleaner, as shown and described.
FIG. 1 is a front perspective view of an electric vacuum cleaner in accordance with our new design;
FIG. 2 is a rear perspective view of the electric vacuum cleaner in accordance with our new design;
FIG. 3 is a front elevational view of the electric vacuum cleaner in accordance with our new design;
FIG. 4 is a rear elevational view of the electric vacuum cleaner in accordance with our new design;
FIG. 5 is a top plan view of the electric vacuum cleaner in accordance with our new design;
FIG. 6 is a bottom plan view of the electric vacuum cleaner in accordance with our new design;
FIG. 7 is a right side elevational view of the electric vacuum cleaner in accordance with our new design;
FIG. 8 is a left side elevational view of the electric vacuum cleaner in accordance with our new design; and,
FIG. 9 is a front perspective view showing a state in which a battery and a nozzle are attached to the electric vacuum cleaner in accordance with our new design.
The broken line showing of the battery and nozzle in FIG. 9 is for the purpose of illustrating environment and forms no part of the claimed design. All other broken lines show portions of the electric vacuum cleaner that form no part of the claimed design.