Head for electric toothbrush

FIG. 1 is a perspective view of a first embodiment of a head for electric toothbrush;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right-side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIGS. 8 and 9 are enlarged fragmental perspective views thereof.

FIG. 10 is a perspective view of a second embodiment of a head for electric toothbrush;

FIG. 11 is a front elevation view thereof;

FIG. 12 is a right-side elevation view thereof;

FIG. 13 is a rear elevation view thereof;

FIG. 14 is a left-side elevation view thereof;

FIG. 15 is a top plan view thereof;

FIG. 16 is a bottom plan view thereof;

FIG. 17 is an enlarged fragmental perspective view thereof.

FIG. 18 is a perspective view of a third embodiment of a head for electric toothbrush;

FIG. 19 is a front elevation view thereof;

FIG. 20 is a right-side elevation view thereof;

FIG. 21 is a rear elevation view thereof;

FIG. 22 is a left-side elevation view thereof;

FIG. 23 is a top plan view thereof;

FIG. 24 is a bottom plan view thereof;

FIG. 25 is an enlarged fragmental perspective view thereof.

FIG. 26 is a perspective view of a fourth embodiment of a head for electric toothbrush;

FIG. 27 is a front elevation view thereof;

FIG. 28 is a right-side elevation view thereof;

FIG. 29 is a rear elevation view thereof;

FIG. 30 is a left-side elevation view thereof;

FIG. 31 is a top plan view thereof;

FIG. 32 is a bottom plan view thereof; and,

FIG. 33 is an enlarged fragmental perspective view thereof.

Broken lines are used in the drawings to designate environmental structures or parts of the head of the electric toothbrush that form no part of the claim.