Heater

FIG. 1 is a front, left, top perspective view of a heater, showing my new design;

FIG. 2 is a rear, right, bottom 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 view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged detail view of area 9 circumscribed in FIG. 3 ;

FIG. 10 is an enlarged detail view of area 10 circumscribed in FIG. 5 ; and,

FIG. 11 is an enlarged detail view of area 11 circumscribed in FIG. 5 .

The evenly spaced broken lines depict portions of the heater that form no part of the claim.

The dash-dot-dash broken lines denote the boundaries of the enlarged detail view areas and form no part of the claimed design.