The ornamental design for a miterbar, as shown and described.
FIG. 1 is a front, top, left side isometric perspective view of a miter bar in accordance with my design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevation view thereof; and,
FIG. 7 is a right side elevation view thereof.
The broken lines illustrate portions of the miter bar which form no part of the claimed design.
The “dash-dot” broken lines in FIGS. 1-5 are meant to show a symbolic break in the claimed design. Any portion which appears between the symbolic break lines forms no part of the claimed design.