We claim, an ornamental design for a channel marker, as shown and described.
FIG. 1 is a top perspective view of a channel marker, showing our design in another embodiment;
FIG. 2 is a bottom perspective view of the embodiment of FIG. 1;
FIG. 3 is a front elevation view of the embodiment of FIG. 1;
FIG. 4 is a rear elevation view of the embodiment of FIG. 1;
FIG. 5 is a left side elevation view of the embodiment of FIG. 1;
FIG. 6 is a right side elevation view of the embodiment of FIG. 1;
FIG. 7 is a top plan view of the embodiment of FIG. 1; and,
FIG. 8 is a bottom plan view of the embodiment of FIG. 1.
References to “top,” “bottom,” “front,” “rear,” “right,” and “left” in the Figure Descriptions are not meant to require any specific orientation of the article as viewed.
The dashed lines shown in the drawings represent portions of the article that form no part of the claimed design and are intended to delimit subject matter from unclaimed subject matter.
The body of the channel marker is shown with a symbolic break in its length and width. The appearance of any portion of the article between the break lines forms no part of the claimed design.