I claim the ornamental design for a panel, as shown and described.
A portion of the disclosure of this patent document contains material to which a claim for copyright is made. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure as it appears in the Patent and Trademark Office patent file or records, but reserves all other copyright rights whatsoever.
FIG. 1 is a perspective view of a panel;
FIG. 2 is a front view in elevation of the panel of FIG. 1 showing a repeat pattern in dotted lines;
FIG. 3 is a rear view in elevation of the panel of FIG. 1;
FIG. 4 is a left end view in elevation of the panel of FIG. 1;
FIG. 5 is a right end view in elevation of the panel of FIG. 1;
FIG. 6 is a top view of the panel of FIG. 1; and,
FIG. 7 is a bottom view of the panel of FIG. 1.
The broken lines indicate a repeating pattern unit in a panel and are for illustrative purposes only, forming no part of the claimed design.