The ornamental design for a closure, as shown and described.
FIG. 1 is a front perspective view of a closure showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is an enlarged view of the exterior peripheral shape of the closure knurls within the 45° section shown in dot-dash lines in FIG. 2;
FIG. 4 is a side elevation view, the opposite side being a mirror image; and,
FIG. 5 is a cross-sectional side elevation view taken along section line 5-5 of FIG. 2 to illustrate the exterior peripheral shape of the article at the cross-section and with the interior construction details being illustrated in broken lines and not forming any part of the claimed design.
The broken lines in the drawings represent environmental subject matter and form no part of the claimed design. The bottom unornamented surface is unclaimed.