The ornamental design for a protectiveaccessorysleeve, as shown and described.
FIG. 1 is a top, front, right perspective view of the protective accessory sleeve showing my new design;
FIG. 2 is a top, front, right perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken line showing of a tie in FIG. 1 is included for the purpose of illustrating environmental structure and forms no part of the claimed design. The dot dash broken lines in FIGS. 1-8 represent unclaimed boundary lines and form no part of the claimed design.