Retractable knife

Abstract

Claims

The ornamental design for a retractable knife, as shown and described.

Description

(1) FIG. 1 is a side elevation view of the retractable knife of my design, showing a blade of the retractable knife in a storage position.

(2) FIG. 2 is a side elevation view of the retractable knife, showing the blade of the retractable knife in an intermediate position.

(3) FIG. 3 is a side elevation view of the retractable knife, showing the blade of the retractable knife in a use position; and,

(4) FIG. 4 is an exploded perspective view of the retractable knife.

(5) The broken lines shown in the drawings depict portions of the retractable knife that form no part of the claim.