Screw and nut

Abstract

Claims

The ornamental design for a screw and nut, as shown and described.

Description

(1) FIG. 1 discloses a top perspective view of a screw and nut of my new design;

(2) FIG. 2 discloses an elevational view thereof;

(3) FIG. 3 discloses a top plan view thereof; and,

(4) FIG. 4 discloses a bottom plan view thereof.

(5) The portions of the design shown in broken lines show unclaimed subject matter.