Check valve

Abstract

Description

FIG. 1 is an isometric view of the claimed design.

FIG. 2 is a front view of the claimed design.

FIG. 3 is a right side view of the claimed design.

FIG. 4 is a left side view of the claimed design.

FIG. 5 is a rear view of the claimed design.

FIG. 6 is a top view of the claimed design; and,

FIG. 7 is a bottom view of the claimed design.

The broken lines showing the pattern along the circumference of the surface on the rear view of the check valve form no part of the claimed design.

Claims

The ornamental design for a check valve, as shown and described.