Writing instrument refill

Abstract

Description

FIG. 1 is a perspective view showing our new design for a writing instrument refill;

FIG. 2 is an elevational view of the writing instrument refill of FIG. 1;

FIG. 3 is a top plan view of the writing instrument refill of FIG. 1; and,

FIG. 4 is a bottom plan of the writing instrument refill of FIG. 1.

The dashed lines are of illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for a writing instrument refill, as shown and described.