Spring for Pump

FIG. 1 is a perspective view of a spring for pump showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a cross-sectional view of the spring for pump taken along the line 8 - 8 in FIG. 6 ; and,

FIG. 9 is another cross-sectional view thereof in an environment of use.

The broken lines in the figures illustrate the portions of the design that form no part of the claimed design.