Center portion of fluid cylinder for pump

This application is related to U.S. Design application Ser. No. 29/419,417, filed Apr. 27, 2012, the entire disclosure of which is incorporated herein by reference.

FIG. 1 is a perspective view of a center portion of a fluid cylinder for a pump showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a left side elevational view thereof; and,

FIG. 9 is a perspective view thereof that is identical to FIG. 1 , but for the depiction in broken lines of unclaimed environmental structure that is different than the unclaimed environmental structure depicted in broken lines in FIGS. 1 through 8 .

The broken lines in FIGS. 1 through 9 form no part of the claimed design. The areas encircled by broken lines in FIGS. 1 through 9 are unclaimed areas and form no part of the claimed design.