Double hung mainframe extrusion for windows

Description

FIG. 1 is an isometric front view of a double hung mainframe extrusion for windows showing my new design.

FIG. 2 is a top view of the double hung mainframe extrusion for windows of FIG. 1.

FIG. 3 is a bottom view of the double hung mainframe extrusion for windows of FIG. 1.

FIG. 4 is a front view of the double hung mainframe extrusion for windows of FIG. 1.

FIG. 5 is a rear view of the double hung mainframe extrusion for windows of FIG. 1.

FIG. 6 is a left side view of the double hung mainframe extrusion for windows of FIG. 1; and,

FIG. 7 is a right side view of the double hung mainframe extrusion for windows of FIG. 1.

The double hung mainframe extrusion for windows is shown with a symbolic break in its length. The appearance of any portion of the double hung mainframe extrusion for windows between the break lines forms no part of the claimed design.

Claims

The ornamental design for a double hung mainframe extrusion for windows, as shown and described.