Furnace End

FIG. 1 is a first perspective view of a furnace end showing my new design; FIG. 2 is a second perspective view thereof; FIG. 3 is a front view thereof; FIG. 4 is a back view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a top view thereof; FIG. 8 is a bottom view thereof; and, FIG. 9 is an enlarged view of the selected portion 9 in FIG. 1 . The evenly spaced broken lines depict portions of the furnace end that form no part of the claim. The long-dash short-dash broken lines denote the boundaries of the area of detail and form no part of the claimed design.