Exhaust stack

Description

FIG. 1 is a perspective view of an exhaust stack according to a first embodiment of the invention;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a first cross-sectional view thereof, taken along line 9-9 in FIG. 3; and,

FIG. 10 is a second cross-sectional view thereof, taken along line 10-10 in FIG. 3.

FIG. 11 is a perspective view of an exhaust stack according to a second embodiment of the invention;

FIG. 12 is a second perspective view thereof;

FIG. 13 is a front view thereof;

FIG. 14 is a rear view thereof;

FIG. 15 is a left view thereof;

FIG. 16 is a right view thereof;

FIG. 17 is a top view thereof;

FIG. 18 is a bottom view thereof;

FIG. 19 is a first cross-sectional view thereof, taken along line 19-19 in FIG. 13; and,

FIG. 20 is a second cross-sectional view thereof, taken along line 20-20 in FIG. 13.

The broken line portion of the figures is included to show unclaimed subject matter only and forms no part of the claimed designs.

Claims

The ornamental design for an exhaust stack, as shown and described.