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.