Eight-sided exhaust stack

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

FIG. 1 is a perspective view thereof,

FIG. 2 is a front side view thereof,

FIG. 3 is a back side view thereof,

FIG. 4 is a top side view thereof,

FIG. 5 is a bottom side view thereof,

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

Patent	Priority	Assignee	Title
D816579,	May 09 2016	HARVEY, ANDRE A	Combined hollow paddle wheel shaft with paddle
D882473,	Sep 14 2018	Ben, Mottern	Exhaust pipe
ER1169,

Patent	Priority	Assignee	Title
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D709012,	Oct 01 2013		Hexagonal exhaust stack for transportation vehicle

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