Patent
   D254904
Priority
Jan 30 1978
Filed
Jan 30 1978
Issued
May 06 1980
Expiry
May 06 1994
Assg.orig
Entity
unknown
13
9
n/a
The ornamental design for an exhaust stack, as shown.

FIG. 1 is a perspective view of an exhaust stack showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left end elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a right end elevation view thereof;

FIG. 7 is a front elevation view thereof; and

FIG. 8 is a cross-sectional view of FIG. 3 along section lines 8--8.

Swearingen, Edward J.

Patent Priority Assignee Title
7779961, Nov 20 2006 VOLVO GROUP CANADA INC Exhaust gas diffuser
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D465444, Feb 15 2001 Automobile muffler tip
D556659, Oct 31 2005 DR ING H C F PORSCHE AKTIENGESELLSCHAFT External exhaust arrangement for a vehicle
D558111, Nov 10 2005 Exhaust pipe tip for a vehicle
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D687754, Mar 20 2012 Teardrop stack for transportation vehicle
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D734229, Jan 21 2014 NELSON GLOBAL PRODUCTS, INC ; WATER WORKS MANUFACTURING, INC Gaseous diluter
D836050, Aug 29 2016 NELSON GLOBAL PRODUCTS, INC Gaseous diluter
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