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Patent
   D581335
Priority
May 02 2007
Filed
May 02 2007
Issued
Nov 25 2008
Expiry
Nov 25 2022
Inventors
Contreras,…
Assg.orig
Manuel P.,…
Assg.curr
ADVANCE WE…
Entity
unknown
Referenced by
5
References
5
Maint.:
n/a
The ornamental design for a split flow muffler, as shown and described.

FIG. 1 is a left side elevation view of the split flow muffler showing my new design, the right side being a mirror image

FIG. 2 is a top plan view thereof,

FIG. 3 is an enlarged perspective view thereof;

FIG. 4 is an enlarged right side elevation view thereof; and,

FIG. 5 is perspective elevation view thereof.
INVENTORS:

Contreras, Manuel Preciado

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
10532631, Mar 29 2017 Ford Global Technologies, LLC Acoustic air duct and air extraction system including a plurality of channels having an expansion chamber
10823023, Dec 27 2017 Selective acoustic soundproofing device
7770690, May 07 2004 DR ING H C F PORSCHE AKTIENGESELLSCHAFT Double-flow exhaust system for an internal-combustion engine
D612784, Jul 08 2009 Resonance chamber disposed about a conduit contour of an emission system
D613223, Jul 08 2009 Resonance chamber axially disposed on an emission system conduit
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3670844,
3776364,
226905,
D406089, Dec 03 1997 BURNS STAINLESS Exhaust collector
D528488, Nov 25 2005 Motorcycle exhaust pipe
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 02 2007Manuel P., Contreas(assignment on the face of the patent)
Dec 27 2009CONTRERAS, MANUEL PADVANCE WEST INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0239630213 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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