Patent
   D255112
Priority
Oct 16 1978
Filed
Oct 16 1978
Issued
May 27 1980
Expiry
May 27 1994
Assg.orig
Entity
unknown
15
3
n/a
The ornamental design of an engine exhaust header pipe unit, as shown.

FIG. 1 is a top plan view of an engine exhaust header pipe unit showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof in inverted position;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof; and

FIG. 6 is a right side elevational view thereof.

Alexander, Steven B.

Patent Priority Assignee Title
6247305, Oct 07 1999 Motorcycle exhaust system
6463641, Oct 07 1999 Motorcycle exhaust system
6637537, Feb 23 2001 Dual stack exhaust system
6889499, May 16 2001 Internal combustion engine exhaust system
7426980, May 16 2001 Darryl C., Bassani Internal combustion engine exhaust system
D289766, Jul 23 1984 Combined manifold cowling and exhaust piping
D291576, Feb 04 1985 Teledyne Technologies Incorporated Exhaust manifold
D340933, Jan 17 1991 Husqvarna Forest & Garden AB Inlet manifold
D385523, Feb 09 1996 Exhaust pipe system for motorcycle
D399467, Jan 23 1998 Two Brothers Racing, Inc. Exhaust system for motorcycle
D414452, Oct 19 1998 Exhaust pipe
D435498, Aug 09 1999 Motorcycle exhaust system
D445074, Oct 25 1999 Exhaust system for a motorcycle
D891605, May 05 2017 Flare stack
D918375, May 05 2017 Flare stack
Patent Priority Assignee Title
2175438,
4013049, Aug 28 1975 Manifold apparatus for multi-cylinder motorcycle engines
DE2311636,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 16 1978American Turbo-Pak, Inc.(assignment on the face of the patent)
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