Patent
   D476407
Priority
May 22 2002
Filed
May 22 2002
Issued
Jun 24 2003
Expiry
Jun 24 2017
Assg.orig
Entity
unknown
18
7
n/a
The ornamental design for a damper for round duct, as shown and described.

FIG. 1 is a perspective view of a first embodiment of the damper for round duct showing my new design.

FIG. 2 is a top plan view of the damper for round duct of FIG. 1.

FIG. 3 is an end view of FIG. 2.

FIG. 4 is a perspective view of a second embodiment for a damper for round duct showing my new design.

FIG. 5 is a top plan view of the damper for round duct of FIG. 4.

FIG. 6 is a front elevation view of FIG. 5.

FIG. 7 is a right side view of FIG. 5; the left side being a mirror image thereof.

FIG. 8 is a rear view of FIG. 5.

FIG. 9 is a bottom plan view of FIG. 5.

FIG. 10 is a perspective view of a third embodiment for a damper for round duct showing my new design.

FIG. 11 is a top plan view of the damper for round duct of FIG. 10.

FIG. 12 is a front elevation view of FIG. 11.

FIG. 13 is a right side view of FIG. 11; the left side being a mirror image thereof.

FIG. 14 is a rear view of FIG. 11.

FIG. 15 is a bottom plan view of FIG. 11.

FIG. 16 is a perspective view of a fourth embodiment for a damper for round duct showing my new design.

FIG. 17 is a top plan view of the damper for round duct of FIG. 16.

FIG. 18 is a front elevation view of FIG. 17.

FIG. 19 is a right side view of FIG. 17; the left side being a mirror image thereof.

FIG. 20 is a rear view of FIG. 17.

FIG. 21 is a bottom plan view of FIG. 17.

FIG. 22 is a perspective view of a fifth embodiment for a damper for round duct showing my new design.

FIG. 23 is a top plan view of the damper for round duct of FIG. 22.

FIG. 24 is a front elevation view of FIG. 23.

FIG. 25 is a right side view of FIG. 23; the left side being a mirror image thereof.

FIG. 26 is a rear view of FIG. 23; and,

FIG. 27 is a bottom plan view of FIG. 23.

The dashed lines form no part of the claimed invention.

Snyder, Darryl L.

Patent Priority Assignee Title
10197291, Jun 04 2015 TROPITONE FURNITURE CO., INC. Fire burner
D634419, Sep 02 2010 Streivor Air Systems, Inc.; STREIVOR AIR SYSTEMS, INC Internally adjustable damper
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Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 16 2002SNYDER, DARRYL L Snyder National CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129360760 pdf
May 22 2002Snyder National Corporation(assignment on the face of the patent)
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