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Patent
   D542580
Priority
Mar 03 2004
Filed
Feb 28 2006
Issued
May 15 2007
Expiry
May 15 2021

TERM.DISCL.
Inventors
Heidmann, …
Assg.orig
Steelcase …
Assg.curr
Steelcase …
Entity
unknown
Referenced by
30
References
10
Maint.:
n/a
We claim the ornamental design for a backrest, as shown and described.

FIG. 1 is a front perspective view of a backrest embodying the present invention; and,

FIGS. 2-6 are a right, front, rear, top, and bottom views of the backrest in FIG. 1, the left side being a mirror image of the right side in FIG. 2.
INVENTORS:

Heidmann, Kurt R., Smith, Bruce M., Loew, Glen Oliver

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
10016060, Sep 20 2007 MILLERKNOLL, INC Load support structure
10820706, Sep 20 2007 MILLERKNOLL, INC Load support structure
10856662, Sep 02 2007 MILLERKNOLL, INC Load support structure
10874220, Jan 16 2015 MILLERKNOLL, INC Zoned suspension seating structure
11330905, Sep 20 2007 MILLERKNOLL, INC Load support structure
11825957, Jan 16 2015 MILLERKNOLL, INC Zoned suspension seating structure
7926879, Sep 20 2007 MILLERKNOLL, INC Load support structure
7992936, Mar 24 2006 MILLERKNOLL, INC Seat
8282169, Sep 20 2007 MILLERKNOLL, INC Load support structure
8282172, Mar 24 2006 MILLERKNOLL, INC Seat
8414073, Mar 24 2006 MILLERKNOLL, INC Seating arrangement
8967726, Sep 20 2007 MILLERKNOLL, INC Load support structure
9668580, Sep 20 2007 MILLERKNOLL, INC Load support structure
D572509, Jan 25 2006 Flokk AB Chair back
D586594, Jan 25 2006 Flokk AB Chair back
D591986, Sep 21 2007 MILLERKNOLL, INC Body support structure
D628831, Sep 21 2007 MILLERKNOLL, INC Body support structure
D628832, Sep 21 2007 MILLERKNOLL, INC Body support structure
D641998, Aug 26 2010 LIVING STYLE B V I LTD Office chair
D642000, Aug 26 2010 LIVING STYLE B V I LTD Chair back
D653871, Aug 03 2009 Skeie AS Chair
D659417, Jun 04 2010 MILLERKNOLL, INC Chair and components thereof
D703987, Jun 07 2013 Steelcase Inc Chair
D703988, Jun 07 2013 Steelcase Inc Chair
D704487, Jun 07 2013 Steelcase Inc Chair
D706547, Jun 07 2013 Steelcase Inc Chair
D707976, Jun 07 2013 Steelcase Inc Chair
D792120, Jul 24 2015 Chair
D792717, Jul 24 2015 Chair
D793112, Jul 24 2015 Chair
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
20040051358,
20040245827,
20040245839,
20050029848,
D444309, Nov 08 1999 Okamura Corporation Chair
D476493, Nov 01 2000 Okamura Corporation Chair
D477469, Apr 12 2001 Senator International Limited Chair
D499895, Jan 30 2004 HNI TECHNOLOGIES INC Swivel chair
D509671, Jan 30 2004 HNI TECHNOLOGIES INC Armless chair
D509969, Sep 05 2003 Steelcase Inc Seating unit
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 28 2006Steelcase Development Corporation(assignment on the face of the patent)
Oct 17 2007Steelcase Development CorporationSteelcase IncMERGER SEE DOCUMENT FOR DETAILS 0203530054 pdf
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