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Patent
   D600952
Priority
May 26 2008
Filed
Mar 23 2009
Issued
Sep 29 2009
Expiry
Sep 29 2023
Inventors
Smith, Bru…
Assg.orig
Steelcase …
Assg.curr
Steelcase …
Entity
unknown
Referenced by
6
References
58
Maint.:
n/a
We claim the ornamental design for a chair back, as shown and described.

FIG. 1 is a front perspective view of a chair back according to the new design; and,

FIG. 2 is a rear perspective view of a chair back shown in FIG. 1.

In the drawings, the broken lines form no part of the claimed design.
INVENTORS:

Smith, Bruce, Ludwig, James, Pearson, Luke, Lloyd, Tom, Carpenter, Nick

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D612642, Jan 16 2009 ERGOCENTRIC INC Airflow seating
D696055, May 26 2009 STEELCASE, INC Chair back
D696545, May 26 2009 STEELCASE, INC Rear surface of a chair back
D696546, May 26 2009 STEELCASE, INC Chair back
D869213, Feb 02 2016 OFFICE MASTER INC Office chair
D895313, Sep 29 2017 Okamura Corporation Chair
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2530924,
2798538,
2843195,
2893476,
3202734,
3669499,
4744603, Apr 10 1986 STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN Chair shell with selective back stiffening
4776633, Apr 10 1986 STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN Integrated chair and control
5040847, Nov 02 1989 Chair and method for constructing a chair
5102196, Oct 24 1988 KOKUYO CO , LTD A CORPORATION OF JAPAN; TAKANO CO , LTD A CORPORATION OF JAPAN Chair provided with a backrest
5333934, Apr 10 1986 STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN Back shell with selective stiffening
5352022, Apr 10 1986 STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN Controlled deflection front lip for seating
5366273, Feb 11 1992 Chair or the like
538708,
5487591, Apr 10 1986 STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN Back shell with selective stiffening
5577811, Jun 07 1995 Hon Industries Inc. Ergonomic chair
5611598, Apr 10 1986 STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN Chair having back shell with selective stiffening
5664835, Mar 25 1994 F -MARTIN STEIFENSAND BUEROMOEBEL GMBH Chair
5683142, Jun 20 1996 Krueger International, Inc. Mounting assembly for chair back
5938284, Jul 19 1996 Cascade Engineering, Inc.; CASCADE ENGINEERING, INC Seat bolster adjustment assembly
6019428, Jul 19 1996 Cascade Engineering Seat bolster adjustment assembly
6027171, Nov 27 1995 Lear Corporation Automotive modular seat frame assembly
6186594, Apr 07 1998 Corporation de l'Ecole Polytechnique Flexible contour wheelchair backrest
6378942, Jun 20 2000 Global Total Office Backrest with adjustable lumbar support
6386638, May 27 1999 TCG Unitech Aktiengesellschaft Seat back for a vehicle
6419318, Apr 11 2000 GROUPE LACASSE LLC Chair having an adjustable lumbar mechanism
6523898, Jun 17 1999 Steelcase Development Corporation Chair construction
6688687, Jun 20 2000 Global Total Office Backrest with adjustable lumbar support
6698833, Jun 17 1999 Steelcase Inc Chair construction
6712427, Nov 24 1999 Schukra-Geratebau GesmbH Lumbar support member
6755467, Jun 20 2000 Global Total Office Conformable backrest for a chair
6913315, Jun 17 1999 Steelcase Inc Chair construction
6969115, Nov 24 1999 Schukra Geratebau AG Lumbar support member
6971717, Jun 17 2004 IWI Ltd. Backrest
7032971, Mar 14 2001 Seat backs
7097247, Jun 05 2003 Steelcase Inc Seating unit with adjustable lumbar device
7128373, Sep 27 2002 TRINSEO EUROPE GMBH Seating system and method of forming same
7131694, Apr 29 2005 Adjustable lumbar support for vehicle seat
7216933, Feb 21 2004 SANDER, ARMIN Backrest, particularly for an office chair
20050093354,
20070057548,
20070057549,
164204,
194740,
D319354, Oct 27 1987 Seat
D330292, Nov 02 1989 Arm chair
D332530, Nov 02 1989 Chair
D341265, Nov 25 1991 BANK OF AMERICA, N A Cafe chair
D344191, Sep 24 1990 BANK OF AMERICA, N A Dining chair
D345656, May 20 1992 Chair
D360538, Mar 01 1994 Victor Stanley, Inc. Bench
D413452, Oct 26 1998 Euro United Corporation Chair with straight slats on back
D420824, Apr 22 1999 Chair
D456159, May 25 2000 Steelcase Development Corporation Chair
D456650, May 25 2000 Steelcase Inc Chair component
D457023, May 25 2000 Steelcase Inc Chair component
D459923, Jun 19 2000 Global Total Office Chair
D553376, Jul 11 2006 ITOKI CORPORATION Chair
ASSIGNMENT RECORDS    Assignment records on the USPTO
//////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 05 2008PEARSON, LUKESteelcase IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0226020600 pdf
Dec 05 2008LLOYD, TOMSteelcase IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0226020600 pdf
Dec 05 2008CARPENTER, NICKSteelcase IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0226020600 pdf
Dec 11 2008LUDWIG, JAMESSteelcase IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0226020600 pdf
Dec 15 2008SMITH, BRUCESteelcase IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0226020600 pdf
Mar 23 2009Steelcase Inc.(assignment on the face of the patent)
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