Patent
   D779252
Priority
Feb 12 2016
Filed
Feb 12 2016
Issued
Feb 21 2017
Expiry
Feb 21 2032
Assg.orig
Entity
unknown
5
71
n/a
The ornamental design for a back support for a chair, as shown and described.

FIG. 1 is a front perspective view of the back support for a chair embodying the new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

FIGS. 1-8 show a seat support in broken lines. The portions shown in broken lines are for environmental purposes only and form no part of the claimed design.

Welsh, Michael W., Fleet, Kyle R., Czumaj-Bront, Nicolai, Beyer, Peter J., Bellingar, Teresa A.

Patent Priority Assignee Title
D793787, Feb 12 2016 HAWORTH, INC Portion of a back support for a chair
D846929, Jan 12 2016 INTERSTUHL BUEROMOEBEL GMBH & CO KG Chair
D853768, Jan 12 2016 Interstuhl Bueromoebel GmbH & Co. KG Chair
D860702, Mar 10 2017 FAST S P A Chair seat
D879491, Nov 15 2018 ZHEJIANG HENGLIN CHAIR INDUSTRY CO., LTD. Chair
Patent Priority Assignee Title
3353869,
3476169,
4049315, Dec 13 1976 Chair having independent seat and back
4408800, Jun 11 1980 Unisys Corporation Office chairs
4556254, Dec 15 1981 Bio-Support Industries Limited Backrest
4658807, Oct 25 1982 International Positioning Systems, Ltd. Method for supporting and positioning the human anatomy
4744603, Apr 10 1986 STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN Chair shell with selective back stiffening
5320410, Jan 14 1992 STEELCASE DEVELOPMENT INC , A CORPORATION OF MICHIGAN Chair control
5403067, Oct 23 1990 Davband Pty. Limited Back support for a chair or seat
5586808, Apr 22 1994 Chair with lateral frame parts connected by transverse rods supporting seat and backrest
5645321, Apr 21 1995 Plane for the seat of armchairs, divans, chairs or similar, with devices for the fixing of the belts that take advantage of the tension of themselves in order to constrain them to the support framework
5826937, Jan 23 1997 Lear Corporation Pneumatic energy absorbing seat assembly
5951109, Apr 30 1997 HAWORTH, INC Chairback with side torsional movement
5988757, Aug 29 1996 Lear Corporation Vehicle seat assembly
6572190, Jun 15 2001 HNI TECHNOLOGIES INC Lumbar support for a chair
6910736, Jun 14 2001 Factory Design Limited Seats with twistable seat elements
6971717, Jun 17 2004 IWI Ltd. Backrest
7032971, Mar 14 2001 Seat backs
7396438, Sep 22 2003 TEMBEC Lignocellulose fiber-resin composite material
7909402, Sep 18 2007 SYNERGY PRODUCT DEVELOPMENT, INC Back support for a seat
8622472, Mar 27 2006 C-POD ERGONOMICS PTY LTD Back support adjustment system
9332851, Mar 15 2013 HNI TECHNOLOGIES INC Chair with activated back flex
20010008955,
20020130540,
20040007910,
20040104610,
20040256899,
20060103214,
20060181126,
20060255635,
20070102987,
20090102268,
20090261644,
20100187882,
20120061988,
20120299350,
20130221724,
20140062154,
20140117738,
20140183914,
CN101715310,
CN1331940,
CN1470420,
CN1564666,
CN1575142,
CN2168479,
D557917, Jul 11 2006 ITOKI CORPORATION Chair
D600462, Sep 16 2008 KOKUYO CO , LTD Chair
D643641, Oct 25 2010 Dauphin Entwicklungs-u. Beteiligungs-GmbH Chair
D643642, Oct 25 2010 Dauphin Entwicklungs-u. Beteiligungs-GmbH Chair
D680345, May 07 2012 Chair
D684783, Apr 20 2012 Chair
D686440, Aug 22 2012 Chair backrest
D686441, Jan 29 2013 Chair backrest
D715068, Jun 07 2013 ITOKI CORPORATION Chair
D731833, Apr 17 2014 ALLSTEEL INC Chair
D735513, Jun 07 2013 ITOKI CORPORATION Backrest of a chair
DE102007002284,
DE102008009509,
DE102011100708,
EP1232703,
EP1693248,
EP1785070,
EP1911374,
EP1946676,
WO22961,
WO3063651,
WO20120167940,
WO9212654,
WO9848670,
WO9848671,
////////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 12 2016Haworth, Inc.(assignment on the face of the patent)
Mar 16 2016WELSH, MICHAEL W HAWORTH, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0392400613 pdf
Mar 16 2016FLEET, KYLE R HAWORTH, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0392400613 pdf
Mar 16 2016BEYER, PETER J HAWORTH, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0392400613 pdf
Mar 16 2016BELLINGAR, TERESA A HAWORTH, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0392400613 pdf
Mar 21 2016CZUMAJ-BRONT, NICOLAIHAWORTH, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0392400613 pdf
Nov 29 2022HAWORTH, INC PNC BANKCOLLATERAL ASSIGNMENT OF PATENTS0620780770 pdf
Nov 29 2022AFFORDABLE INTERIOR SYSTEMS, INC PNC BANKCOLLATERAL ASSIGNMENT OF PATENTS0620780770 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule