PTO
Wrapper
PDF
Dossier
Espace
Google
Patent
D779250
Priority
Feb 12 2016
Filed
Feb 12 2016
Issued
Feb 21 2017
Expiry
Feb 21 2032
Assg.orig
Entity
unknown
5
70
n/a
The ornamental design for a portion of a back support for a chair, as shown and described.
FIG. 1 is a front perspective view of the portion of a 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 and portions of a seat back 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 , Potrykus, Martin W. , Berenwinkel, Markus , Shayeb, Carlo
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
20010008955 ,
20020130540 ,
20040007910 ,
20040104610 ,
20040256899 ,
20060103214 ,
20060181126 ,
20060255635 ,
20070102987 ,
20090102268 ,
20090261644 ,
20100187882 ,
20120061988 ,
20120299350 ,
20130221724 ,
20140062154 ,
20140117738 ,
20140183914 ,
CN101715310 ,
CN1331940 ,
CN1470420 ,
CN1564666 ,
CN1575142 ,
CN2168479 ,
D368596 ,
Apr 03 1995
NIGHTINGALE CORP
Highback chair
D477469 ,
Apr 12 2001
Senator International Limited
Chair
D551868 ,
Jun 07 2006
Plus Corporation
Chair
D680345 ,
May 07 2012
Chair
D695537 ,
Oct 18 2012
KUSCH+CO GMBH
Seating furniture
D724881 ,
Sep 29 2014
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD
Chair back frame
D735483 ,
Aug 11 2014
Chair
D738129 ,
Aug 14 2014
Chair
D751836 ,
Sep 19 2014
Okamura Corporation
Chair
D766026 ,
Jun 30 2015
Backrest for a chair
D766027 ,
Jun 30 2015
Backrest for a chair
DE102007002284 ,
DE102008009509 ,
DE102011100708 ,
EP1232703 ,
EP1693248 ,
EP1785070 ,
EP1911374 ,
EP1946676 ,
WO22961 ,
WO3063651 ,
WO2012167940 ,
WO9212654 ,
WO9848670 ,
WO9848671 ,
Executed on Assignor Assignee Conveyance Frame Reel Doc
Feb 12 2016 Haworth, Inc. (assignment on the face of the patent) /
Feb 25 2016 POTRYKUS, MARTIN W HAWORTH, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 039065 /0748
pdf
Feb 25 2016 BERENWINKEL, MARKUS HAWORTH, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 039065 /0748
pdf
Feb 25 2016 SHAYEB, CARLO HAWORTH, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 039065 /0748
pdf
Mar 21 2016 CZUMAJ-BRONT, NICOLAI HAWORTH, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 039065 /0748
pdf
Jun 10 2016 FLEET, KYLE R HAWORTH, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 039065 /0748
pdf
Jun 29 2016 WELSH, MICHAEL W HAWORTH, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 039065 /0748
pdf
Nov 29 2022 HAWORTH, INC PNC BANK COLLATERAL ASSIGNMENT OF PATENTS 062078 /0770
pdf
Nov 29 2022 AFFORDABLE INTERIOR SYSTEMS, INC PNC BANK COLLATERAL ASSIGNMENT OF PATENTS 062078 /0770
pdf
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a