Patent
   D471370
Priority
Feb 13 2002
Filed
Feb 13 2002
Issued
Mar 11 2003
Expiry
Mar 11 2017
Assg.orig
Entity
unknown
43
37
n/a
The ornamental design for a task chair, as shown and described.

FIG. 1 is a perspective view of a task chair;

FIG. 2 is a right side view of the task chair shown in FIG. 1;

FIG. 3 is a front view of the task chair shown in FIG. 1;

FIG. 4 is a left side view of the task chair shown in FIG. 1;

FIG. 5 is a rear view of the task chair shown in FIG. 1;

FIG. 6 is a top view of the task chair shown in FIG. 1; and,

FIG. 7 is a bottom view of the task chair shown in FIG. 1.

Plikat, Claudia, Neubert, Nicolai, Zwick, Carola E. M., Zwick, Roland R. O., Schmitz, Burkhard

Patent Priority Assignee Title
7059682, Jul 03 2000 Herman Miller, Inc. Seating structure having flexible seating surface
7249802, Feb 13 2002 MILLERKNOLL, INC Back support structure
7455365, Jul 03 2000 MILLERKNOLL, INC Seating structure having flexible support surface
7472962, Jul 03 2000 MILLERKNOLL, INC Seating structure having flexible support surface
7794022, Jul 03 2000 Herman Miller, Inc. Body support structure having a molded elastomeric member
7841666, Feb 13 2002 MILLERKNOLL, INC Back support structure
8449037, Apr 13 2010 MILLERKNOLL, INC Seating structure with a contoured flexible backrest
9211014, Dec 08 2011 MILLERKNOLL, INC Composite body support member and methods for the manufacture and recycling thereof
9301615, Apr 13 2010 MILLERKNOLL, INC Seating structure with a contoured flexible backrest
D490994, Oct 15 2002 HERMAN MILLER, INC Task chair
D494768, Dec 12 2003 Chair
D494792, Oct 15 2002 HERMAN MILLER, INC Back for a seating structure
D504026, Aug 26 2004 VIRCO MFG CORPORATION Task chair
D514339, Aug 26 2004 VIRCO MFG CORPORATION Task chair
D514831, Oct 02 2003 Zhejiang Himax Furniture Industry Corp., Ltd. Chair
D554879, Dec 12 2005 Topstar GmbH Swivel chair
D564768, Aug 10 2007 VIRCO MFG CORPORATION Task chair
D575085, Mar 30 2008 Chair backrest
D575969, Jul 20 2007 Chair backrest
D577521, Apr 23 2008 Chair backrest
D580689, Apr 22 2008 Chair back
D581708, Apr 22 2008 Chair back
D593337, Jan 12 2009 Chair
D637423, Apr 13 2010 MILLERKNOLL, INC Chair
D639091, Apr 13 2010 MILLERKNOLL, INC Backrest
D641561, May 10 2010 FUH Shyan Co., Ltd.; FUH SHYAN CO , LTD Chair frame
D650206, Apr 13 2010 MILLERKNOLL, INC Chair
D652657, Apr 13 2010 MILLERKNOLL, INC Chair
D653061, Apr 13 2010 MILLERKNOLL, INC Chair
D657166, Apr 13 2010 MILLERKNOLL, INC Chair
D703457, Jun 07 2013 MILLERKNOLL, INC Chair
D723851, Jun 07 2013 MILLERKNOLL, INC Backrest support
D740584, Aug 21 2014 TRAN, MINH DAT DUY Chair
D740585, Aug 21 2014 TRAN, MINH DAT DUY Chair
D740586, Aug 21 2014 TRAN, MINH DAT DUY Chair
D745787, Aug 21 2014 TRAN, MINH DAT DUY Chair
D752356, Feb 04 2015 TRAN, MINH DAT DUY Chair
D752894, Feb 06 2015 TRAN, MINH DAT DUY Chair
D752896, Feb 05 2015 TRAN, MINH DAT DUY Chair
D793143, May 31 2016 Zhongshan Shi Songlin Furniture Co., Ltd Chair back frame
D882317, Jun 13 2016 MILLERKNOLL, INC Chair
D907423, May 23 2019 MILLERKNOLL, INC Chair
D960597, May 23 2019 MILLERKNOLL, INC Chair
Patent Priority Assignee Title
4556254, Dec 15 1981 Bio-Support Industries Limited Backrest
4722569, Sep 13 1985 MORGENSTERN, ROBIN L Power and manually actuated lumbosacral backrest
4915448, Jul 11 1988 Power actuated lumbosacral backrest
5486035, Aug 01 1994 HNI TECHNOLOGIES INC Occupant weight operated chair
5685606, Mar 11 1994 Kongsberg Automotive ASA Adjustable lumbar support
5797652, Jul 20 1994 Kongsberg Automotive ASA Lumbar support adjustment
5860700, Mar 26 1991 Kongsberg Automotive ASA Lumbar support adjustment device
5871256, Mar 31 1997 AICO Co., Ltd. Method for inclining a chair seat and chair having an inclinable seat
5904400, Dec 16 1997 Adjustable chair
5975632, Sep 02 1998 Chair having a backrest with an adjustable contour
6062649, Mar 03 1998 W C BRADLEY ZEBCO HOLDINGS, INC D B A ZEBCO Chair back construction
6099076, Mar 03 1998 Steelcase Development Inc. Chair back construction
6179384, Apr 21 1999 STEELCASE DEVELOPMENT INC , A MICHIGAN CORPORATION Force adjusting device
6189971, Jul 07 1998 Provenda Marketing AG Task chair with adjustable seat depth
6254186, Sep 05 1996 Kongsberg Automotive ASA Adjustable lumbar support
201355,
D273728, Nov 12 1981 CAFIERO, VINCENT Chair
D346279, Jun 15 1992 HERMAN MILLER, INC , A CORP OF MI Chair
D355534, Jan 11 1993 Okamura Corporation Chair
D417792, Apr 29 1998 Klober GmbH Office chair
D423259, May 10 1999 TRUE SEATING CONCEPTS, INC Mesh back chair
D424824, Oct 17 1997 Plus Corporation Chair
D431400, Mar 14 2000 Mesh back chair with radiused edges
D434918, Apr 24 1998 Steelcase Inc. Chair
D437701, Apr 12 1999 Vitra Patente AG Chair
D440419, Oct 29 1997 F-MARTIN STEIFENSAND BUROMOBEL GMBH Chair
D442791, Apr 09 1999 Steelcase Development Inc. Chair
D444309, Nov 08 1999 Okamura Corporation Chair
D444955, Jul 17 2000 Chair
D449174, Dec 05 2000 Allseating Corporation Chair
D451293, Jan 09 2001 Chair
D453079, Apr 20 2001 E CHAIR COMPANY, THE Arm chair
D456626, Jul 19 2001 Chair
D456650, May 25 2000 Steelcase Inc Chair component
D461323, Oct 19 2001 Chair
WO22961,
WO9325121,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 13 2002Herman Miller, Inc.(assignment on the face of the patent)
May 03 2002SCHMITZ, BURKHARDHERMAN MILLER, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129540755 pdf
May 03 2002PLIKAT, CLAUDIAHERMAN MILLER, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129540755 pdf
May 03 2002ZWICK, CAROLA E M HERMAN MILLER, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129540755 pdf
May 03 2002ZWICK, ROLAND R O HERMAN MILLER, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129540755 pdf
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