USD509975S1 - Chair back - Google Patents

Chair back Download PDF

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Publication number
USD509975S1
USD509975S1 US29/220,364 US22036404F USD509975S US D509975 S1 USD509975 S1 US D509975S1 US 22036404 F US22036404 F US 22036404F US D509975 S USD509975 S US D509975S
Authority
US
United States
Prior art keywords
chair back
view
side elevational
chair
elevational view
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US29/220,364
Inventor
Toung-Chun Pan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oasyschair Co Ltd
Original Assignee
Oasyschair Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oasyschair Co Ltd filed Critical Oasyschair Co Ltd
Priority to US29/220,364 priority Critical patent/USD509975S1/en
Assigned to OASYSCHAIR CO., LTD. reassignment OASYSCHAIR CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PAN, TOUNG-CHUN
Application granted granted Critical
Publication of USD509975S1 publication Critical patent/USD509975S1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a perspective view of a chair back showing my new design;
FIG. 2 is a front side elevational view thereof;
FIG. 3 is a rear side elevational view thereof;
FIG. 4 is a left side elevational view thereof,
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.

Claims (1)

  1. The ornamental design for a chair back, as shown and described.
US29/220,364 2004-12-29 2004-12-29 Chair back Expired - Lifetime USD509975S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/220,364 USD509975S1 (en) 2004-12-29 2004-12-29 Chair back

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29/220,364 USD509975S1 (en) 2004-12-29 2004-12-29 Chair back

Publications (1)

Publication Number Publication Date
USD509975S1 true USD509975S1 (en) 2005-09-27

Family

ID=34992844

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/220,364 Expired - Lifetime USD509975S1 (en) 2004-12-29 2004-12-29 Chair back

Country Status (1)

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US (1) USD509975S1 (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD543717S1 (en) * 2006-12-01 2007-06-05 Chen Yung-Hua Office chair
USD546086S1 (en) * 2006-12-01 2007-07-10 Chen Yung-Hua Office chair
USD600931S1 (en) 2008-05-26 2009-09-29 Steelcase Inc. Seating unit
US7841664B2 (en) 2008-06-04 2010-11-30 Steelcase Inc. Chair with control system
USD641575S1 (en) * 2010-09-03 2011-07-19 Fuh Shyan Co., Ltd. Three-piece chair backrest frame
USD641572S1 (en) * 2010-02-01 2011-07-19 Fuh Shyan Co., Ltd. Chair back frame
USD644466S1 (en) * 2010-05-18 2011-09-06 Yao-Chuan Wu Chair back
USD654291S1 (en) 2008-05-26 2012-02-21 Steelcase Inc. Seating unit
USD673399S1 (en) * 2011-08-26 2013-01-01 Xianbing Gu Seatback frame
USD677917S1 (en) * 2011-08-11 2013-03-19 Dakang Holding Group Co., Ltd. Chair
USD696055S1 (en) 2008-05-26 2013-12-24 Steelcase, Inc. Chair back
USD696545S1 (en) 2013-07-30 2013-12-31 Steelcase, Inc. Rear surface of a chair back
USD708885S1 (en) * 2014-01-22 2014-07-15 Zhongśhan Shi Songlin Furniture Co., Ltd Chair back frame
USD708884S1 (en) * 2014-01-10 2014-07-15 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
USD780499S1 (en) * 2015-06-18 2017-03-07 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
USD784748S1 (en) * 2015-10-02 2017-04-25 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back
USD804879S1 (en) * 2015-11-12 2017-12-12 Corecentric LLC Chair
US10258820B2 (en) 2013-09-17 2019-04-16 Corecentric LLC Systems and method for providing ergonomic exercise chairs
US10272282B2 (en) 2016-09-20 2019-04-30 Corecentric LLC Systems and methods for providing ergonomic chairs

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4864668A (en) * 1989-03-21 1989-09-12 David Crisp Portable back support
USD456625S1 (en) * 2000-10-18 2002-05-07 Kokuyo Co., Ltd. Chair
USD491394S1 (en) * 2003-05-14 2004-06-15 Hsiu-Hsueh Wu Combined chair seat/backrest
USD501333S1 (en) * 2003-04-14 2005-02-01 Pro Cord S.P.A. Chair

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4864668A (en) * 1989-03-21 1989-09-12 David Crisp Portable back support
USD456625S1 (en) * 2000-10-18 2002-05-07 Kokuyo Co., Ltd. Chair
USD501333S1 (en) * 2003-04-14 2005-02-01 Pro Cord S.P.A. Chair
USD491394S1 (en) * 2003-05-14 2004-06-15 Hsiu-Hsueh Wu Combined chair seat/backrest

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD546086S1 (en) * 2006-12-01 2007-07-10 Chen Yung-Hua Office chair
USD543717S1 (en) * 2006-12-01 2007-06-05 Chen Yung-Hua Office chair
USD654291S1 (en) 2008-05-26 2012-02-21 Steelcase Inc. Seating unit
USD600931S1 (en) 2008-05-26 2009-09-29 Steelcase Inc. Seating unit
USD696546S1 (en) 2008-05-26 2013-12-31 Steelcase, Inc. Chair back
USD696055S1 (en) 2008-05-26 2013-12-24 Steelcase, Inc. Chair back
US7841664B2 (en) 2008-06-04 2010-11-30 Steelcase Inc. Chair with control system
USD641572S1 (en) * 2010-02-01 2011-07-19 Fuh Shyan Co., Ltd. Chair back frame
USD644466S1 (en) * 2010-05-18 2011-09-06 Yao-Chuan Wu Chair back
USD641575S1 (en) * 2010-09-03 2011-07-19 Fuh Shyan Co., Ltd. Three-piece chair backrest frame
USD677917S1 (en) * 2011-08-11 2013-03-19 Dakang Holding Group Co., Ltd. Chair
USD673399S1 (en) * 2011-08-26 2013-01-01 Xianbing Gu Seatback frame
USD696545S1 (en) 2013-07-30 2013-12-31 Steelcase, Inc. Rear surface of a chair back
US10258820B2 (en) 2013-09-17 2019-04-16 Corecentric LLC Systems and method for providing ergonomic exercise chairs
US10960263B2 (en) 2013-09-17 2021-03-30 Corecentric LLC Systems and methods for providing ergonomic exercise chairs
USD708884S1 (en) * 2014-01-10 2014-07-15 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
USD708885S1 (en) * 2014-01-22 2014-07-15 Zhongśhan Shi Songlin Furniture Co., Ltd Chair back frame
USD780499S1 (en) * 2015-06-18 2017-03-07 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
USD784748S1 (en) * 2015-10-02 2017-04-25 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back
USD804879S1 (en) * 2015-11-12 2017-12-12 Corecentric LLC Chair
US10272282B2 (en) 2016-09-20 2019-04-30 Corecentric LLC Systems and methods for providing ergonomic chairs

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