






| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US29/306,463USD600051S1 (en) | 2008-04-09 | 2008-04-09 | Chair back | 
| US29/331,807USD604969S1 (en) | 2008-04-09 | 2009-02-02 | Chair back component | 
| US29/341,452USD615784S1 (en) | 2008-04-09 | 2009-08-05 | Chair back | 
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US29/306,463USD600051S1 (en) | 2008-04-09 | 2008-04-09 | Chair back | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US29/331,807ContinuationUSD604969S1 (en) | 2008-04-09 | 2009-02-02 | Chair back component | 
| US29/341,452DivisionUSD615784S1 (en) | 2008-04-09 | 2009-08-05 | Chair back | 
| Publication Number | Publication Date | 
|---|---|
| USD600051S1true USD600051S1 (en) | 2009-09-15 | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US29/306,463Expired - LifetimeUSD600051S1 (en) | 2008-04-09 | 2008-04-09 | Chair back | 
| US29/331,807Expired - LifetimeUSD604969S1 (en) | 2008-04-09 | 2009-02-02 | Chair back component | 
| US29/341,452Expired - LifetimeUSD615784S1 (en) | 2008-04-09 | 2009-08-05 | Chair back | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| US29/331,807Expired - LifetimeUSD604969S1 (en) | 2008-04-09 | 2009-02-02 | Chair back component | 
| US29/341,452Expired - LifetimeUSD615784S1 (en) | 2008-04-09 | 2009-08-05 | Chair back | 
| Country | Link | 
|---|---|
| US (3) | USD600051S1 (en) | 
| Publication number | Priority date | Publication date | Assignee | Title | 
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| USD612642S1 (en)* | 2009-01-16 | 2010-03-30 | Terry Cassaday | Airflow seating | 
| USD613084S1 (en)* | 2008-12-12 | 2010-04-06 | Formway Furniture Limited | Chair | 
| US8029060B2 (en) | 2006-10-04 | 2011-10-04 | Formway Furniture Limited | Chair | 
| USD680345S1 (en)* | 2012-05-07 | 2013-04-23 | Yang Xingchang | Chair | 
| USD689297S1 (en)* | 2013-03-06 | 2013-09-10 | Dongguan Howen Plastic & Metal Products Co., Ltd. | Wheeled chair | 
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| USD818295S1 (en) | 2017-02-01 | 2018-05-22 | Commercial Seating Products, Inc. | Chair back | 
| USD818753S1 (en) | 2017-02-01 | 2018-05-29 | Commercial Seating Products, Inc. | Chair back | 
| USD833767S1 (en)* | 2016-06-01 | 2018-11-20 | Formway Furniture Limited | Chair | 
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| USD1014163S1 (en)* | 2021-10-18 | 2024-02-13 | Orangebox Limited | Back for a task chair | 
| USD1041979S1 (en)* | 2021-10-18 | 2024-09-17 | Orangebox Limited | Seat and back unit for a task chair | 
| USD1041935S1 (en)* | 2021-10-18 | 2024-09-17 | Orangebox Limited | Task chair | 
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| USD623449S1 (en)* | 2005-05-13 | 2010-09-14 | Humanscale Corporation | Mesh backrest for a chair | 
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| USD647739S1 (en)* | 2010-04-29 | 2011-11-01 | Gasser Chair Company, Inc. | Chair back | 
| USD643483S1 (en)* | 2010-07-01 | 2011-08-16 | Precor Incorporated | Seat back for an exercise device | 
| AU360058S (en)* | 2014-07-14 | 2015-01-21 | Dauphin Entw U Beteiligungs Gmbh | Chair backrest | 
| USD767321S1 (en)* | 2015-08-19 | 2016-09-27 | Yang Xingchang | Chair back | 
| USD907423S1 (en) | 2019-05-23 | 2021-01-12 | Herman Miller, Inc. | Chair | 
| USD1079355S1 (en)* | 2022-07-08 | 2025-06-17 | Luhao Leng | Backrest | 
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