Patent
   D641572
Priority
Feb 01 2010
Filed
Feb 01 2010
Issued
Jul 19 2011
Expiry
Jul 19 2025
Assg.orig
Entity
unknown
31
18
n/a
The ornamental design for a chair back frame, as shown and described.

FIG. 1 is a perspective view of a chair back frame, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Tsai, Hsuan-Chin

Patent Priority Assignee Title
D661506, Jan 21 2011 Chair
D661523, Dec 07 2010 Chair headrest
D661916, Jan 18 2011 Office chair
D686013, Dec 23 2011 CHIA CHI YA ENTERPRISE CO., LTD.; CHIA CHI YA ENTERPRISE CO , LTD Chair back frame
D698167, May 09 2012 Zhejiang Anji Daming Furniture Co., Ltd. Chair
D708878, Oct 03 2013 Harmony Lifestyle, LLC Ergonomic chair frame with elastic bands
D708883, Jan 10 2014 Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D708884, Jan 10 2014 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D708885, Jan 22 2014 Zhongśhan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D772592, Nov 01 2015 Chair backrest
D777497, Sep 04 2015 Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO, LTD Chair back frame
D780499, Jun 18 2015 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
D785964, May 30 2014 STARWAY INTERNATIONAL HOME-LIVING CO., LTD. Chair
D793142, May 31 2016 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
D841997, Jan 29 2016 Rotary chair
D874842, Aug 31 2017 Office chair
D878839, Oct 13 2017 HANGZHOU ZHANYING TECHNOLOGY CO , LTD Chair back
D907947, May 13 2020 Henglin Home Furnishings Co., Ltd. Chair
D917947, Sep 29 2020 Adjustable chair
D935795, Jul 10 2019 HOMY CASA LIMITED Chair
D947574, Aug 20 2018 COOLSIDE LIMITED Internal assembly for travel accessory
D953086, May 23 2021 Guangzhou Ceyou Furniture Co., Ltd. Chair backrest
D957846, Aug 20 2018 COOLSIDE LIMITED Travel accessory
D970276, Jul 07 2022 Office chair
D979967, Apr 29 2021 COMFORT OFFICE FURNITURE CO., LTD GUANGDONG Chair
D979968, Apr 29 2021 COMFORT OFFICE FURNITURE CO., LTD GUANGDONG Chair
D982338, Mar 15 2021 CHONGQING GAOTIAN FURNITURE CO , LTD Chair
D985954, Jul 14 2021 Chair
ER1693,
ER3390,
ER5216,
Patent Priority Assignee Title
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D576416, Jan 02 2008 Chair
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D591540, Nov 04 2008 Chueng Shine Co., Ltd. Chair frame
D610822, Jan 21 2009 Office chair
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 30 2010TSAI, HSUAN-CHINFUH SHYAN CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0238750669 pdf
Feb 01 2010FUH Shyan Co., Ltd.(assignment on the face of the patent)
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