Patent
   D793142
Priority
May 31 2016
Filed
May 31 2016
Issued
Aug 01 2017
Expiry
Aug 01 2032
Assg.orig
Entity
unknown
14
16
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
D841997, Jan 29 2016 Rotary chair
D874842, Aug 31 2017 Office chair
D885102, Mar 20 2018 THYSSENKRUPP STAIRLIFTS B V Support structure for a stairlift chair
D885703, Mar 20 2018 THYSSENKRUPP STAIRLIFTS B V Stairlift chair
D907947, May 13 2020 Henglin Home Furnishings Co., Ltd. Chair
D917217, Nov 29 2019 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
D917218, Jan 21 2020 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
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
ER1693,
ER3315,
Patent Priority Assignee Title
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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
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 27 2016TSAI, HSUAN-CHINZHONGSHAN SHI SONGLIN FURNITURE CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0387460236 pdf
May 31 2016Zhongshan Shi Songlin Furniture Co., Ltd.(assignment on the face of the patent)
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