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Patent
D839035
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Priority
Nov 27 2017
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Filed
Nov 27 2017
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Issued
Jan 29 2019
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Expiry
Jan 29 2034
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Assg.orig
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Entity
unknown
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13
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10
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n/a
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The ornamental design for a chair back frame, as shown and described.
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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 |
D856728, |
Apr 03 2017 |
Gary W., Feiner |
Back support |
D857436, |
Sep 13 2017 |
Gary W., Feiner; FEINER, GARY W |
Back support |
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 |
D927909, |
Nov 22 2019 |
Zhongshan Meisihe Furniture Co., Ltd. |
Seat back |
D927910, |
Nov 22 2019 |
Zhongshan Meisihe Furniture Co., Ltd. |
Seat back |
D929165, |
May 13 2020 |
Zhongshan Meisihe Furniture Co., Ltd. |
Seat back |
D929784, |
May 20 2020 |
|
Chair backrest |
D937592, |
Jan 28 2019 |
ZHEJIANG SUNON FURNITURE MANUFACTURE CO., LTD. |
Chair |
D944026, |
Sep 29 2020 |
NINGBO TIANDE XINYI TRADING CO , LTD |
Office chair |
D947574, |
Aug 20 2018 |
COOLSIDE LIMITED |
Internal assembly for travel accessory |
D957846, |
Aug 20 2018 |
COOLSIDE LIMITED |
Travel accessory |
ER1693, |
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|
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Patent |
Priority |
Assignee |
Title |
8251448, |
Mar 13 2007 |
SLACKER, INC |
Dynamic chair back lumbar support system |
D558994, |
Mar 24 2006 |
HNI Corporation |
Chair |
D579695, |
Mar 17 2008 |
|
Chair frame |
D580198, |
Mar 17 2008 |
|
Chair back |
D687660, |
Jun 05 2012 |
Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D714069, |
Nov 19 2013 |
|
Mesh back task chair |
D714070, |
Nov 19 2013 |
|
Mesh back task chair with pelvic positioning |
D745300, |
Nov 19 2013 |
|
Mesh back task chair back and bottom |
D782239, |
Sep 22 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D793143, |
May 31 2016 |
Zhongshan Shi Songlin Furniture Co., Ltd |
Chair back frame |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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Maintenance Fee Events |
n/a
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Maintenance Schedule |
n/a