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Patent
D793143
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Priority
May 31 2016
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Filed
May 31 2016
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Issued
Aug 01 2017
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Expiry
Aug 01 2032
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Assg.orig
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Entity
unknown
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13
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21
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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 |
D818294, |
Mar 07 2016 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D839035, |
Nov 27 2017 |
|
Chair back frame |
D856728, |
Apr 03 2017 |
Gary W., Feiner |
Back support |
D857436, |
Sep 13 2017 |
Gary W., Feiner; FEINER, GARY W |
Back support |
D859047, |
Jan 05 2018 |
DONGGUAN KENTEC OFFICE SEATING CO., LTD. |
Chair back |
D910359, |
Jan 21 2020 |
Comfordy Co., Ltd. |
Chair back |
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 |
D929784, |
May 20 2020 |
|
Chair backrest |
D947574, |
Aug 20 2018 |
COOLSIDE LIMITED |
Internal assembly for travel accessory |
D950290, |
Jul 09 2021 |
FOSHAN ZHONGYANG FURNITURE CO., LTD. |
Office chair |
D957846, |
Aug 20 2018 |
COOLSIDE LIMITED |
Travel accessory |
ER1693, |
|
|
|
Patent |
Priority |
Assignee |
Title |
6550866, |
Jan 24 2002 |
|
Chair backrest with ventilating function |
7213880, |
Feb 13 2002 |
MILLERKNOLL, INC |
Control device for an adjustable seating structure |
7347495, |
Mar 01 2005 |
PNC BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT |
Chair back with lumbar and pelvic supports |
D453079, |
Apr 20 2001 |
E CHAIR COMPANY, THE |
Arm chair |
D471370, |
Feb 13 2002 |
HERMAN MILLER, INC |
Task chair |
D490994, |
Oct 15 2002 |
HERMAN MILLER, INC |
Task chair |
D493627, |
Sep 27 2002 |
|
Arm chair |
D495509, |
Dec 12 2002 |
NIGHTINGALE CORP |
Chair |
D514831, |
Oct 02 2003 |
Zhejiang Himax Furniture Industry Corp., Ltd. |
Chair |
D540079, |
Apr 03 2005 |
BOCK 1 GmbH & Co. KG |
Seat back |
D540578, |
Sep 09 2005 |
|
Backrest |
D570624, |
Jul 25 2007 |
Russell International Corporation |
Seat cushion and back pad of a chair |
D573817, |
Sep 07 2007 |
|
Chair backrest |
D580199, |
Jul 02 2008 |
|
Chair backrest |
D585205, |
Mar 27 2008 |
Hurng Taih Plastic Master Batch Co., Ltd. |
Frame of the office chair |
D641561, |
May 10 2010 |
FUH Shyan Co., Ltd.; FUH SHYAN CO , LTD |
Chair frame |
D645683, |
Jan 18 2011 |
|
Seatback frame |
D661137, |
Nov 16 2011 |
|
Chair backrest |
D687660, |
Jun 05 2012 |
Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D767320, |
Jul 17 2015 |
|
Chair back |
D774345, |
Mar 20 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a