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Patent
D572509
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Priority
Jan 25 2006
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Filed
Jul 21 2006
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Issued
Jul 08 2008
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Expiry
Jul 08 2022
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Assg.orig
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Entity
unknown
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1
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16
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n/a
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The ornamental design for a chair back, as shown and described.
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FIG. 1 is a front, right perspective view of a chair back;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side view thereof; and,
FIG. 7 is a front elevational view thereof.
Ponnert, Oskar, Rittfeldt, Marten
Patent |
Priority |
Assignee |
Title |
D404209, |
Sep 02 1997 |
|
Video game seat |
D506893, |
Apr 28 2004 |
|
Chair back |
D534384, |
Apr 07 2005 |
|
Backrest for a chair |
D542547, |
Apr 19 2005 |
Pro-Glory Enterprise Co., Ltd. |
Office chair |
D542580, |
Mar 03 2004 |
Steelcase Inc |
Backrest |
D543396, |
Sep 05 2003 |
Steelcase Inc |
Back construction |
D543397, |
Sep 05 2003 |
Steelcase Inc |
Back construction |
D543717, |
Dec 01 2006 |
|
Office chair |
D545582, |
Jan 17 2006 |
|
Chair |
D546573, |
Oct 01 2004 |
Steelcase Inc |
Back for a seating unit |
D548994, |
Jan 23 2007 |
|
Chair |
D549976, |
Nov 09 2006 |
|
Chair |
D550976, |
Sep 27 2005 |
Vitra AG |
Chair |
D552857, |
Mar 08 2007 |
|
Chair |
D553886, |
Mar 25 2007 |
|
Chair backrest |
D554877, |
Nov 08 2005 |
Zhejiang Himax Furniture Industry Corp. Ltd. |
Chair |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a