Patent
   D572509
Priority
Jan 25 2006
Filed
Jul 21 2006
Issued
Jul 08 2008
Expiry
Jul 08 2022
Assg.orig
Entity
unknown
1
16
n/a
The ornamental design for a chair back, as shown and described.

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
D586594, Jan 25 2006 Flokk AB Chair back
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
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 21 2006Ergonomiprodukter I Bodafors AB(assignment on the face of the patent)
Aug 07 2006RITTFELDT, MARTENErgonomiprodukter I Bodafors ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0183690145 pdf
Aug 07 2006PONNERT, OSKARErgonomiprodukter I Bodafors ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0183690145 pdf
Aug 23 2017Ergonomiprodukter I Bodafors ABFlokk ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0436400295 pdf
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