Chair back

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Description

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.

Claims

The ornamental design for a chair back, as shown and described.

Referenced Cited
U.S. Patent Documents
D404209 January 19, 1999 Hunsaker
D506893 July 5, 2005 Hsien
D534384 January 2, 2007 Su
D542547 May 15, 2007 Su
D542580 May 15, 2007 Loew et al.
D543396 May 29, 2007 Loew et al.
D543397 May 29, 2007 Loew et al.
D543717 June 5, 2007 Chen
D545582 July 3, 2007 Wu
D546573 July 17, 2007 Klaasen et al.
D548994 August 21, 2007 Mao et al.
D549976 September 4, 2007 Lin
D550976 September 18, 2007 Bellini et al.
D552857 October 16, 2007 Wang
D553886 October 30, 2007 Su
D554877 November 13, 2007 Tsai
Patent History
Patent number: D572509
Type: Grant
Filed: Jul 21, 2006
Date of Patent: Jul 8, 2008
Assignee: Ergonomiprodukter I Bodafors AB (Nassjo)
Inventors: Marten Rittfeldt (Skanör), Oskar Ponnert (Malmö )
Primary Examiner: Robert M. Spear
Assistant Examiner: Katrina A Kile
Attorney: Birch, Stewart, Kolasch & Birch, LLP
Application Number: 29/263,331
Classifications
Current U.S. Class: D6/502