Portion of a chair back

Design Patent

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Design Patent

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D0527557

CLAIM:
The ornamental design for a portion of a chair back, as shown and described.

REFERENCES:
patent: 4993164 (1991-02-01), Jacobsen
patent: D320120 (1991-09-01), Samuelsson
patent: 5228747 (1993-07-01), Greene
patent: 5328245 (1994-07-01), Marks et al.
patent: D438392 (2001-03-01), Lucci et al.
patent: D453633 (2002-02-01), Diffrient
patent: D478734 (2003-08-01), Chen
patent: D479054 (2003-09-01), Chen
patent: D495508 (2004-09-01), Summers
patent: D497264 (2004-10-01), Wilkinson et al.
patent: 6843530 (2005-01-01), Wu
patent: D501333 (2005-02-01), Piretti
patent: 6893096 (2005-05-01), Bonn et al.
patent: D510671 (2005-10-01), Wu
patent: D512843 (2005-12-01), Breen
patent: 2004/0195882 (2004-10-01), White
patent: 2004/0256899 (2004-12-01), Moore et al.
Verte Chair, Feb. 2003 Design.
Verte Chair, Jun. 2003 Design.

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