Chair back

Details Chair back Chair back

2008-07-08

2008-07-08

Spear, Robert M. (Department: 2913)

Design Patent

active

D0572509

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

REFERENCES:
patent: D404209 (1999-01-01), Hunsaker
patent: D506893 (2005-07-01), Hsien
patent: D534384 (2007-01-01), Su
patent: D542547 (2007-05-01), Su
patent: D542580 (2007-05-01), Loew et al.
patent: D543396 (2007-05-01), Loew et al.
patent: D543397 (2007-05-01), Loew et al.
patent: D543717 (2007-06-01), Chen
patent: D545582 (2007-07-01), Wu
patent: D546573 (2007-07-01), Klaasen et al.
patent: D548994 (2007-08-01), Mao et al.
patent: D549976 (2007-09-01), Lin
patent: D550976 (2007-09-01), Bellini et al.
patent: D552857 (2007-10-01), Wang
patent: D553886 (2007-10-01), Su
patent: D554877 (2007-11-01), Tsai

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