2007-10-02
2007-10-02
Spear, Robert M. (Department: 2913)
Design Patent
active
29228791
CLAIM:
The ornamental design for a chair base, as shown and described.
REFERENCES:
patent: D413214 (1999-08-01), Chu
patent: D448591 (2001-10-01), Nixon et al.
patent: D458060 (2002-06-01), Vo
patent: D458776 (2002-06-01), Patton
patent: D493986 (2004-08-01), Fu
patent: D499586 (2004-12-01), Fu
patent: D509387 (2005-09-01), Chen
Kile Katrina A.
Leggett & Blatt Canada Co.
Shook Hardy & Bacon L.L.P.
Spear Robert M.
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