2001-06-26
2002-10-01
Watson, Gary D. (Department: 2913)
Design Patent
active
D0463693
CLAIM:
The ornamental design for a chair backrest, as shown and described.
REFERENCES:
patent: D295925 (1988-05-01), Oredat-Neuhoff
patent: D401771 (1998-12-01), Goodworth et al.
patent: D408163 (1999-04-01), Olson
patent: D420538 (2000-02-01), Arko et al.
patent: D423241 (2000-04-01), Magnusson et al.
patent: D452396 (2001-12-01), Brown
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