Chair back

Design Patent

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Design Patent

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D0601831

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

REFERENCES:
patent: D227961 (1973-07-01), Ekuan
patent: D234241 (1975-02-01), Onoguchi
patent: D234653 (1975-04-01), Morishita
patent: D284718 (1986-07-01), Massonnet
patent: D298987 (1988-12-01), Tiffany
patent: D307836 (1990-05-01), Favaretto
patent: D333739 (1993-03-01), Yeh
patent: D351294 (1994-10-01), Fleishman
patent: D396570 (1998-08-01), Lohmeyer
patent: D474621 (2003-05-01), Pesso
patent: D487982 (2004-04-01), Lee
patent: D502613 (2005-03-01), Piretti
patent: D582693 (2008-12-01), da Costa

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