Ring binder

Office supplies; artists and teachers materials – Book – album or cover – Ring bound or looseleaf type

Design Patent

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Details

Design Patent

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D0529087

CLAIM:
The ornamental design for a ring binder, as shown and described.

REFERENCES:
patent: 1843542 (1932-02-01), Dawson
patent: 2539069 (1951-01-01), Galeone
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patent: D343862 (1994-02-01), Wyant
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patent: D407434 (1999-03-01), Moor
patent: D436372 (2001-01-01), Moor
patent: 6196591 (2001-03-01), Lieth
patent: 6382863 (2002-05-01), To et al.
patent: D458634 (2002-06-01), Gerriet

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