Ring binder

Details Ring binder Ring binder

2001-08-03

2002-05-21

Mortimer, Paula A. (Department: 2912)

Office supplies; artists and teachers materials

Book, album or cover

Ring bound or looseleaf type

CD19S032000

Design Patent

active

D0457559

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

REFERENCES:
patent: 3263687 (1966-08-01), Weichert
patent: 4552478 (1985-11-01), Cohen
patent: D325928 (1992-05-01), Bourgedis
patent: 5332327 (1994-07-01), Gillum
patent: D377805 (1997-02-01), To
patent: D382593 (1997-08-01), To
patent: D392997 (1998-03-01), Chan
patent: D408851 (1999-04-01), To
patent: 5971649 (1999-10-01), To
patent: 5980146 (1999-11-01), To
patent: 6045286 (2000-04-01), Tung
patent: D426571 (2000-06-01), To
patent: D433445 (2000-07-01), To
patent: D434071 (2000-11-01), To
patent: 6217247 (2001-04-01), Ng

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