Ring binder

Details Ring binder Ring binder

2001-08-03

2002-01-22

Mortimer, Paula A. (Department: 2912)

Office supplies; artists and teachers materials

Book, album or cover

Element or attachment

Design Patent

active

D0453026

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

REFERENCES:
patent: RE18806 (1933-04-01), Dawson
patent: 2218105 (1940-10-01), Griffin
patent: 2673564 (1954-03-01), Derringer
patent: 3263687 (1966-08-01), Weichert
patent: 3404685 (1968-10-01), Vernon
patent: 4552478 (1985-11-01), Cohen
patent: D356112 (1995-03-01), Constantine
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: D426571 (2000-06-01), To
patent: D433445 (2000-11-01), To
patent: D434071 (2000-11-01), To
patent: 6217247 (2001-04-01), Ng

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