Office supplies; artists and teachers materials – Book – album or cover – Element or attachment
Design Patent
1999-12-14
2001-01-30
Lucas, Susan J. (Department: 2911)
Office supplies; artists and teachers materials
Book, album or cover
Element or attachment
Design Patent
active
D0436994
CLAIM:
The ornamental design for a binder ring mechanism, as shown and described.
REFERENCES:
patent: D. 377805 (1997-02-01), To
patent: D. 392673 (1998-03-01), Whaley
patent: 827298 (1906-07-01), Egge
patent: 1761589 (1930-06-01), Schade
patent: 4368995 (1983-01-01), Cohen
patent: 5810500 (1998-09-01), Whaley
patent: 5846013 (1998-12-01), To
patent: 5971649 (1999-10-01), To
Heflin Clare E.
Lucas Susan J.
Polster Lieder Woodruff & Lucchesi LC
U.S. Ring Binder
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