Set of ring binders

Details Set of ring binders Set of ring binders

2005-08-30

2005-08-30

Sincavage, Joel A. (Department: 2913)

Office supplies; artists and teachers materials

Book, album or cover

Element or attachment

Design Patent

active

D0508947

CLAIM:
The ornamental design for a set of ring binders, as shown and described.

REFERENCES:
patent: 2141524 (1938-12-01), Emmer
patent: 2269495 (1942-01-01), Trussell
patent: 2363848 (1944-11-01), Emmer
patent: 2548618 (1951-04-01), Purvis
patent: 2584854 (1952-02-01), Emmer
patent: 3246652 (1966-04-01), Lang
patent: 3252461 (1966-05-01), Schade
patent: 4349289 (1982-09-01), Cardellini
patent: D430204 (2000-08-01), Berracasa
patent: 6126353 (2000-10-01), Mullin et al.
patent: 6270280 (2001-08-01), Baumann
patent: 6406208 (2002-06-01), Hsu
patent: D497947 (2004-11-01), Kaneda

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