Clipboard

Details Clipboard Clipboard

2007-02-20

2007-02-20

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

Design Patent

active

29244993

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

REFERENCES:
patent: 2050308 (1936-08-01), Gash
patent: D255251 (1980-06-01), Hansen et al.
patent: D277395 (1985-01-01), Ippen
patent: D313819 (1991-01-01), Craft et al.
patent: 5016147 (1991-05-01), Voorhees
patent: D318299 (1991-07-01), Moberg
patent: D354772 (1995-01-01), Flickinger et al.
patent: D446549 (2001-08-01), Cheris et al.
patent: D497186 (2004-10-01), Cetera
patent: D518106 (2006-03-01), Mandel
patent: 2002/0030989 (2002-03-01), Stephen

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