Clipboard

Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file

Design Patent

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Details

Design Patent

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D0575826

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

REFERENCES:
patent: 3977744 (1976-08-01), DeWitt
patent: D261903 (1981-11-01), Mulder
patent: D313819 (1991-01-01), Craft et al.
patent: D324399 (1992-03-01), Murphy
patent: 5407512 (1995-04-01), Policht
patent: D379477 (1997-05-01), Shamoon
patent: 5758902 (1998-06-01), McManus
patent: D410945 (1999-06-01), Chu
patent: D428927 (2000-08-01), Chang
patent: D487579 (2004-03-01), Chen
patent: D492358 (2004-06-01), Chen
Office Depot Brand Extra Storage and Supply Clipboard Box, as shown on www.officedepot.com, viewed May 22, 2008 (4 pages).

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