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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29236451

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

REFERENCES:
patent: D179546 (1957-01-01), Miele
patent: 3694644 (1972-09-01), Bauknight
patent: 4153927 (1979-05-01), Owens
patent: D285392 (1986-09-01), Thompson
patent: D313819 (1991-01-01), Craft, Jr. et al.
patent: D327092 (1992-06-01), Evenson
patent: D353399 (1994-12-01), Dodge
patent: D359985 (1995-07-01), Mak
patent: D360649 (1995-07-01), Volk et al.
patent: 5829787 (1998-11-01), Newhouse, Jr.
patent: 6241360 (2001-06-01), Merrell
patent: 6443588 (2002-09-01), Nunez

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