Portfolio

Office supplies; artists and teachers materials – Book – album or cover

Design Patent

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Design Patent

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D0574888

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

REFERENCES:
patent: D260456 (1981-09-01), Davies et al.
patent: D288033 (1987-02-01), Lodico et al.
patent: D296155 (1988-06-01), Kaczmarek
patent: D316482 (1991-04-01), Boitani
patent: D336719 (1993-06-01), Newby, Sr.
patent: D360977 (1995-08-01), Katz
patent: D434901 (2000-12-01), Eskandry
patent: D487188 (2004-03-01), Fonfeder
patent: D495369 (2004-08-01), Holland
patent: D506609 (2005-06-01), Hillman
patent: D532825 (2006-11-01), Bhavnani
patent: D536736 (2007-02-01), Pascale et al.
patent: 2005/0205444 (2005-09-01), Harlocker
patent: 2006/0060485 (2006-03-01), Picot et al.
patent: 2006/0219508 (2006-10-01), Hollingsworth
patent: 2006/0228052 (2006-10-01), Hess
patent: 2007/0049477 (2007-03-01), Hester et al.
patent: 2007/0182153 (2007-08-01), Hester et al.
patent: 2007/0256946 (2007-11-01), Godshaw et al.
patent: 2008/0001391 (2008-01-01), Kovacevich

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