Digital sign board

Details Digital sign board Digital sign board

2011-05-10

2011-05-10

Calabrese, Mary Ann (Department: 2913)

Sales and advertising equipment

Signs or display forms

Attachable to vertical surface or hanging type

Design Patent

active

D0637651

CLAIM:
The ornamental design for a digital sign board, as shown and described.

REFERENCES:
patent: D405472 (1999-02-01), Kim
patent: D424538 (2000-05-01), Hayashi et al.
patent: D519117 (2006-04-01), Lewis
patent: D600661 (2009-09-01), Ohki et al.
patent: D623232 (2010-09-01), Warren, Jr.
patent: D624598 (2010-09-01), Chida et al.
patent: 2002/0000057 (2002-01-01), Nash
patent: 2004/0244244 (2004-12-01), Klassen et al.
patent: 2009/0178314 (2009-07-01), Nguyen
patent: D1226071 (2004-12-01), None
patent: D1258103 (2005-12-01), None
patent: D1365676 (2009-07-01), None
patent: D1369732 (2009-09-01), None

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