Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file
Design Patent
2007-07-16
2008-11-18
Albert, Elizabeth A. (Department: 2913)
Office supplies; artists and teachers materials
Office equipment not elsewhere specified
Holder or file
Design Patent
active
D0580990
CLAIM:
The ornamental design for a clipboard, as shown and described.
REFERENCES:
patent: D398650 (1998-09-01), Shamoon
patent: D474599 (2003-05-01), Shamoon
patent: D475748 (2003-06-01), Shamoon
patent: D487579 (2004-03-01), Chen
patent: D492358 (2004-06-01), Chen
patent: D495746 (2004-09-01), Chen
patent: D500800 (2005-01-01), Shamoon
patent: D549961 (2007-09-01), Green
Albert Elizabeth A.
Eldridge Powers Karen E
Kamrath Alan
Kamrath & Associates PA
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