Pen

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument

Design Patent

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Design Patent

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D0646324

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

REFERENCES:
patent: D160670 (1950-10-01), Stern
patent: D265212 (1982-06-01), Spiegel
patent: D325045 (1992-03-01), Katami
patent: D332637 (1993-01-01), Hesse
patent: D356598 (1995-03-01), Thompson et al.
patent: D436127 (2001-01-01), Hung
patent: D456448 (2002-04-01), Chiu
patent: D472923 (2003-04-01), Wang
patent: D495364 (2004-08-01), Cetera
patent: D496688 (2004-09-01), Nishida
patent: D571400 (2008-06-01), Anand
patent: D579978 (2008-11-01), Yu et al.
patent: D601198 (2009-09-01), Kouda
patent: 2004/0036194 (2004-02-01), Chadwick et al.

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