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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D0648791

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

REFERENCES:
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Chen, B., “Marker,” U.S. Appl. No. 29/384,503, filed Jan. 31, 2011.
Liang, W., “Marker,” U.S. Appl. No. 29/386,816, filed Mar. 4, 2011.
Yuan, F., “Pen,” U.S. Appl. No. 29/383,702, filed Jan. 20, 2011.
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Zhang, B., “Pen,” U.S. Appl. No. 29/386,559, filed Mar. 2, 2011.

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