Ballpoint 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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29226805

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

REFERENCES:
patent: D408854 (1999-04-01), Katami
patent: D411858 (1999-07-01), Katami
patent: D502503 (2005-03-01), Kimura
patent: D506504 (2005-06-01), Nakazawa et al.
patent: 2005/0079002 (2005-04-01), Hazzard

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