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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D0569904

CLAIM:
We claim the ornamental design for the ballpoint pen, as shown and described.

REFERENCES:
patent: D100845 (1936-08-01), Bloser
patent: D372271 (1996-07-01), Dworman et al.
patent: D377051 (1996-12-01), Takemura
patent: D388458 (1997-12-01), Takemura
patent: D441793 (2001-05-01), Takemura
patent: D498790 (2004-11-01), Shova et al.
patent: D536035 (2007-01-01), Cetera
patent: D551706 (2007-09-01), Atela et al.

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