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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D0566177

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

REFERENCES:
patent: D205872 (1966-09-01), Parker
patent: D260531 (1981-09-01), Della Beffa
patent: D286648 (1986-11-01), Perrin
patent: D314978 (1991-02-01), Oka
patent: D324543 (1992-03-01), Poisson
patent: D341622 (1993-11-01), Poisson
patent: 5427464 (1995-06-01), Nakagawa
patent: D361783 (1995-08-01), Wei
patent: D395674 (1998-06-01), Boix Gacia

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