Ballpoint pen

Details Ballpoint pen Ballpoint pen

2006-07-18

2006-07-18

Spear, Robert M. (Department: 2916)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

D0525302

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

REFERENCES:
patent: D404070 (1999-01-01), Hasegawa
patent: D453790 (2002-02-01), Tsuchikura
patent: D463821 (2002-10-01), Nishida
patent: D472577 (2003-04-01), Sakuno et al.
patent: D474241 (2003-05-01), Hasegawa
patent: D474810 (2003-05-01), Morita
patent: D506504 (2005-06-01), Nakazawa et al.
patent: 091303612 (2002-07-01), None

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