Ballpoint pen

Details Ballpoint pen Ballpoint pen

2008-01-08

2008-01-08

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

29264851

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

REFERENCES:
patent: D309633 (1990-07-01), Itoh
patent: D450769 (2001-11-01), Nishida
patent: D452274 (2001-12-01), Keda
patent: D453187 (2002-01-01), Keda
patent: D472577 (2003-04-01), Sakuno et al.
patent: D497643 (2004-10-01), Nishida
patent: D525302 (2006-07-01), Togawa
patent: D533591 (2006-12-01), Togawa
patent: 1272875 (2006-06-01), None

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