Ballpoint pen

Details Ballpoint pen Ballpoint pen

2006-12-12

2006-12-12

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

D0533591

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

REFERENCES:
patent: D324543 (1992-03-01), Poisson
patent: D397150 (1998-08-01), Izushima
patent: D404428 (1999-01-01), Takahashi
patent: D438245 (2001-02-01), Hollington et al.
patent: D445453 (2001-07-01), Hasegawa
patent: D512458 (2005-12-01), Shiina

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