Ballpoint pen

Details Ballpoint pen Ballpoint pen

2006-12-12

2008-09-09

Albert, Elizabeth A (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

D0576677

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

REFERENCES:
patent: D181244 (1957-10-01), Zierhut
patent: D182162 (1958-02-01), Carriero
patent: D461501 (2002-08-01), Nishida
patent: D489088 (2004-04-01), Arita et al.
patent: D496961 (2004-10-01), Daida
patent: D510599 (2005-10-01), Shibata
patent: D525302 (2006-07-01), Togawa
patent: D534955 (2007-01-01), Huxiong
patent: D535694 (2007-01-01), Chen
patent: D535695 (2007-01-01), Chen
patent: D536034 (2007-01-01), Penno
patent: D549776 (2007-08-01), Avenatti
patent: DM/063754 (2003-04-01), None

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