Ballpoint pen

Details Ballpoint pen Ballpoint pen

2008-09-23

2008-09-23

Albert, Elizabeth A (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

29285097

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

REFERENCES:
patent: D169307 (1953-04-01), Ferber
patent: D175864 (1955-10-01), Steinberg
patent: D269445 (1983-06-01), Kruckel et al.
patent: D314978 (1991-02-01), Oka
patent: D338038 (1993-08-01), Oka et al.
patent: D351416 (1994-10-01), Oka et al.
patent: D421052 (2000-02-01), Yazawa
patent: D427634 (2000-07-01), Izushima
patent: D444172 (2001-06-01), Izushima
patent: D457563 (2002-05-01), Moon
patent: D510386 (2005-10-01), Briggl
patent: D537878 (2007-03-01), Anand
patent: D540867 (2007-04-01), Koch
patent: DM/059335 (2001-10-01), None
patent: DM/066515 (2004-12-01), None

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