Ballpoint pen

Details Ballpoint pen Ballpoint pen

2006-11-27

2008-08-26

Albert, Elizabeth A (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

D0575824

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

REFERENCES:
patent: D18482 (1888-07-01), Shattuck
patent: D142390 (1945-09-01), Olson et al.
patent: 2473690 (1949-06-01), Olson et al.
patent: D169266 (1953-04-01), Lehmann
patent: D215042 (1969-08-01), Di Spirito
patent: D355440 (1995-02-01), Lin
patent: D355441 (1995-02-01), Rosenbaum
patent: D389864 (1998-01-01), Jones et al.
patent: D417698 (1999-12-01), Tsuchida
patent: D449339 (2001-10-01), Chan
patent: D452271 (2001-12-01), Owen et al.
patent: D463492 (2002-09-01), Kramer et al.

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