Ball point pen

Details Ball point pen Ball point pen

2006-07-18

2006-07-18

Spear, Robert M. (Department: 2916)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

Design Patent

active

D0525301

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

REFERENCES:
patent: D215042 (1969-08-01), Di Spirito
patent: D270843 (1983-10-01), Itoh
patent: D398934 (1998-09-01), Veillon
patent: D471930 (2003-03-01), Stropkay et al.
patent: D483067 (2003-12-01), Takanashi
patent: D500080 (2004-12-01), Katami

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