Ball point pen

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument

Design Patent

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Details

CD19S055000, CD19S056000

Design Patent

active

D0490851

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

REFERENCES:
patent: D228369 (1973-09-01), Longarzo
patent: D363084 (1995-10-01), Hollington
patent: 5558452 (1996-09-01), Oka et al.
patent: D375525 (1996-11-01), Gacia
patent: D418873 (2000-01-01), Shen
patent: D446243 (2001-08-01), Pellissa Beneyto
patent: D471931 (2003-03-01), Lecce

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