Press type ballpoint pen

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

Design Patent

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Details

CD19S056000

Design Patent

active

D0502507

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

REFERENCES:
patent: D189735 (1961-02-01), Platt
patent: D258219 (1981-02-01), Oka
patent: D418541 (2000-01-01), Mayer
patent: D465238 (2002-11-01), Qiu
patent: D478125 (2003-08-01), Chen
patent: D480423 (2003-10-01), Kung
patent: D487114 (2004-02-01), Santa Maria et al.

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