Refill for 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

CD19S054000

Design Patent

active

D0454158

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

REFERENCES:
patent: D31670 (1899-10-01), Oberbeck
patent: D144474 (1946-04-01), Winslow
patent: D243014 (1977-01-01), Wittnebert
patent: D380046 (1997-06-01), Domanowski
patent: D401275 (1998-11-01), Otake
patent: D404764 (1999-01-01), Perry et al.
patent: D422024 (2000-03-01), Andrews et al.
patent: 6164855 (2000-12-01), Perry et al.
Ball-Point Pen Design, Product News, vol. 68 UB-150, Mitsubishi Pencil Co. Ltd.

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