Multi-function pen

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Plural or combined

Design Patent

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Details

CD19S043000, CD19S050000, CD19S056000

Design Patent

active

D0461204

CLAIM:
The ornamental design for a multi-function pen, as shown and described.

REFERENCES:
patent: 2100647 (1937-11-01), Karl et al.
patent: D139903 (1945-01-01), Baff
patent: D179053 (1956-10-01), Baker
patent: D182162 (1958-02-01), Carreiro
patent: D337350 (1993-07-01), Wong
patent: D339606 (1993-09-01), Podobrin
patent: D400579 (1998-11-01), Ham
patent: D416042 (1999-11-01), Burkhardt, Jr.
patent: D418872 (2000-01-01), Leibeck
patent: D439613 (2001-03-01), Ham
patent: D453792 (2002-02-01), Tung

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