Electronic calculating pen

Details Electronic calculating pen Electronic calculating pen

2006-08-22

2006-08-22

Albert, Elizabeth A. (Department: 2913)

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Plural or combined

Design Patent

active

D0527049

CLAIM:
The ornamental design for a electronic calculating pen, as shown and described.

REFERENCES:
patent: D140151 (1945-01-01), Einter
patent: 4141073 (1979-02-01), Tan
patent: D366498 (1996-01-01), Abe et al.
patent: D377051 (1996-12-01), Takemura
patent: D379473 (1997-05-01), DeLorenzo et al.
patent: D418163 (1999-12-01), Rosen
patent: 6104603 (2000-08-01), Wang
patent: D469694 (2003-02-01), Lerolle
patent: D513767 (2006-01-01), Bhavnani

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