Electronic calculator

Details Electronic calculator Electronic calculator

2005-09-06

2005-09-06

Veynar, Caron D. (Department: 2913)

Printing and office machinery

Typewriter or calculator

Calculator

Design Patent

active

D0509238

CLAIM:
The ornamental design for an electronic calculator, as shown and described.

REFERENCES:
patent: D243250 (1977-02-01), Hazama
patent: D273303 (1984-04-01), Sakamoto
patent: D309623 (1990-07-01), Sawada et al.
patent: D317458 (1991-06-01), Sawada et al.
patent: D317618 (1991-06-01), Sawada et al.
patent: D354478 (1995-01-01), Miyahara
patent: D362266 (1995-09-01), Matsuda
patent: D373783 (1996-09-01), Ota et al.
patent: D437351 (2001-02-01), Chang et al.
patent: D488500 (2004-04-01), Matsuda et al.

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