Electronic calculator

Details Electronic calculator Electronic calculator

2005-08-16

2005-08-16

Veynar, Caron D. (Department: 2913)

Printing and office machinery

Typewriter or calculator

Calculator

Design Patent

active

D0508520

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

REFERENCES:
patent: D226197 (1973-01-01), Liljenwall
patent: D227472 (1973-06-01), Hikawa
patent: D246042 (1977-10-01), Fossella et al.
patent: D256924 (1980-09-01), Ohie et al.
patent: D289413 (1987-04-01), Endo et al.
patent: D294151 (1988-02-01), Kuo
patent: D298547 (1988-11-01), Yoshioka et al.
patent: D309748 (1990-08-01), Kobayashi
patent: D322088 (1991-12-01), Sawada et al.
patent: D369616 (1996-05-01), Yurkovic
patent: D394079 (1998-05-01), Leung
patent: D468761 (2003-01-01), Mizusugi
patent: D477625 (2003-07-01), Hsu

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