Calculator

Printing and office machinery – Typewriter or calculator – Calculator

Design Patent

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Details

CD14S401000

Design Patent

active

D0585931

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

REFERENCES:
patent: D314193 (1991-01-01), Ishihara et al.
patent: D318869 (1991-08-01), Booty, Jr.
patent: D332961 (1993-02-01), Peersmann
patent: D359992 (1995-07-01), Chan
patent: D360436 (1995-07-01), Chan
patent: D362030 (1995-09-01), Chan
patent: D376180 (1996-12-01), Takahata et al.
patent: D414218 (1999-09-01), Chao
patent: D420355 (2000-02-01), Wicks et al.
patent: D476358 (2003-06-01), Shamoon
patent: D533213 (2006-12-01), Oas

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