Calculator

Printing and office machinery – Typewriter or calculator – Calculator

Design Patent

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Design Patent

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D0501666

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

REFERENCES:
patent: 4165554 (1979-08-01), Faget
patent: D259722 (1981-06-01), Fuller et al.
patent: D312833 (1990-12-01), Kobayashi
patent: 5530234 (1996-06-01), Loh et al.
patent: D426849 (2000-06-01), Lee
patent: D436985 (2001-01-01), Chan

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