Pocket calculators

Printing and office machinery – Typewriter or calculator – Calculator

Design Patent

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Design Patent

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D0578153

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

REFERENCES:
patent: D294152 (1988-02-01), Kuo
patent: D398627 (1998-09-01), Leung
patent: D441393 (2001-05-01), Chan
patent: D442619 (2001-05-01), Fong
patent: D508071 (2005-08-01), Wang
patent: D529535 (2006-10-01), Suzuki

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