Calculator

Printing and office machinery – Typewriter or calculator – Calculator

Design Patent

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Design Patent

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D0573630

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

REFERENCES:
patent: D245024 (1977-07-01), Genin
patent: D300539 (1989-04-01), Wong
patent: D314004 (1991-01-01), Ida
patent: D370472 (1996-06-01), Scianna
patent: D410440 (1999-06-01), Carnell
patent: D432560 (2000-10-01), Endrulat
patent: D532440 (2006-11-01), Oas

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