USD306743SExpiredUtility

Electronic calculator

Assignee: CASIO COMPUTER CO LTDPriority: Dec 7, 1987Filed: Dec 7, 1987Granted: Mar 20, 1990
Est. expiryDec 7, 2007(expired)· nominal 20-yr term from priority
Inventors:Yuichi Onumata
41
PatentIndex Score
3
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electronic calculator, as shown and described.

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