USD307291SExpiredUtility

Electronic calculator

48
Assignee: CASIO COMPUTER CO LTDPriority: Jul 7, 1987Filed: Jul 7, 1987Granted: Apr 17, 1990
Est. expiryJul 7, 2007(expired)· nominal 20-yr term from priority
Inventors:Yukihiko Ida
48
PatentIndex Score
5
Cited by
5
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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