USD312833SExpiredUtility

Electronic calculator

65
Assignee: CASIO COMPUTER CO LTDPriority: Feb 6, 1987Filed: Jun 15, 1987Granted: Dec 11, 1990
Est. expiryFeb 6, 2007(expired)· nominal 20-yr term from priority
Inventors:Naoki Kobayashi
65
PatentIndex Score
10
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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