USD273201SExpiredUtility

Electronic calculator

77
Assignee: SHARP KKPriority: Jul 3, 1981Filed: Dec 23, 1981Granted: Mar 27, 1984
Est. expiryJul 3, 2001(expired)· nominal 20-yr term from priority
Inventors:Keiji Sakata
77
PatentIndex Score
14
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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