USD309623SExpiredUtility

Electronic calculator

84
Assignee: SHARP KKPriority: Jun 22, 1987Filed: Dec 9, 1987Granted: Jul 31, 1990
Est. expiryJun 22, 2007(expired)· nominal 20-yr term from priority
Inventors:Masaji SawadaKatsuhiro IidaToshiya Takahashi
84
PatentIndex Score
21
Cited by
3
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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