USD303121SExpiredUtility

Electronic calculator

56
Assignee: SHARP KKPriority: May 23, 1986Filed: Nov 21, 1986Granted: Aug 29, 1989
Est. expiryMay 23, 2006(expired)· nominal 20-yr term from priority
Inventors:Hiroshi SakaguchiKatsuhiro IidaToshiya Takahashi
56
PatentIndex Score
7
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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