USD297947SExpiredUtility

Electronic calculator

81
Assignee: SHARP KKPriority: Nov 28, 1985Filed: May 23, 1986Granted: Oct 4, 1988
Est. expiryNov 28, 2005(expired)· nominal 20-yr term from priority
Inventors:Takahisa YubisuiHiroshi SakaguchiKatsuhiro Iida
81
PatentIndex Score
19
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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