USD273392SExpiredUtility

Electronic calculator

Assignee: SHARP KKPriority: Sep 30, 1981Filed: Mar 24, 1982Granted: Apr 10, 1984
Est. expirySep 30, 2001(expired)· nominal 20-yr term from priority
Inventors:Keiji Sakata
75
PatentIndex Score
13
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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