USD258451SExpiredUtility

Portable calculator

Assignee: OLIVETTI & CO SPAPriority: Apr 14, 1978Filed: Oct 13, 1978Granted: Mar 3, 1981
Est. expiryApr 14, 1998(expired)· nominal 20-yr term from priority
Inventors:Mario Bellini
41
PatentIndex Score
2
Cited by
0
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable calculator, substantially as shown and described.

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