USD283137SExpiredUtility

Combined calculator and protective case

Assignee: ZENGRANGE LTDPriority: Jan 25, 1983Filed: Jul 25, 1983Granted: Mar 25, 1986
Est. expiryJan 25, 2003(expired)· nominal 20-yr term from priority
66
PatentIndex Score
13
Cited by
7
References
1
Claims

Claims

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

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