USD258221SExpiredUtility

Combined digital clock and calculator

81
Assignee: CASSIA ELECTRONIC PRODUCTS LTDPriority: Oct 18, 1978Filed: Dec 18, 1978Granted: Feb 10, 1981
Est. expiryOct 18, 1998(expired)· nominal 20-yr term from priority
Inventors:Kenji Shimasaki
81
PatentIndex Score
19
Cited by
2
References
1
Claims

Claims

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

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