USD437351SExpiredUtility

Calculator with perpetual calendar

48
Assignee: LIMAX ELECTRONICS CO LTDPriority: May 18, 2000Filed: May 18, 2000Granted: Feb 6, 2001
Est. expiryMay 18, 2020(expired)· nominal 20-yr term from priority
Inventors:Shu-Chia ChangWilliam H. K. Chu
48
PatentIndex Score
8
Cited by
9
References
1
Claims

Claims

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

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