USD429272SExpiredUtility
Combination calculator and world-time calendar
Est. expiryJul 1, 2019(expired)· nominal 20-yr term from priority
Inventors:William H. K. Chu
41
PatentIndex Score
4
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combination calculator and world-time calendar, as shown and described.
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