USD405470SExpiredUtility
Learning clock
Individually held — no corporate assignee on recordPriority: Oct 27, 1997Filed: Oct 27, 1997Granted: Feb 9, 1999
Est. expiryOct 27, 2017(expired)· nominal 20-yr term from priority
Inventors:Peter A. Messina
63
PatentIndex Score
18
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a learning clock, as shown and described.
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