USD301308SExpiredUtility
Educational clock
Individually held — no corporate assignee on recordPriority: Apr 14, 1986Filed: Apr 14, 1986Granted: May 30, 1989
Est. expiryApr 14, 2006(expired)· nominal 20-yr term from priority
Inventors:Deborah S. Ray
49
PatentIndex Score
11
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a educational clock, as shown and described.
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