USD247225SExpiredUtility
Tooth-shaped sand timer
Individually held — no corporate assignee on recordPriority: May 24, 1976Filed: May 24, 1976Granted: Feb 14, 1978
Est. expiryMay 24, 1996(expired)· nominal 20-yr term from priority
Inventors:Edward K. Beckwith
63
PatentIndex Score
9
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a tooth-shaped sand timer, as shown and described.
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