USD300725SExpiredUtility

Sand timer

54
Assignee: LIN ANDERSONPriority: Mar 10, 1986Filed: Mar 10, 1986Granted: Apr 18, 1989
Est. expiryMar 10, 2006(expired)· nominal 20-yr term from priority
Inventors:Anderson Lin
54
PatentIndex Score
7
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a sand timer, as shown.

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