USD488085SExpiredUtility

Whistle

Priority: Feb 25, 2003Filed: Feb 25, 2003Granted: Apr 6, 2004
Est. expiryFeb 25, 2023(expired)· nominal 20-yr term from priority
Inventors:Chin-San Cheng
47
PatentIndex Score
8
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a whistle, as shown and described.

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