USD502421SExpiredUtility

Whistle

Priority: Jun 15, 2004Filed: Jun 15, 2004Granted: Mar 1, 2005
Est. expiryJun 15, 2024(expired)· nominal 20-yr term from priority
Inventors:Chin-San Cheng
56
PatentIndex Score
12
Cited by
6
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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