USD440175SExpiredUtility

Siren

25
Assignee: ALERTEK CORPPriority: Dec 3, 1999Filed: Dec 3, 1999Granted: Apr 10, 2001
Est. expiryDec 3, 2019(expired)· nominal 20-yr term from priority
Inventors:Hsin-Kai Hu
25
PatentIndex Score
2
Cited by
5
References
1
Claims

Claims

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

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