USD406074SExpiredUtility

Electronic siren

Assignee: ALERTEK CORPPriority: May 13, 1998Filed: Jun 9, 1998Granted: Feb 23, 1999
Est. expiryMay 13, 2018(expired)· nominal 20-yr term from priority
Inventors:Hsin-Kai Hu
27
PatentIndex Score
3
Cited by
4
References
1
Claims

Claims

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

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