USD452454SExpiredUtility

Siren speaker

Assignee: WHELEN ENGPriority: May 24, 2000Filed: May 24, 2000Granted: Dec 25, 2001

Est. expiryMay 24, 2020(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a siren speaker, as shown and described.

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