USD419904SExpiredUtility

Signal unit for an audible alarm

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Assignee: CITIZEN ELECTRONICSPriority: Apr 14, 1999Filed: Apr 14, 1999Granted: Feb 1, 2000
Est. expiryApr 14, 2019(expired)· nominal 20-yr term from priority
Inventors:Masato Asahina
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2
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1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a signal unit for an audible alarm, as shown and described.

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