USD408311SExpiredUtility

Audible signal for alarm units

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Assignee: STAR MFG COPriority: Mar 5, 1997Filed: Sep 5, 1997Granted: Apr 20, 1999
Est. expiryMar 5, 2017(expired)· nominal 20-yr term from priority
Inventors:Takahiro SoneYoshio Imahori
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PatentIndex Score
2
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4
References
1
Claims

Claims

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

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