USD339544SExpiredUtility

Audible signal for alarm units

Assignee: STAR MFG COPriority: Mar 6, 1992Filed: Aug 31, 1992Granted: Sep 21, 1993

Est. expiryMar 6, 2012(expired)· nominal 20-yr term from priority

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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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