USD664875SActiveUtility

Smoke alarm

60
Assignee: SUN CHANG LINPriority: Dec 15, 2010Filed: Jun 15, 2011Granted: Aug 7, 2012
Est. expiryDec 15, 2030(~4.4 yrs left)· nominal 20-yr term from priority
Inventors:Chang Lin SunZeng Tuan Xie
60
PatentIndex Score
12
Cited by
4
References
1
Claims

Claims

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

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