USD277836SExpiredUtility

Smoke alarm

50
Assignee: EMHART INDPriority: Jan 12, 1983Filed: Jan 12, 1983Granted: Mar 5, 1985
Est. expiryJan 12, 2003(expired)· nominal 20-yr term from priority
Inventors:Kenneth M. Hattori
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PatentIndex Score
4
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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