USD246443SExpiredUtility
Combined fire and smoke alarm
Est. expiryJul 14, 1996(expired)· nominal 20-yr term from priority
Inventors:Robert O. Ernest
62
PatentIndex Score
7
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined fire and smoke alarm, as shown and described.
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