USD253525SExpiredUtility

Smoke detector

84
Assignee: STATITROL DIV EMERSON ELECTRIC COPriority: Dec 7, 1977Filed: Dec 7, 1977Granted: Nov 27, 1979
Est. expiryDec 7, 1997(expired)· nominal 20-yr term from priority
Inventors:Kent Wilson
84
PatentIndex Score
28
Cited by
1
References
1
Claims

Claims

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

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