USD346981SExpiredUtility

Smoke detector

86
Assignee: MANAGEMENT INVESTMENT & TECH LTDPriority: Jan 29, 1992Filed: Jan 29, 1992Granted: May 17, 1994
Est. expiryJan 29, 2012(expired)· nominal 20-yr term from priority
Inventors:Larry R. Ratzlaff
86
PatentIndex Score
35
Cited by
5
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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