USD412296SExpiredUtility

Photoelectric smoke detector

43
Assignee: HOCHIKI COPriority: Jun 17, 1998Filed: Nov 12, 1998Granted: Jul 27, 1999
Est. expiryJun 17, 2018(expired)· nominal 20-yr term from priority
Inventors:Yoshimi Kawabata
43
PatentIndex Score
5
Cited by
3
References
1
Claims

Claims

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

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