USD319798SExpiredUtility

Fire detector

Assignee: NITTAN CO LTDPriority: Jun 6, 1988Filed: Jun 6, 1988Granted: Sep 10, 1991
Est. expiryJun 6, 2008(expired)· nominal 20-yr term from priority
Inventors:Hisashi Hatano
86
PatentIndex Score
25
Cited by
4
References
1
Claims

Claims

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

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