USD331547SExpiredUtility

Fire detector

56
Assignee: NITTAN CO LTDPriority: Jun 4, 1990Filed: Oct 4, 1990Granted: Dec 8, 1992
Est. expiryJun 4, 2010(expired)· nominal 20-yr term from priority
Inventors:Akio OgawaKazuyuki Goto
56
PatentIndex Score
8
Cited by
3
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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