USD339998SExpiredUtility

Smoke detector

77
Assignee: NOHMI BOSAI LTDPriority: Dec 19, 1990Filed: Apr 5, 1991Granted: Oct 5, 1993
Est. expiryDec 19, 2010(expired)· nominal 20-yr term from priority
Inventors:Yoshinori IgarashiYasuo ArigaIchirou Kobayashi
77
PatentIndex Score
20
Cited by
5
References
1
Claims

Claims

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

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