USD339756SExpiredUtility

Smoke detector

81
Assignee: NOHMI BOSAI LTDPriority: Dec 19, 1990Filed: Apr 5, 1991Granted: Sep 28, 1993
Est. expiryDec 19, 2010(expired)· nominal 20-yr term from priority
Inventors:Yoshinori IgarashiToru SasakiYasuo ArigaIchirou KobayashiKentaro Higashi
81
PatentIndex Score
24
Cited by
5
References
1
Claims

Claims

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

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