USD271287SExpiredUtility

Smoke detector

90
Assignee: PITTWAY CORPPriority: Apr 27, 1981Filed: Apr 27, 1981Granted: Nov 8, 1983
Est. expiryApr 27, 2001(expired)· nominal 20-yr term from priority
Inventors:Kenneth R. Fenne
90
PatentIndex Score
27
Cited by
2
References
1
Claims

Claims

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

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