USD275187SExpiredUtility

Smoke detector

83
Assignee: GATEWAY SCIENT INCPriority: Aug 19, 1982Filed: Aug 19, 1982Granted: Aug 21, 1984
Est. expiryAug 19, 2002(expired)· nominal 20-yr term from priority
Inventors:John S. Skarman
83
PatentIndex Score
20
Cited by
3
References
1
Claims

Claims

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

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