USD314719SExpiredUtility

Heat and smoke detector

70
Assignee: FIGGIE INT INCPriority: Nov 21, 1988Filed: Nov 21, 1988Granted: Feb 19, 1991
Est. expiryNov 21, 2008(expired)· nominal 20-yr term from priority
Inventors:John Gardner
70
PatentIndex Score
13
Cited by
5
References
1
Claims

Claims

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

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