USD311348SExpiredUtility

Talking smoke detector

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Assignee: PIONEER DATA CORPPriority: Aug 12, 1988Filed: Aug 12, 1988Granted: Oct 16, 1990
Est. expiryAug 12, 2008(expired)· nominal 20-yr term from priority
Inventors:Louis L. MastroKenneth R. Parker
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PatentIndex Score
3
Cited by
4
References
1
Claims

Claims

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

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