USD275936SExpiredUtility

Portable smoke detector

38
Individually held — no corporate assignee on recordPriority: Jun 17, 1981Filed: Jun 17, 1981Granted: Oct 16, 1984
Est. expiryJun 17, 2001(expired)· nominal 20-yr term from priority
Inventors:William F. Coyer
38
PatentIndex Score
5
Cited by
3
References
1
Claims

Claims

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

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