USD308758SExpiredUtility
Combined alarm and key ring
Individually held — no corporate assignee on recordPriority: Apr 11, 1988Filed: Apr 11, 1988Granted: Jun 26, 1990
Est. expiryApr 11, 2008(expired)· nominal 20-yr term from priority
Inventors:Tseng-Lu Chien
91
PatentIndex Score
31
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined alarm and key ring, as shown.
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