USD267209SExpiredUtility
Twin lock key ring
Individually held — no corporate assignee on recordPriority: Dec 11, 1980Filed: Dec 11, 1980Granted: Dec 14, 1982
Est. expiryDec 11, 2000(expired)· nominal 20-yr term from priority
Inventors:Hanns W. Beier
49
PatentIndex Score
5
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a twin lock key ring, as shown and described.
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