USD246542SExpiredUtility
Life ring
Individually held — no corporate assignee on recordPriority: May 21, 1976Filed: May 21, 1976Granted: Nov 29, 1977
Est. expiryMay 21, 1996(expired)· nominal 20-yr term from priority
Inventors:Evan B. Hull
50
PatentIndex Score
5
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a life ring, as shown.
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