USD258642SExpiredUtility
Ring
Individually held — no corporate assignee on recordPriority: Feb 17, 1978Filed: Feb 17, 1978Granted: Mar 24, 1981
Est. expiryFeb 17, 1998(expired)· nominal 20-yr term from priority
Inventors:Walter B. Bartkowski
31
PatentIndex Score
4
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a ring, substantially as shown.
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