USD259271SExpiredUtility
Curling stone
Individually held — no corporate assignee on recordPriority: Aug 30, 1978Filed: Aug 30, 1978Granted: May 19, 1981
Est. expiryAug 30, 1998(expired)· nominal 20-yr term from priority
Inventors:Richard A. Kushnir
26
PatentIndex Score
3
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a curling stone, as shown.
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