USD245528SExpiredUtility
Butterfly puzzle
Individually held — no corporate assignee on recordPriority: Sep 17, 1975Filed: Sep 17, 1975Granted: Aug 23, 1977
Est. expirySep 17, 1995(expired)· nominal 20-yr term from priority
Inventors:Carol D. Milner
77
PatentIndex Score
27
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a butterfly puzzle, substantially as shown.
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