USD265919SExpiredUtility
Square puzzle
Individually held — no corporate assignee on recordPriority: Jun 28, 1977Filed: Dec 23, 1977Granted: Aug 24, 1982
Est. expiryJun 28, 1997(expired)· nominal 20-yr term from priority
Inventors:Klaus W. Spiecker
73
PatentIndex Score
21
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a square puzzle, as shown and described.
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