USD457650SExpiredUtility
Uneven surface ladder
Priority: Aug 8, 2001Filed: Aug 8, 2001Granted: May 21, 2002
Est. expiryAug 8, 2021(expired)· nominal 20-yr term from priority
Inventors:Gary W. Macduff
36
PatentIndex Score
9
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for an uneven surface ladder, as shown and described.
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