USD413989SExpiredUtility
Stackable step
Individually held — no corporate assignee on recordPriority: Dec 18, 1998Filed: Dec 18, 1998Granted: Sep 14, 1999
Est. expiryDec 18, 2018(expired)· nominal 20-yr term from priority
Inventors:David Dupont
58
PatentIndex Score
16
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for a stackable step, as shown and described.
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