USD443700SExpiredUtility
Auxiliary ladder step
Priority: Jul 24, 2000Filed: Jul 24, 2000Granted: Jun 12, 2001
Est. expiryJul 24, 2020(expired)· nominal 20-yr term from priority
Inventors:Dale Rooney
27
PatentIndex Score
6
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an auxiliary ladder step, as shown and described.
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