USD507836SExpiredUtility
Adjustable ladder leveling extension
Priority: Jun 10, 2004Filed: Jun 10, 2004Granted: Jul 26, 2005
Est. expiryJun 10, 2024(expired)· nominal 20-yr term from priority
Inventors:Harry J. Campbell
35
PatentIndex Score
3
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for an adjustable ladder leveling extension, as shown.
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