USD490163SExpiredUtility
Ladder construction
Priority: Jan 3, 2003Filed: Jun 24, 2003Granted: May 18, 2004
Est. expiryJan 3, 2023(expired)· nominal 20-yr term from priority
Inventors:Glenn Thurston
88
PatentIndex Score
50
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for a ladder construction, as shown.
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