USD1072281SActiveUtility

Extension ladder

87
Assignee: HU QIULANPriority: Dec 30, 2024Filed: Jan 14, 2025Granted: Apr 22, 2025
Est. expiryDec 30, 2044(~18.4 yrs left)· nominal 20-yr term from priority
Inventors:Qiulan Hu
87
PatentIndex Score
8
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an extension ladder as shown and described.

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