Connecting sleeve for extension ladder
The broken lines illustrate portions of the connecting sleeve for extension ladder that form no part of the claimed design. The broken line showing of the extension ladder in
Claims
The ornamental design for a connecting sleeve for extension ladder, as shown and described.
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Type: Grant
Filed: May 24, 2023
Date of Patent: Nov 11, 2025
Assignee: BESMETA (NINGBO) INTERNATIONAL TRADE CO., LTD. (Zhejiang)
Inventor: Jing Wang (Zhejiang)
Primary Examiner: T Chase Nelson
Assistant Examiner: Sydney Margaret Parsley
Application Number: 29/892,953