1.-2. Extension tube for vacuum cleaner
WO244472SActive Publication Date: 2025-03-07BEIJING ROCKROBO TECH CO LTD
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Patent Information
- Application Number
- WO244472
- Authority / Receiving Office
- WO · WO
- Patent Type
- Designs
- Current Assignee / Owner
- Priority Date
- 2024-11-25
- Filing Date
- 2025-02-08
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2050-02-08
Smart Images

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Abstract
1. Reproductions 1.1 to 1.8 show a first extension tube for vacuum cleaner in a normal state, while reproductions 1.9 to 1.14 show an extension state of the first extension tube for vacuum cleaner; reproductions 2.1 to 2.8 show a second extension tube for vacuum cleaner in a normal state, while reproductions 2.9 to 2.14 show an extension state of the second extension tube for vacuum cleaner; the broken lines in reproductions 1.1 to 1.14 depict portions of the first extension tube for vacuum cleaner that form no part of the claimed design.
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