Manhole cover (anti-fall hook manhole cover)
CN309938922SActive Publication Date: 2026-04-21朱伟杰
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- 朱伟杰
- Filing Date
- 2025-10-15
- Publication Date
- 2026-04-21
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Figure 000005_ABST
Abstract
1. Name of the product in this design: Manhole cover (anti-fall hook manhole cover). 2. Purpose of this design: Manhole covers in municipal engineering projects to prevent people or objects from falling in. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
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