Manhole cover fall prevention device(9)
CN309213284SInactive Publication Date: 2025-04-01SHANDONG LUYUAN ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information
- Application Number
- CN202430417311.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-04-01
- Estimated Expiration
- Not applicable · inactive patent
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Figure 000015_ABST
Abstract
1. The name of this design product: Manhole cover anti-fall device (9). 2. Purpose of this design product: used to prevent manhole covers from falling. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: reference picture.
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