well lid (municipal engineering)

CN309718394SActive Publication Date: 2026-01-02申开炳
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Patent Information

Application Number
CN202530430225.X
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-07-23
Publication Date
2026-01-02
Estimated Expiration
2040-07-23

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Abstract

1. The name of the design product: manhole cover (municipal engineering). 2. The use of the design product: the design product is used for manhole cover of municipal engineering. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.
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