Stable load bearing manhole cover

CN309542451SActive Publication Date: 2025-10-14GUANGXI COLLEGE OF WATER RESOURCES & ELECTRIC POWER
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Patent Information

Application Number
CN202530105382.3
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2025-10-14
Estimated Expiration
2040-03-07

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Abstract

1. The name of the design product: stable force well lid. 2. The use of the design product: well lid for road sewer. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 2.
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