manhole cover

CN310150222SActive Publication Date: 2026-08-14QINGDAO CHINA SHIPPING MARINE ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2026-05-22
Publication Date
2026-08-14

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Abstract

1. Name of the product in this design: Manhole Cover. 2. Purpose of this design: Manhole cover for road sewers. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.
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