Manhole covers (invisible manhole covers for the visually impaired)

CN309938932SActive Publication Date: 2026-04-21BAODING HUAGUANG MUNICIPAL BUILDING MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
BAODING HUAGUANG MUNICIPAL BUILDING MATERIALS CO LTD
Filing Date
2025-10-22
Publication Date
2026-04-21

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Abstract

1. Name of this design product: Manhole cover (tactile paving concealed manhole cover). 2. Purpose of this design: For use as a manhole cover. 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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