Oval-shaped drain assembly to prevent backflow of odors.

CN309576653SActive Publication Date: 2025-10-31韩春富
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Patent Information

Application Number
CN202530089637.1
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2025-10-31
Estimated Expiration
2040-02-28

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Abstract

1. Name of the product in this design: Odor-proof drain (oval). 2. Purpose of this design: A drain fixture designed to prevent backflow of odors. 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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