Range hood check valve (through the wall)
CN309126782SActive Publication Date: 2025-02-18陈威
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Patent Information
- Application Number
- CN202430430090.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2039-07-10
Smart Images
Figure 000001_ABST
Abstract
1. The name of this design product: Range hood check valve (through-wall). 2. Purpose of this design product: It is a wall-penetrating smoke exhaust check valve for range hoods to prevent backflow, rain, mosquitoes, rats and birds. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
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