Mask exhalation valve
CN309758680SActive Publication Date: 2026-01-27阮东方
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202530378293.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-30
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2040-06-30
Smart Images
Figure 000007_ABST
Abstract
1. Name of the product in this design: Mask exhalation valve. 2. Purpose of this design: for use as an exhalation valve in a face mask. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
Need to check novelty before this filing date? Find Prior Art