Breathing valve protective cover for protective mask

CN309508119SActive Publication Date: 2025-09-19浙江南核安全科技有限公司
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Patent Information

Application Number
CN202530015757.7
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-09-19
Estimated Expiration
2040-01-10

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Abstract

1. The name of this design product: breathing valve protective cover for protective mask. 2. Purpose of this design product: This design product is used as a breathing valve protection device for protective masks. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.
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