Noise-canceling earplugs (JK-621)
CN309424172SActive Publication Date: 2025-08-05陈启照
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Patent Information
- Application Number
- CN202430779660.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2039-12-09
Smart Images
Figure 000007_ABST
Abstract
1. Name of the product of this design: Noise-canceling earplugs (JK‑621). 2. The purpose of this design product: used for noise reduction and noise insulation. 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: three-dimensional picture.
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