letter sorting slot
CN309755129SActive Publication Date: 2026-01-27李蕊
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Patent Information
- Application Number
- CN202530377863.X
- 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 this design product: Letter Classification Format. 2. Purpose of this design: To support books upright, prevent them from falling or tilting, and facilitate retrieval. 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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