Ring binder (A4 notebook)
CN309811457SActive Publication Date: 2026-02-24常熟市琴川街道予言文创工作室
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Patent Information
- Application Number
- CN202530450310.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-31
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2040-07-31
Smart Images
Figure 000001_ABST
Abstract
1. Name of the product in this design: Loose-leaf binder (A4 notebook). 2. Purpose of this design: For use as a protective cover for loose-leaf notebooks. 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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