Mathematical Scratch Board
CN309928620SActive Publication Date: 2026-04-17谢桂蓉
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- 谢桂蓉
- Filing Date
- 2025-09-19
- Publication Date
- 2026-04-17
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Figure 000001_ABST
Abstract
1. Name of the product in this design: Mathematical Calculation Board. 2. Purpose of this design: This design is used for mathematical calculations, formula retrieval, recording, and mathematics teaching. 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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