Simple single-bead up-and-down abacus
CN310155932SActive Publication Date: 2026-08-18EASTERN GANSU UNIVERSITY
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Patent Information
- Application Number
- CN202630101172.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2026-03-07
- Publication Date
- 2026-08-18
- Estimated Expiration
- 2041-03-07
Smart Images
Figure 000007_ABST
Abstract
1. Name of the product in this design: Simple single-bead up-and-down abacus. 2. Purpose of this design: A simple abacus for elementary school math calculations, using a single bead that moves up and down. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 2.
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