Mathematics teaching multi-function ruler

CN309794186SActive Publication Date: 2026-02-13周立伟
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Patent Information

Application Number
CN202530430605.3
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-07-23
Publication Date
2026-02-13
Estimated Expiration
2040-07-23

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Abstract

1. Name of the design product: multifunctional ruler for mathematics teaching. 2. Use of the design product: the design product is used for drawing in mathematics teaching. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.
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