learning dedicated sleeve rule
CN309582081SActive Publication Date: 2025-11-04LUO HE SHI SAN YE WEN HUA YONG PIN YOU XIAN ZE REN GONG SI
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Patent Information
- Application Number
- CN202530139422.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2040-03-20
Smart Images
Figure 000007_ABST
Abstract
1. The name of the design product: learning special set ruler. 2. The use of the design product: for learning, drawing, measuring. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best indicates the design points: set 1 perspective view. 5. Other circumstances that need to be explained: set 1 is a ruler, set 2 is a protractor, set 3 is a right triangle, set 4 is an isosceles right triangle.
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