Multifunctional ruler
CN309172910SActive Publication Date: 2025-03-14郝金龙
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Patent Information
- Application Number
- CN202430506587.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-10
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2039-08-10
Smart Images
Figure 000007_ABST
Abstract
1. The name of this design product: multi-function ruler. 2. Purpose of this product: a ruler for primary school students in grades 1 to 6. 3. The design key point of this appearance design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: changing state diagram.
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