Protractor (Mathematics)
CN309506174SActive Publication Date: 2025-09-19郭洁
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Patent Information
- Application Number
- CN202430821296.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2039-12-25
Smart Images
Figure 000007_ABST
Abstract
1. The name of this design product: Protractor (Mathematics). 2. Purpose of this design product: used as a protractor. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.
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