Protractor (rotating angle measuring teaching aid)

CN310070688SActive Publication Date: 2026-07-03冉高雁
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
冉高雁
Filing Date
2025-12-31
Publication Date
2026-07-03

Smart Images

  • Figure 000007_ABST
    Figure 000007_ABST
Patent Text Reader

Abstract

1. Name of the product in this design: Protractor (Rotating Angle Measuring Teaching Aid). 2. Purpose of this design: It is used for a protractor and is a mathematical teaching tool. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
Need to check novelty before this filing date? Find Prior Art