compass

CN309604476SActive Publication Date: 2025-11-14张景
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Patent Information

Application Number
CN202530196923.8
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2025-11-14
Estimated Expiration
2040-04-14

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Abstract

1. Name of the product in this design: Compass. 2. Purpose of this design: A compass (teaching aid) for easy adjustment and insertion of chalk. 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.
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