Telescopic teaching rod pen

CN309755338SActive Publication Date: 2026-01-27ZHEJIANG OCEAN UNIV
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Patent Information

Application Number
CN202530376584.1
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-06-29
Publication Date
2026-01-27
Estimated Expiration
2040-06-29

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Abstract

1. Name of the product in this design: Retractable Teaching Rod Pen. 2. Purpose of this design: A teaching aid used for instruction and teaching. 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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