Teaching megaphone

CN309341459SActive Publication Date: 2025-06-17徐卫琴
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Patent Information

Application Number
CN202430681185.1
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-06-17
Estimated Expiration
2039-10-29

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Abstract

1. Name of the design product: Teaching megaphone. 2. Use of the design product: As an amplification device for increasing the teacher's voice volume during teaching. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view 1.
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