blackboard eraser
CN309755213SActive Publication Date: 2026-01-27张元羿
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Patent Information
- Application Number
- CN202530341630.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-13
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2040-06-13
Smart Images
Figure 000008_ABST
Abstract
1. Name of the product in this design: Blackboard Eraser. 2. Purpose of this design: For erasing blackboards. 3. The key design feature of this product is its shape. 4. The image or photo that best illustrates the design's key points: a split-state diagram.
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