CN302511253S - 钢琴学习机 - Google Patents
钢琴学习机Info
- Publication number
- CN302511253S CN302511253S CN201330076400.7 CN302511253S CN 302511253 S CN302511253 S CN 302511253S CN 302511253 S CN302511253 S CN 302511253S
- Authority
- CN
- China
- Prior art keywords
- design
- learning machine
- piano learning
- product
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Abstract
1.本外观设计产品的名称：钢琴学习机。2.本外观设计产品的用途：用于按键指示和指法练习。3.本外观设计的设计要点：在于产品的形状。4.最能表明设计要点的图片或照片：主视图。
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN302511253S true CN302511253S (zh) | 2013-07-24 |
Family
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 Main classification number: 19-07 |
|
| DD01 | Delivery of document by public notice |
Addressee: BEI JING QU LE TECHNOLOGY Co.,Ltd. Person in charge of patentsThe principal of patent Document name: Notice of Termination of Patent Rights Main classification number: 19-07 |