CN201769544U - 一种教学黑板 - Google Patents
一种教学黑板 Download PDFInfo
- Publication number
- CN201769544U CN201769544U CN2010202448984U CN201020244898U CN201769544U CN 201769544 U CN201769544 U CN 201769544U CN 2010202448984 U CN2010202448984 U CN 2010202448984U CN 201020244898 U CN201020244898 U CN 201020244898U CN 201769544 U CN201769544 U CN 201769544U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- groove
- chalk dust
- hole
- brush holder
- 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 - Fee Related
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- Drawing Aids And Blackboards (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202448984U CN201769544U (zh) | 2010-06-30 | 2010-06-30 | 一种教学黑板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202448984U CN201769544U (zh) | 2010-06-30 | 2010-06-30 | 一种教学黑板 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201769544U true CN201769544U (zh) | 2011-03-23 |
Family
ID=43749381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202448984U Expired - Fee Related CN201769544U (zh) | 2010-06-30 | 2010-06-30 | 一种教学黑板 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201769544U (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469585A (zh) * | 2020-05-13 | 2020-07-31 | 陈军 | 一种教学设备 |
-
2010
- 2010-06-30 CN CN2010202448984U patent/CN201769544U/zh not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469585A (zh) * | 2020-05-13 | 2020-07-31 | 陈军 | 一种教学设备 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ANHUI ANLIAN EDUCATION EQUIPMENT CO., LTD. Effective date: 20140923 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140923 Address after: Kangfulu Jinghu District 241000 Anhui city of Wuhu province No. 99 Room 201 Patentee after: Li Kuanhong Patentee after: Anhui Anlian Education Equipment Co., Ltd. Address before: Kangfulu Jinghu District 241000 Anhui city of Wuhu province No. 99 Room 201 Patentee before: Li Kuanhong |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20160630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |