CN201812392U - 新型黑板 - Google Patents
新型黑板 Download PDFInfo
- Publication number
- CN201812392U CN201812392U CN2010201125567U CN201020112556U CN201812392U CN 201812392 U CN201812392 U CN 201812392U CN 2010201125567 U CN2010201125567 U CN 2010201125567U CN 201020112556 U CN201020112556 U CN 201020112556U CN 201812392 U CN201812392 U CN 201812392U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201125567U CN201812392U (zh) | 2010-02-11 | 2010-02-11 | 新型黑板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201125567U CN201812392U (zh) | 2010-02-11 | 2010-02-11 | 新型黑板 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201812392U true CN201812392U (zh) | 2011-04-27 |
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ID=43895331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201125567U Expired - Fee Related CN201812392U (zh) | 2010-02-11 | 2010-02-11 | 新型黑板 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201812392U (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014048064A1 (zh) * | 2012-09-29 | 2014-04-03 | Li Keqiang | 电子教学系统 |
| CN104731404A (zh) * | 2014-12-10 | 2015-06-24 | 朱云 | 新型黑板 |
-
2010
- 2010-02-11 CN CN2010201125567U patent/CN201812392U/zh not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014048064A1 (zh) * | 2012-09-29 | 2014-04-03 | Li Keqiang | 电子教学系统 |
| CN104731404A (zh) * | 2014-12-10 | 2015-06-24 | 朱云 | 新型黑板 |
| CN104731404B (zh) * | 2014-12-10 | 2018-03-06 | 朱云 | 新型黑板 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 102200 Beijing city Changping District Street Lombardy Hutong No. 11 Patentee after: Zhu Yun Address before: 102200, building 5, building 9, Changping politics and Law University, Beijing 302, China Patentee before: Zhu Yun |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhu Yun Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20150211 |
|
| EXPY | Termination of patent right or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20150522 Decision number of declaring invalidation: 25842 Granted publication date: 20110427 |