CN204856984U - Box is measured to teaching dedicated air - Google Patents
Box is measured to teaching dedicated air Download PDFInfo
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- CN204856984U CN204856984U CN201520659737.4U CN201520659737U CN204856984U CN 204856984 U CN204856984 U CN 204856984U CN 201520659737 U CN201520659737 U CN 201520659737U CN 204856984 U CN204856984 U CN 204856984U
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Application Number | Priority Date | Filing Date | Title |
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CN201520659737.4U CN204856984U (en) | 2015-08-29 | 2015-08-29 | Box is measured to teaching dedicated air |
Applications Claiming Priority (1)
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CN201520659737.4U CN204856984U (en) | 2015-08-29 | 2015-08-29 | Box is measured to teaching dedicated air |
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CN204856984U true CN204856984U (en) | 2015-12-09 |
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CN201520659737.4U Expired - Fee Related CN204856984U (en) | 2015-08-29 | 2015-08-29 | Box is measured to teaching dedicated air |
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CN (1) | CN204856984U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110139003A (en) * | 2018-05-25 | 2019-08-16 | 深圳信息职业技术学院 | A kind of portable teacher difficult point education informations collector |
CN112289100A (en) * | 2019-07-25 | 2021-01-29 | 上海力本规划建筑设计有限公司 | Smart classroom system |
-
2015
- 2015-08-29 CN CN201520659737.4U patent/CN204856984U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110139003A (en) * | 2018-05-25 | 2019-08-16 | 深圳信息职业技术学院 | A kind of portable teacher difficult point education informations collector |
CN112289100A (en) * | 2019-07-25 | 2021-01-29 | 上海力本规划建筑设计有限公司 | Smart classroom system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Xiangze Inventor before: Gu Wei |
|
CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170426 Address after: 570208 Hainan Province, Haikou City Meilan District Heping Road three cross road Bixiling yuan villa building A7 Patentee after: Hainan Taihe Hongding Industrial Co. Ltd. Address before: 224600 Jiangsu province Yancheng City Xiangshui County town of Xiangshui River irrigation hit off center Patentee before: XIANGSHUI ZHICHENG INTELLECTUAL PROPERTY INFORMATION SERVICE CO., LTD. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20170829 |
|
CF01 | Termination of patent right due to non-payment of annual fee |