CN202422503U - 数学教学演示器械 - Google Patents
数学教学演示器械 Download PDFInfo
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- CN202422503U CN202422503U CN201220040080XU CN201220040080U CN202422503U CN 202422503 U CN202422503 U CN 202422503U CN 201220040080X U CN201220040080X U CN 201220040080XU CN 201220040080 U CN201220040080 U CN 201220040080U CN 202422503 U CN202422503 U CN 202422503U
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CN201220040080XU CN202422503U (zh) | 2012-02-06 | 2012-02-06 | 数学教学演示器械 |
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CN201220040080XU CN202422503U (zh) | 2012-02-06 | 2012-02-06 | 数学教学演示器械 |
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CN201220040080XU Expired - Fee Related CN202422503U (zh) | 2012-02-06 | 2012-02-06 | 数学教学演示器械 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103093677A (zh) * | 2013-02-14 | 2013-05-08 | 江南大学 | 防油污光具座导轨 |
CN104019126A (zh) * | 2014-06-17 | 2014-09-03 | 江南大学 | 一种导轨及滑座 |
CN106601087A (zh) * | 2016-12-23 | 2017-04-26 | 河南科技学院 | 一种物理实验教学装置 |
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2012
- 2012-02-06 CN CN201220040080XU patent/CN202422503U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103093677A (zh) * | 2013-02-14 | 2013-05-08 | 江南大学 | 防油污光具座导轨 |
CN104019126A (zh) * | 2014-06-17 | 2014-09-03 | 江南大学 | 一种导轨及滑座 |
CN106601087A (zh) * | 2016-12-23 | 2017-04-26 | 河南科技学院 | 一种物理实验教学装置 |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HEILONGJIANG INSTITUTE OF TECHNOLOGY Free format text: FORMER OWNER: YANG XIAOLEI Effective date: 20121123 Free format text: FORMER OWNER: LIANG YANNAN LI BIN YANG DAHENG XU LINGLING Effective date: 20121123 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121123 Address after: 150050 Heilongjiang province Harbin Daowai District, Hongqi Street, No. 999 Patentee after: Heilongjiang Institute of Technology Address before: 150050 Heilongjiang Academy of Engineering, 999 Hongqi Avenue, Daowai District, Heilongjiang, Harbin Patentee before: Yang Xiaolei Patentee before: Liang Yannan Patentee before: Li Bin Patentee before: Yang Daheng Patentee before: Xu Lingling |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20150206 |
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EXPY | Termination of patent right or utility model |