CN202304789U - 巷道顶板位移精确检测装置 - Google Patents
巷道顶板位移精确检测装置 Download PDFInfo
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- CN202304789U CN202304789U CN2011204207309U CN201120420730U CN202304789U CN 202304789 U CN202304789 U CN 202304789U CN 2011204207309 U CN2011204207309 U CN 2011204207309U CN 201120420730 U CN201120420730 U CN 201120420730U CN 202304789 U CN202304789 U CN 202304789U
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CN2011204207309U CN202304789U (zh) | 2011-10-28 | 2011-10-28 | 巷道顶板位移精确检测装置 |
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Cited By (1)
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CN102519411A (zh) * | 2011-10-28 | 2012-06-27 | 中国矿业大学(北京) | 巷道顶板位移精确检测装置和方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102519411A (zh) * | 2011-10-28 | 2012-06-27 | 中国矿业大学(北京) | 巷道顶板位移精确检测装置和方法 |
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Legal Events
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: FINLAY COAL DRESSING ENGINEERING TECHNOLOGY (BEIJI Free format text: FORMER OWNER: CHINA UNIVERSITY OF MINING + TECHNOLOGY, BEIJING Effective date: 20121010 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 100083 HAIDIAN, BEIJING TO: 100004 CHAOYANG, BEIJING |
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TR01 | Transfer of patent right |
Effective date of registration: 20121010 Address after: 100004 Beijing city Chaoyang District Wai Street, No. 19 International Building, 28 floor Patentee after: Finlay Coal Dressing Engineering Technology (Beijing) Co., Ltd. Address before: 100083 Beijing City, Haidian District Institute of China University of Mining and Technology No. 11 Ludwig Patentee before: China University of Mining & Technology, Beijing |
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TR01 | Transfer of patent right |
Effective date of registration: 20180628 Address after: 100083 China University of Mining and Technology, Beijing, Haidian District 11 Patentee after: China University of Mining & Technology, Beijing Address before: 100004 28 International Building, International Building 19, Jian Wai Street, Chaoyang District, Beijing. Patentee before: Finlay Coal Dressing Engineering Technology (Beijing) Co., Ltd. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20181028 |
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CF01 | Termination of patent right due to non-payment of annual fee |