CN203704911U - 一种新型沉降观测点保护装置 - Google Patents
一种新型沉降观测点保护装置 Download PDFInfo
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- CN203704911U CN203704911U CN201320716024.8U CN201320716024U CN203704911U CN 203704911 U CN203704911 U CN 203704911U CN 201320716024 U CN201320716024 U CN 201320716024U CN 203704911 U CN203704911 U CN 203704911U
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CN201320716024.8U CN203704911U (zh) | 2013-11-14 | 2013-11-14 | 一种新型沉降观测点保护装置 |
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CN201320716024.8U CN203704911U (zh) | 2013-11-14 | 2013-11-14 | 一种新型沉降观测点保护装置 |
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CN203704911U true CN203704911U (zh) | 2014-07-09 |
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CN201320716024.8U Expired - Fee Related CN203704911U (zh) | 2013-11-14 | 2013-11-14 | 一种新型沉降观测点保护装置 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161213 Address after: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Patentee after: Beijing Aerospace Geotechnical Engineering Institute Co., Ltd. Patentee after: China Aerospace Construction Group Co., Ltd. Patentee after: Beijing Aerospace Foundation Engineering Co., Ltd. Address before: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Patentee before: Beijing Aerospace Geotechnical Engineering Institute Co., Ltd. Patentee before: China Aerospace Construction Group Co., Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20180226 Address after: 100071 Beijing city Fengtai District watch Dan No. four, No. 6 Patentee after: Beijing Aerospace Foundation Engineering Co., Ltd. Address before: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Co-patentee before: China Aerospace Construction Group Co., Ltd. Patentee before: Beijing Aerospace Geotechnical Engineering Institute Co., Ltd. Co-patentee before: Beijing Aerospace Foundation Engineering Co., Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20191114 |
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CF01 | Termination of patent right due to non-payment of annual fee |