CN204012450U - 500kV架空输电线路分节组装式绝缘下线硬梯 - Google Patents
500kV架空输电线路分节组装式绝缘下线硬梯 Download PDFInfo
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- CN204012450U CN204012450U CN201420379441.2U CN201420379441U CN204012450U CN 204012450 U CN204012450 U CN 204012450U CN 201420379441 U CN201420379441 U CN 201420379441U CN 204012450 U CN204012450 U CN 204012450U
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CN201420379441.2U CN204012450U (zh) | 2014-07-10 | 2014-07-10 | 500kV架空输电线路分节组装式绝缘下线硬梯 |
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CN104201601A (zh) * | 2014-07-10 | 2014-12-10 | 国家电网公司 | 500kV架空输电线路分节组装式绝缘下线硬梯 |
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CN104201601A (zh) * | 2014-07-10 | 2014-12-10 | 国家电网公司 | 500kV架空输电线路分节组装式绝缘下线硬梯 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Zhi Inventor after: Zhou Yifeng Inventor after: Sun Qizhi Inventor after: Cheng Yong Inventor after: Xu Wei Inventor before: Wang Zhi Inventor before: Cheng Yong Inventor before: Xu Wei Inventor before: Zhou Yifeng Inventor before: Sun Qizhi |
|
COR | Change of bibliographic data | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee after: JIANGSU ELECTRIC POWER Co. Patentee after: State Grid Corporation of China Co-patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. MAINTENANCE BRANCH Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee before: JIANGSU ELECTRIC POWER Co. Patentee before: State Grid Corporation of China Co-patentee before: MAINTENANCE DIVISION OF STATE GRID JIANGSU ELECTRIC POWER Co. Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee after: JIANGSU ELECTRIC POWER Co. Patentee after: State Grid Corporation of China Co-patentee after: MAINTENANCE DIVISION OF STATE GRID JIANGSU ELECTRIC POWER Co. Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee before: JIANGSU ELECTRIC POWER Co. Patentee before: State Grid Corporation of China Co-patentee before: JIANGSU ELECTRIC POWER COMPANY MAINTENANCE BRANCH |
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CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20180710 |
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CF01 | Termination of patent right due to non-payment of annual fee |