CN204668228U - 一种无电弧放电的直流高压开关 - Google Patents
一种无电弧放电的直流高压开关 Download PDFInfo
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- CN204668228U CN204668228U CN201520408910.3U CN201520408910U CN204668228U CN 204668228 U CN204668228 U CN 204668228U CN 201520408910 U CN201520408910 U CN 201520408910U CN 204668228 U CN204668228 U CN 204668228U
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CN201520408910.3U CN204668228U (zh) | 2015-06-12 | 2015-06-12 | 一种无电弧放电的直流高压开关 |
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CN201520408910.3U CN204668228U (zh) | 2015-06-12 | 2015-06-12 | 一种无电弧放电的直流高压开关 |
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CN204668228U true CN204668228U (zh) | 2015-09-23 |
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CN201520408910.3U Expired - Fee Related CN204668228U (zh) | 2015-06-12 | 2015-06-12 | 一种无电弧放电的直流高压开关 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190116 Address after: 233010 No. 726 Huaguang Avenue, Bengbu City, Anhui Province Co-patentee after: National electric power group power station operation technology (Beijing) Co., Ltd. Patentee after: The 41st Institute of CETC Address before: 233010 No. 726 Huaguang Avenue, Bengbu City, Anhui Province Co-patentee before: CPI SCIENCE & TECHNOLOGY RESEARCH INSTITUTE CO., LTD. Patentee before: The 41st Institute of CETC |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190402 Address after: 266555 No. 98 Xiangjiang Road, Huangdao District, Qingdao City, Shandong Province Co-patentee after: National electric power group power station operation technology (Beijing) Co., Ltd. Patentee after: China Electronics Technology Instrument and Meter Co., Ltd. Address before: 233010 No. 726 Huaguang Avenue, Bengbu City, Anhui Province Co-patentee before: National electric power group power station operation technology (Beijing) Co., Ltd. Patentee before: The 41st Institute of CETC |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20210612 |
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CF01 | Termination of patent right due to non-payment of annual fee |