CN203547627U - 一种胀捞一体的膨胀管补贴工具 - Google Patents
一种胀捞一体的膨胀管补贴工具 Download PDFInfo
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Cited By (1)
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CN111485845A (zh) * | 2019-01-29 | 2020-08-04 | 中国石油天然气股份有限公司 | 套管补贴装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111485845A (zh) * | 2019-01-29 | 2020-08-04 | 中国石油天然气股份有限公司 | 套管补贴装置 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 262100 Xingan Industrial Park, Anqiu, Shandong, No. 9, No. Patentee after: Weifang Yuhong Petroleum Machinery Co., Ltd. Address before: 262100 Xingan Industrial Park, Anqiu, Shandong, No. 9, No. Patentee before: WEIFANG YUHONG PETROLEUM MACHINERY CO., LTD. |
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CU01 | Correction of utility model patent |
Correction item: Patentee Correct: Weifang Yuhong Petroleum Machinery Co., Ltd. False: WEIFANG YUHONG PETROLEUM MACHINERY CO., LTD. Number: 16 Page: The title page Volume: 30 |
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CU03 | Correction of utility model patent gazette |
Correction item: Patentee Correct: Weifang Yuhong Petroleum Machinery Co., Ltd. False: WEIFANG YUHONG PETROLEUM MACHINERY CO., LTD. Number: 16 Volume: 30 |
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ERR | Gazette correction | ||
RECT | Rectification | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20191126 |
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CF01 | Termination of patent right due to non-payment of annual fee |