CN203213971U - 防偏磨抽油杆接箍 - Google Patents
防偏磨抽油杆接箍 Download PDFInfo
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- CN203213971U CN203213971U CN 201320246027 CN201320246027U CN203213971U CN 203213971 U CN203213971 U CN 203213971U CN 201320246027 CN201320246027 CN 201320246027 CN 201320246027 U CN201320246027 U CN 201320246027U CN 203213971 U CN203213971 U CN 203213971U
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CN 201320246027 CN203213971U (zh) | 2013-05-09 | 2013-05-09 | 防偏磨抽油杆接箍 |
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CN 201320246027 CN203213971U (zh) | 2013-05-09 | 2013-05-09 | 防偏磨抽油杆接箍 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104481420A (zh) * | 2014-09-22 | 2015-04-01 | 铁岭米勒石油新材料有限公司 | 一种新型抽油杆接箍及其制备工艺 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104481420A (zh) * | 2014-09-22 | 2015-04-01 | 铁岭米勒石油新材料有限公司 | 一种新型抽油杆接箍及其制备工艺 |
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Legal Events
Date | Code | Title | Description |
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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: 20150917 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District West Lake Street Minghu Garden District No. 9 room 207 Patentee after: Sheng Chengwei Address before: 163000 Heilongjiang Province, Daqing City Ranghulu District No. 80 Jianghan Road Patentee before: DAQING SHENGRI PETROLEUM TECHNOLOGY DEVELOPMENT CO., LTD. |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151111 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District West Lake Street Minghu Garden District No. 9 room 207 Patentee after: DAQING SHENGRI PETROLEUM TECHNOLOGY DEVELOPMENT CO., LTD. Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District West Lake Street Minghu Garden District No. 9 room 207 Patentee before: Sheng Chengwei |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20170509 |