CN201943606U - 防松动高气密螺纹套管连接结构 - Google Patents
防松动高气密螺纹套管连接结构 Download PDFInfo
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- CN201943606U CN201943606U CN2011200377777U CN201120037777U CN201943606U CN 201943606 U CN201943606 U CN 201943606U CN 2011200377777 U CN2011200377777 U CN 2011200377777U CN 201120037777 U CN201120037777 U CN 201120037777U CN 201943606 U CN201943606 U CN 201943606U
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- sleeve pipe
- factory
- end sleeve
- box cupling
- oil field
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Application Number | Priority Date | Filing Date | Title |
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CN2011200377777U CN201943606U (zh) | 2011-02-14 | 2011-02-14 | 防松动高气密螺纹套管连接结构 |
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CN2011200377777U CN201943606U (zh) | 2011-02-14 | 2011-02-14 | 防松动高气密螺纹套管连接结构 |
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CN201943606U true CN201943606U (zh) | 2011-08-24 |
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CN2011200377777U Expired - Fee Related CN201943606U (zh) | 2011-02-14 | 2011-02-14 | 防松动高气密螺纹套管连接结构 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102116135A (zh) * | 2011-02-14 | 2011-07-06 | 江苏常宝钢管股份有限公司 | 防松动高气密螺纹套管连接结构 |
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2011
- 2011-02-14 CN CN2011200377777U patent/CN201943606U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102116135A (zh) * | 2011-02-14 | 2011-07-06 | 江苏常宝钢管股份有限公司 | 防松动高气密螺纹套管连接结构 |
CN102116135B (zh) * | 2011-02-14 | 2016-09-07 | 江苏常宝钢管股份有限公司 | 防松动高气密螺纹套管连接结构 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Changbao Precision Steel Tube Co., Ltd. Assignor: Jiangsu Changbao Steel Tube Co., Ltd. Contract record no.: 2012320000600 Denomination of utility model: Looseness-proof high-air tightness connecting structure with threaded sleeves Granted publication date: 20110824 License type: Exclusive License Record date: 20120516 |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Changbao Precision Steel Tube Co., Ltd. Assignor: Jiangsu Changbao Steel Tube Co., Ltd. Contract record no.: 2012320000600 Denomination of utility model: Looseness-proof high-air tightness connecting structure with threaded sleeves Granted publication date: 20110824 License type: Exclusive License Record date: 20120516 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20200214 |
|
CF01 | Termination of patent right due to non-payment of annual fee |