CN202090852U - 一种耐磨抽油杆 - Google Patents
一种耐磨抽油杆 Download PDFInfo
- Publication number
- CN202090852U CN202090852U CN2011202037182U CN201120203718U CN202090852U CN 202090852 U CN202090852 U CN 202090852U CN 2011202037182 U CN2011202037182 U CN 2011202037182U CN 201120203718 U CN201120203718 U CN 201120203718U CN 202090852 U CN202090852 U CN 202090852U
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- CN
- China
- Prior art keywords
- sucker rod
- rod
- joint
- ceramic coating
- wearable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202037182U CN202090852U (zh) | 2011-06-15 | 2011-06-15 | 一种耐磨抽油杆 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202037182U CN202090852U (zh) | 2011-06-15 | 2011-06-15 | 一种耐磨抽油杆 |
Publications (1)
Publication Number | Publication Date |
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CN202090852U true CN202090852U (zh) | 2011-12-28 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011202037182U Expired - Fee Related CN202090852U (zh) | 2011-06-15 | 2011-06-15 | 一种耐磨抽油杆 |
Country Status (1)
Country | Link |
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CN (1) | CN202090852U (zh) |
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2011
- 2011-06-15 CN CN2011202037182U patent/CN202090852U/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHANDONG DONGWANG PETROLEUM EQUIPMENT CO., LTD. Free format text: FORMER OWNER: LI XI Effective date: 20120329 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120329 Address after: Yuan Qiao xiang Guanzhuang Cun Dezhou Economic Development Zone, Shandong province 253000 Patentee after: Shandong Dongwang Petroleum Equipment Co., Ltd. Address before: 253000 No. 402 Jiefang North Road, Decheng District, Shandong, Dezhou Patentee before: Li Xi |
|
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: 20111228 Termination date: 20160615 |