CN201401133Y - 圆柱形接头圆弧形凸棱钻杆 - Google Patents
圆柱形接头圆弧形凸棱钻杆 Download PDFInfo
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- CN201401133Y CN201401133Y CN2009200890934U CN200920089093U CN201401133Y CN 201401133 Y CN201401133 Y CN 201401133Y CN 2009200890934 U CN2009200890934 U CN 2009200890934U CN 200920089093 U CN200920089093 U CN 200920089093U CN 201401133 Y CN201401133 Y CN 201401133Y
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- drilling rod
- rod body
- drilling
- cylindrical
- cylindrical connector
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Application Number | Priority Date | Filing Date | Title |
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CN2009200890934U CN201401133Y (zh) | 2009-03-07 | 2009-03-07 | 圆柱形接头圆弧形凸棱钻杆 |
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CN2009200890934U CN201401133Y (zh) | 2009-03-07 | 2009-03-07 | 圆柱形接头圆弧形凸棱钻杆 |
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CN201401133Y true CN201401133Y (zh) | 2010-02-10 |
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CN2009200890934U Expired - Lifetime CN201401133Y (zh) | 2009-03-07 | 2009-03-07 | 圆柱形接头圆弧形凸棱钻杆 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102094578A (zh) * | 2010-12-01 | 2011-06-15 | 卢丹 | 一种钻探机构 |
CN102635320A (zh) * | 2012-05-21 | 2012-08-15 | 重庆松藻煤电有限责任公司 | 一种圆弧形凸棱钻杆快速拆卸装置及方法 |
-
2009
- 2009-03-07 CN CN2009200890934U patent/CN201401133Y/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102094578A (zh) * | 2010-12-01 | 2011-06-15 | 卢丹 | 一种钻探机构 |
CN102635320A (zh) * | 2012-05-21 | 2012-08-15 | 重庆松藻煤电有限责任公司 | 一种圆弧形凸棱钻杆快速拆卸装置及方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Henan Longteng Novel Drill Tools Manufacture Co., Ltd. Assignor: Tian Jianwei Contract record no.: 2013410000031 Denomination of utility model: Cylindrical-joint arc-shaped bead drilling rod Granted publication date: 20100210 License type: Exclusive License Record date: 20130407 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20100210 |
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DD01 | Delivery of document by public notice | ||
DD01 | Delivery of document by public notice |
Addressee: Tian Jianwei Document name: Notification of Expiration of Patent Right Duration |