CN206588387U - 一种钻头 - Google Patents
一种钻头 Download PDFInfo
- Publication number
- CN206588387U CN206588387U CN201720067717.7U CN201720067717U CN206588387U CN 206588387 U CN206588387 U CN 206588387U CN 201720067717 U CN201720067717 U CN 201720067717U CN 206588387 U CN206588387 U CN 206588387U
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- face
- edge
- pipeline
- drill bit
- knife face
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720067717.7U CN206588387U (zh) | 2017-01-20 | 2017-01-20 | 一种钻头 |
Applications Claiming Priority (1)
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CN201720067717.7U CN206588387U (zh) | 2017-01-20 | 2017-01-20 | 一种钻头 |
Publications (1)
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CN206588387U true CN206588387U (zh) | 2017-10-27 |
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CN201720067717.7U Expired - Fee Related CN206588387U (zh) | 2017-01-20 | 2017-01-20 | 一种钻头 |
Country Status (1)
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CN (1) | CN206588387U (zh) |
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2017
- 2017-01-20 CN CN201720067717.7U patent/CN206588387U/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Yong Inventor after: Liang Yilong Inventor after: Lei Min Inventor before: Xue Shuailong |
|
CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180502 Address after: 550009 Guiyang City, Guizhou Province, through the opening of the small Meng Industrial Park (small Meng equipment manufacturing eco industrial park standard workshop phase two project 1, 5 storey) Patentee after: The many Machinery Manufacturing Co., Ltd.s of Guizhou favour Feng Address before: No. 60, No. 87, Xiangcheng County, Xuchang, Henan Patentee before: Xue Shuailong |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20210120 |
|
CF01 | Termination of patent right due to non-payment of annual fee |