CN211804025U - 一种螺旋纹前端带一字槽刀的钻头 - Google Patents
一种螺旋纹前端带一字槽刀的钻头 Download PDFInfo
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- CN211804025U CN211804025U CN201922310161.1U CN201922310161U CN211804025U CN 211804025 U CN211804025 U CN 211804025U CN 201922310161 U CN201922310161 U CN 201922310161U CN 211804025 U CN211804025 U CN 211804025U
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- drill bit
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CN201922310161.1U CN211804025U (zh) | 2019-12-20 | 2019-12-20 | 一种螺旋纹前端带一字槽刀的钻头 |
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CN201922310161.1U CN211804025U (zh) | 2019-12-20 | 2019-12-20 | 一种螺旋纹前端带一字槽刀的钻头 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210204 Address after: Room 1701, tower 2, Shenye Jinyuan Building, No. 112, Qingshuihe 1st Road, Qingshuihe community, Qingshuihe street, Luohu District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Badu Photoelectric Technology Co.,Ltd. Address before: 338000 in Steel Industrial Park, Nanyuan Road, high tech Development Zone, Xinyu City, Jiangxi Province Patentee before: Jiangxi Zhongpin Tools Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen yunduan smart IOT Culture Technology Co.,Ltd. Assignor: Shenzhen Badu Photoelectric Technology Co.,Ltd. Contract record no.: X2021980012535 Denomination of utility model: A drill bit with a slotted cutter at the front end of spiral pattern Granted publication date: 20201030 License type: Exclusive License Record date: 20211116 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20211220 |
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CF01 | Termination of patent right due to non-payment of annual fee |