CN201162494Y - 钎头合金片 - Google Patents
钎头合金片 Download PDFInfo
- Publication number
- CN201162494Y CN201162494Y CNU2008200192073U CN200820019207U CN201162494Y CN 201162494 Y CN201162494 Y CN 201162494Y CN U2008200192073 U CNU2008200192073 U CN U2008200192073U CN 200820019207 U CN200820019207 U CN 200820019207U CN 201162494 Y CN201162494 Y CN 201162494Y
- Authority
- CN
- China
- Prior art keywords
- alloy
- alloy sheet
- drill bit
- alloy body
- skewed slot
- 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
Links
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- Earth Drilling (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200192073U CN201162494Y (zh) | 2008-03-19 | 2008-03-19 | 钎头合金片 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200192073U CN201162494Y (zh) | 2008-03-19 | 2008-03-19 | 钎头合金片 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201162494Y true CN201162494Y (zh) | 2008-12-10 |
Family
ID=40183432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200192073U Expired - Fee Related CN201162494Y (zh) | 2008-03-19 | 2008-03-19 | 钎头合金片 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201162494Y (zh) |
-
2008
- 2008-03-19 CN CNU2008200192073U patent/CN201162494Y/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 ROCK DRILLING TOOLS CO., LTD. Free format text: FORMER OWNER: LI MINGSUO Effective date: 20130315 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130315 Address after: 252311, No. three, 3 mountain road, West Lake Town, Yanggu County, Shandong, Liaocheng Patentee after: Shandong drilling & Drilling Tools Co., Ltd. Address before: 252311 Shandong three mountain group, 14 West Lake County, Shandong, Yanggu Patentee before: Li Mingsuo |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20130319 |