CN2811403Y - 井盖启闭装置 - Google Patents
井盖启闭装置 Download PDFInfo
- Publication number
- CN2811403Y CN2811403Y CN 200520011295 CN200520011295U CN2811403Y CN 2811403 Y CN2811403 Y CN 2811403Y CN 200520011295 CN200520011295 CN 200520011295 CN 200520011295 U CN200520011295 U CN 200520011295U CN 2811403 Y CN2811403 Y CN 2811403Y
- Authority
- CN
- China
- Prior art keywords
- clamp
- suspension bracket
- closing device
- leading screw
- frame
- 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 - Lifetime
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
Description
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520011295 CN2811403Y (zh) | 2004-07-09 | 2005-03-31 | 井盖启闭装置 |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200420073324 | 2004-07-09 | ||
CN200420073324.X | 2004-07-09 | ||
CN200420120398.4 | 2004-12-20 | ||
CN200510000262.9 | 2005-01-07 | ||
CN 200520011295 CN2811403Y (zh) | 2004-07-09 | 2005-03-31 | 井盖启闭装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2811403Y true CN2811403Y (zh) | 2006-08-30 |
Family
ID=36937790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200520011295 Expired - Lifetime CN2811403Y (zh) | 2004-07-09 | 2005-03-31 | 井盖启闭装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2811403Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100430560C (zh) * | 2004-07-09 | 2008-11-05 | 和特股份有限公司 | 井盖启闭装置 |
-
2005
- 2005-03-31 CN CN 200520011295 patent/CN2811403Y/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100430560C (zh) * | 2004-07-09 | 2008-11-05 | 和特股份有限公司 | 井盖启闭装置 |
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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: BEIJING HELEFA SCIENCE AND TECHNOLOGY CO.,LTD. Free format text: FORMER OWNER: HETE CO., LTD. Effective date: 20061027 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20061027 Address after: 100176, Beijing economic and Technological Development Zone, South Park, 12, 401, building 2 Patentee after: Beijing science and Technology Co. Ltd. and Address before: Mauritius road to Hong Kong City Patentee before: Schott AG |
|
ASS | Succession or assignment of patent right |
Owner name: HAN GUOQING Free format text: FORMER OWNER: BEIJING HELEFA SCIENCE AND TECHNOLOGY CO., LTD. Effective date: 20100603 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100176 401, UNIT 2, BUILDING 12, ZONE E, GUIYUANNANLI, BEIJING ECONOMIC ANDTECHNOLOGICAL DEVELOPMENT ZONE TO: 301700 NO.203, GATE 2, BUILDING 1, DISTRICT EAST, XIXIAN APT., YANGCUN TOWN, WUQING DISTRICT, TIANJIN CITY |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100603 Address after: 301700, 203, gate 2, building 1, Oriental fairy apartment, Yang Town, Wuqing District, Tianjin Patentee after: Han Guoqing Address before: 100176, Beijing economic and Technological Development Zone, South Park, 12, 401, building 2 Patentee before: Beijing science and Technology Co. Ltd. and |
|
DD01 | Delivery of document by public notice |
Addressee: Huang Yuanzhen Document name: Notification of Passing Examination on Formalities |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20150331 Granted publication date: 20060830 |