CN211371518U - 一种防止腐蚀的聚乙烯保温管 - Google Patents
一种防止腐蚀的聚乙烯保温管 Download PDFInfo
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- CN211371518U CN211371518U CN201922159911.XU CN201922159911U CN211371518U CN 211371518 U CN211371518 U CN 211371518U CN 201922159911 U CN201922159911 U CN 201922159911U CN 211371518 U CN211371518 U CN 211371518U
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of polyethylene insulation pipe to prevent corrosion Effective date of registration: 20210618 Granted publication date: 20200828 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Weng Paez Environmental Technology Co.,Ltd. Registration number: Y2021980004937 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220610 Granted publication date: 20200828 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Weng Paez Environmental Technology Co.,Ltd. Registration number: Y2021980004937 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Polyethylene insulation pipe for preventing corrosion Effective date of registration: 20220613 Granted publication date: 20200828 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Weng Paez Environmental Technology Co.,Ltd. Registration number: Y2022980007660 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230605 Granted publication date: 20200828 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Weng Paez Environmental Technology Co.,Ltd. Registration number: Y2022980007660 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Polyethylene Insulation Pipe for Preventing Corrosion Effective date of registration: 20230608 Granted publication date: 20200828 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Weng Paez Environmental Technology Co.,Ltd. Registration number: Y2023980043245 |