CN211472269U - 一种市政施工用警示装置 - Google Patents
一种市政施工用警示装置 Download PDFInfo
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- CN211472269U CN211472269U CN201921857224.9U CN201921857224U CN211472269U CN 211472269 U CN211472269 U CN 211472269U CN 201921857224 U CN201921857224 U CN 201921857224U CN 211472269 U CN211472269 U CN 211472269U
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hangzhou Tiankai Guyu Culture Development Co.,Ltd. Assignor: Hangzhou tuoyi Network Technology Co.,Ltd. Contract record no.: X2021330000487 Denomination of utility model: A warning device for municipal construction Granted publication date: 20200911 License type: Common License Record date: 20211019 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Hangzhou Tiankai Guyu Culture Development Co.,Ltd. Assignor: Hangzhou tuoyi Network Technology Co.,Ltd. Contract record no.: X2021330000487 Date of cancellation: 20230529 |
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EC01 | Cancellation of recordation of patent licensing contract | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231013 Address after: 2nd Floor, Huayuanba Community Neighborhood Committee Office Building, No. 47 Heping West Road, Shunqing District, Nanchong City, Sichuan Province, 637000 Patentee after: Nanchong Sanjia Construction Co.,Ltd. Address before: 309-8, building 2, Haichuang science and technology center, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou tuoyi Network Technology Co.,Ltd. |
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TR01 | Transfer of patent right |