CN210195685U - 一种档杆架 - Google Patents
一种档杆架 Download PDFInfo
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- CN210195685U CN210195685U CN201920740926.2U CN201920740926U CN210195685U CN 210195685 U CN210195685 U CN 210195685U CN 201920740926 U CN201920740926 U CN 201920740926U CN 210195685 U CN210195685 U CN 210195685U
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CN201920740926.2U CN210195685U (zh) | 2019-05-22 | 2019-05-22 | 一种档杆架 |
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CN201920740926.2U CN210195685U (zh) | 2019-05-22 | 2019-05-22 | 一种档杆架 |
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CN210195685U true CN210195685U (zh) | 2020-03-27 |
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CN201920740926.2U Expired - Fee Related CN210195685U (zh) | 2019-05-22 | 2019-05-22 | 一种档杆架 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20201222 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: Baoji Oilfield Machinery Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee before: Baoji Oilfield Machinery Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 Termination date: 20210522 |
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CF01 | Termination of patent right due to non-payment of annual fee |