CN209500572U - A kind of simple back belt type compressed oxygen self-rescuer - Google Patents
A kind of simple back belt type compressed oxygen self-rescuer Download PDFInfo
- Publication number
- CN209500572U CN209500572U CN201920131459.3U CN201920131459U CN209500572U CN 209500572 U CN209500572 U CN 209500572U CN 201920131459 U CN201920131459 U CN 201920131459U CN 209500572 U CN209500572 U CN 209500572U
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- China
- Prior art keywords
- compressed oxygen
- mouthpart
- rescuer
- right sides
- stretched out
- 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
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920131459.3U CN209500572U (en) | 2019-01-25 | 2019-01-25 | A kind of simple back belt type compressed oxygen self-rescuer |
Applications Claiming Priority (1)
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CN201920131459.3U CN209500572U (en) | 2019-01-25 | 2019-01-25 | A kind of simple back belt type compressed oxygen self-rescuer |
Publications (1)
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CN209500572U true CN209500572U (en) | 2019-10-18 |
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CN201920131459.3U Expired - Fee Related CN209500572U (en) | 2019-01-25 | 2019-01-25 | A kind of simple back belt type compressed oxygen self-rescuer |
Country Status (1)
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CN (1) | CN209500572U (en) |
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2019
- 2019-01-25 CN CN201920131459.3U patent/CN209500572U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210806 Address after: 570100 room 205-2462, No. 181, Xingyang Avenue, Jiangdong new district, Haikou City, Hainan Province Patentee after: Hainan Huazhou Technology Co.,Ltd. Address before: 273500 No. 499, Hengfeng Road, Zoucheng City, Jining City, Shandong Province (in zhongxindian electromechanical Industrial Park) Patentee before: SHANDONG MEIANDA ELECTROMECHANICAL LIMITED BY SHARE Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20220125 |