CN204147238U - Barrier position prompting blind-man crutch - Google Patents
Barrier position prompting blind-man crutch Download PDFInfo
- Publication number
- CN204147238U CN204147238U CN201420497503.XU CN201420497503U CN204147238U CN 204147238 U CN204147238 U CN 204147238U CN 201420497503 U CN201420497503 U CN 201420497503U CN 204147238 U CN204147238 U CN 204147238U
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- crutch
- intelligent
- infrared laser
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- barrier
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420497503.XU CN204147238U (en) | 2014-08-30 | 2014-08-30 | Barrier position prompting blind-man crutch |
Applications Claiming Priority (1)
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CN201420497503.XU CN204147238U (en) | 2014-08-30 | 2014-08-30 | Barrier position prompting blind-man crutch |
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CN204147238U true CN204147238U (en) | 2015-02-11 |
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CN201420497503.XU Expired - Fee Related CN204147238U (en) | 2014-08-30 | 2014-08-30 | Barrier position prompting blind-man crutch |
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CN (1) | CN204147238U (en) |
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2014
- 2014-08-30 CN CN201420497503.XU patent/CN204147238U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20171102 Address after: 518108, ten, building A3, building 2, New Era Industrial Zone, stone ring road, Shilong village, Shilong street, Shiyan City, Guangdong, Baoan District, Shenzhen Patentee after: Shenzhen Xing Da Da Electronic Co., Ltd. Address before: No. 1068 Nanshan District Xueyuan Road in Shenzhen city in Guangdong province 518000 Patentee before: Ma Tianchi |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20190830 |
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CF01 | Termination of patent right due to non-payment of annual fee |