CN216623536U - 一种新型高中英语教育的多功能指示笔 - Google Patents
一种新型高中英语教育的多功能指示笔 Download PDFInfo
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Yao Chuchu Inventor after: Cui Zhijuan Inventor before: Cui Zhijuan |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221021 Address after: 523000 No. 1, Lianhu Road, Chang'an Town, Dongguan City, Guangdong Province Patentee after: Yao Chuchu Address before: 510000 No. 107, Linhe West Road, Tianhe District, Guangzhou, Guangdong Patentee before: Cui Zhijuan |
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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: 20220527 |