CN211684384U - 一种高等函数画图装置 - Google Patents
一种高等函数画图装置 Download PDFInfo
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- CN211684384U CN211684384U CN202020384146.1U CN202020384146U CN211684384U CN 211684384 U CN211684384 U CN 211684384U CN 202020384146 U CN202020384146 U CN 202020384146U CN 211684384 U CN211684384 U CN 211684384U
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CN202020384146.1U CN211684384U (zh) | 2020-03-24 | 2020-03-24 | 一种高等函数画图装置 |
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GR01 | Patent grant | ||
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EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu fuyu'an Security Technology Co.,Ltd. Assignor: Jiangsu Normal University Contract record no.: X2020980009598 Denomination of utility model: An advanced function drawing device Granted publication date: 20201016 License type: Common License Record date: 20201218 |
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EC01 | Cancellation of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Jiangsu fuyu'an Security Technology Co.,Ltd. Assignor: Jiangsu Normal University Contract record no.: X2020980009598 Date of cancellation: 20220525 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20201016 |