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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2020.01) |
G09F 13/00 |
| (11) | Number of the document | 6711 |
| (13) | Kind of document | B |
| (21) | Application number | 2019 060 |
| (22) | Date of filing the application | 2019-08-09 |
| (41) | Date of publication of the application | 2020-02-10 |
| (45) | Date of publication of patent | 2020-03-10 |
| (71) |
NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY,
21 Bohai Road, Caofeidian Xincheng, Tangshan, 063210 Hebei,
CN
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| (72) |
Chengcheng DENG, CN
Yuanjie ZHU, CN Ruiwen WANG, CN Shuai YAN, CN |
| (73) |
NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY,
21 Bohai Road, Caofeidian Xincheng, Tangshan, 063210 Hebei,
CN
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| (74) |
Reda ŽABOLIENĖ,
METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius,
LT
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| (54) | NOTICE PROMPT BOARD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2021-08-09 |