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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2020.01) |
C02F 11/00 |
| (11) | Number of the document | 6705 |
| (13) | Kind of document | B |
| (21) | Application number | 2019 053 |
| (22) | Date of filing the application | 2019-07-31 |
| (41) | Date of publication of the application | 2020-02-10 |
| (45) | Date of publication of patent | 2020-02-25 |
| (71) |
Shengzhou Yunrui Environmental Technology Co., Ltd,
No. 32 Huatian Village, Economic Development Zone, Shengzhou, Shaoxing City, Zhejiang Province,
CN
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| (72) |
Guochen Qian, CN
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| (73) |
Dongying Xiuchun Labor Protection Appliance Co., Ltd.,
Room 1401, 14th Floor, No.256, Yunhe Road, Dongying District, Dongying City, 257091 Shandong Province,
CN
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| (74) |
Vytautas GUOBYS,
Ateities g. 3-9, LT-08306 Vilnius,
LT
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| (54) | AN APPARATUS FOR PREPARING FERTILIZER BY USING URBAN SEWAGE SLUDGE |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2021-07-31 |