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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
B01J 49/00 C02F 1/42 |
| (11) | Number of the document | 3748 |
| (13) | Kind of document | B |
| (21) | Application number | IP1633 |
| (22) | Date of filing the application | 1993-12-20 |
| (41) | Date of publication of the application | 1995-07-25 |
| (45) | Date of publication of patent | 1996-03-25 |
| (30) | Number | Date | Country code |
| 417580 | 1989-10-05 | US | |
| 4831432 | 1990-10-04 | SU |
| (71) |
CULLIGAN INTERNATIONAL COMPANY,
One Culligan Parkway, Northbrook, Illinois,
US
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| (72) |
Danilo CHILI, IT
Ramon BRAGOS, IT William W. NORTON, US Stanely F. RAK, US |
| (73) |
CULLIGAN INTERNATIONAL COMPANY,
One Culligan Parkway, Northbrook, Illinois,
US
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| (74) |
Rita LAURINAVIČIŪTĖ,
Gedimino pr. 45-6, LT-01109 Vilnius,
LT
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| (54) | METHOD AND DEVICE FOR TREATMENT OF WATER AND VALVE SYSTEM FOR REGULATION OF FLUID STREAMS |
| Payment date | Validity (years) | Amount | |
| 1996-11-18 | 4 | 80.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1997-12-20 |