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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
B01D 24/02 C02F 1/18 |
| (11) | Number of the document | 2427 |
| (13) | Kind of document | B |
| (21) | Application number | RP1009 |
| (22) | Date of filing the application | 1993-09-20 |
| (41) | Date of publication of the application | |
| (45) | Date of publication of patent | 1994-02-15 |
| (86) | Number | 1774883 |
| Date | 1989-03-14 |
| (30) | Number | Date | Country code |
| 38 10 441.5 | 1988-03-26 | DE |
| (71) |
BRITA Wasser-Filter-Systeme GmbH,
Waldstrasse 4, D-65232 Taunusstein,
DE
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| (72) |
Heinz HANKAMMER, DE
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| (73) |
BRITA Wasser-Filter-Systeme GmbH,
Waldstrasse 4, D-65232 Taunusstein,
DE
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| (74) |
Rita LAURINAVIČIŪTĖ,
Gedimino pr. 45-6, LT-01109 Vilnius,
LT
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| (54) |
| Payment date | Validity (years) | Amount | |
| 1999-09-01 | 9 | 1000.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2000-09-20 |