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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
B29C 43/36 B30B 9/02 |
| (11) | Number of the document | 3512 |
| (13) | Kind of document | B |
| (21) | Application number | IP966 |
| (22) | Date of filing the application | 1993-09-10 |
| (41) | Date of publication of the application | 1995-03-27 |
| (45) | Date of publication of patent | 1995-11-27 |
| (30) | Number | Date | Country code |
| 2217/90 | 1990-07-04 | CH | |
| PCT/CH91/00135 | 1991-06-21 | WO |
| (71) |
BUCHER-GUYER AG Maschinenfabrik,
CH-8166 Niederweningen, Zuerich,
CH
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| (72) |
Eduard HARTMANN, CH
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| (73) |
BUCHER-GUYER AG Maschinenfabrik,
CH-8166 Niederweningen, Zuerich,
CH
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| (74) |
Reda ŽABOLIENĖ,
METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius,
LT
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| (54) | MEMBRANE OF PRESS FOR SEPARATION SOLIDS AND LIQUIDS |
| Payment date | Validity (years) | Amount | |
| 2002-08-23 | 10 | 800.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2003-09-10 |