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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
E02B 3/00 |
| (11) | Number of the document | 3743 |
| (13) | Kind of document | B |
| (21) | Application number | IP1593 |
| (22) | Date of filing the application | 1993-12-14 |
| (41) | Date of publication of the application | 1995-06-26 |
| (45) | Date of publication of patent | 1996-03-25 |
| (30) | Number | Date | Country code |
| 4743291 | 1990-02-22 | SU |
| (71) |
HOLLANDSCHE BETON GROEP N. V.,
Generaal Spoorlaan 489, NL-2285 TA Rijswijk,
NL
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| (72) |
Marinus Pieter QUAAK, NL
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| (73) |
HOLLANDSCHE BETON GROEP N. V.,
Generaal Spoorlaan 489, NL-2285 TA Rijswijk,
NL
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| (74) |
Marius JAKULIS - JASON,
AAA Law, A. Goštauto g. 40B, Verslo centras "Dvyniai", LT-03163 Vilnius,
LT
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| (54) | METHOD FOR TREATING SEDIMENT |
| Payment date | Validity (years) | Amount | |
| 1995-12-12 | 3 | 70.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1996-12-14 |