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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
E21B 43/16 |
| (11) | Number of the document | 3513 |
| (13) | Kind of document | B |
| (21) | Application number | IP1893 |
| (22) | Date of filing the application | 1994-03-08 |
| (41) | Date of publication of the application | 1995-01-31 |
| (45) | Date of publication of patent | 1995-11-27 |
| (30) | Number | Date | Country code |
| 93012669 | 1993-03-09 | RU |
| (71) |
Aktsionernoe Obschestvo Zakrytogo Tipa "Biotekhinvest",
Chernomorsky bulvar 18-32, Moscow,
RU
|
| (72) |
Vladimir N. BELONENKO, RU
|
| (73) |
Aktsionernoe Obschestvo Zakrytogo Tipa "Biotekhinvest",
Chernomorsky bulvar 18-32, Moscow,
RU
|
| (74) |
Reda ŽABOLIENĖ,
METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius,
LT
|
| (54) | METHOD FOR EXTRAGTING OF MEDIUM FROM A PORE-CAPILLARY FORMATION AND IMPREGNATING THE SAME |
| Payment date | Validity (years) | Amount | |
| 1997-02-19 | 4 | 80.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1998-03-08 |