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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
E21B 43/00 E21B 43/16 E21B 43/25 E21B 43/34 |
| (11) | Number of the document | 3346 |
| (13) | Kind of document | B |
| (21) | Application number | IP1620 |
| (22) | Date of filing the application | 1993-12-16 |
| (41) | Date of publication of the application | 1994-08-25 |
| (45) | Date of publication of patent | 1995-07-25 |
| (30) | Number | Date | Country code |
| 92014732 | 1992-12-28 | RU |
| (71) |
Aktsionernoe Obschestvo Zakrytogo Tipa "Biotekhinvest",
Chernomorsky bulvar 18-32, Moscow,
RU
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| (72) |
Vladimir N. BELONENKO, RU
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| (73) |
Aktsionernoe Obschestvo Zakrytogo Tipa "Biotekhinvest",
Chernomorsky bulvar 18-32, Moscow,
RU
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| (74) |
Reda ŽABOLIENĖ,
METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius,
LT
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| (54) | METHOD FOR OBTAINING GAS FROM DEPOSIT WITH TRAP |
| Payment date | Validity (years) | Amount | |
| 1997-11-17 | 5 | 100.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1998-12-16 |