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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
B29C 63/36 B32B 1/00 B32B 5/22 F16L 55/16 F16L 55/162 F16L 57/00 |
| (11) | Number of the document | 3644 |
| (13) | Kind of document | B |
| (21) | Application number | IP1552 |
| (22) | Date of filing the application | 1993-12-07 |
| (41) | Date of publication of the application | 1995-06-26 |
| (45) | Date of publication of patent | 1996-01-25 |
| (30) | Number | Date | Country code |
| 9006154 | 1990-03-19 | GB | |
| PCT/GB91/00402 | 1991-03-15 | WO |
| (71) |
INA Acquisition Corp.,
1770 Kirby Parkway, Suite 300, Memphis TN 38138,
US
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| (72) |
Edward Peter SMITH, GB
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| (73) |
INA Acquisition Corp.,
1770 Kirby Parkway, Suite 300, Memphis TN 38138,
US
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| (74) |
Reda ŽABOLIENĖ,
METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius,
LT
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| (54) | ENVELOPE PIPE AND METHOD FOR COVERING OF PIPELINE OR KANAL |
| Payment date | Validity (years) | Amount | |
| 1995-10-13 | 3 | 70.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1996-12-07 |