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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
G02B 6/00 G02B 6/42 G02F 1/35 H01S 3/00 H01S 3/06 H01S 3/10 H01S 3/17 H04B 10/02 H04B 10/18 H04B 10/17 |
| (11) | Number of the document | 3573 |
| (13) | Kind of document | B |
| (21) | Application number | IP1608 |
| (22) | Date of filing the application | 1993-12-15 |
| (41) | Date of publication of the application | 1995-07-25 |
| (45) | Date of publication of patent | 1995-12-27 |
| (30) | Number | Date | Country code |
| 21207/89 | 1989-07-17 | IT | |
| 4830505 | 1990-07-16 | SU |
| (71) |
PIRELLI CAVI S. p. A.,
Piazzale Cadorna, 5, 20123 Milano,
IT
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| (72) |
Giorgio GRASSO, IT
Aldo RIGHETTI, IT |
| (73) |
PIRELLI CAVI S. p. A.,
Piazzale Cadorna, 5, 20123 Milano,
IT
|
| (74) |
Marius JAKULIS - JASON,
AAA Law, A. Goštauto g. 40B, Verslo centras "Dvyniai", LT-03163 Vilnius,
LT
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| (54) | UNIT FOR AMPLIFYING LIGHT SIGNALS IN OPTICAL FIBER TRANSMISSION LINE |
| Payment date | Validity (years) | Amount | |
| 1999-11-19 | 7 | 560.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2000-12-15 |