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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
G02C 7/04 G02C 7/06 |
| (11) | Number of the document | 3542 |
| (13) | Kind of document | B |
| (21) | Application number | IP1606 |
| (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 | 1995-11-27 |
| (30) | Number | Date | Country code |
| 20707/88 | 1988-05-24 | IT | |
| PCT/IT89/00033 | 1989-05-08 | WO | |
| 4831938 | 1990-11-23 | SU |
| (71) |
Mario GIOVANZANA,
Via Cherubini 6, Milano,
IT
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| (72) |
Mario GIOVANZANA, IT
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| (73) |
Mario GIOVANZANA,
Via Cherubini 6, Milano,
IT
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| (74) |
Reda ŽABOLIENĖ,
METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius,
LT
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| (54) | MULTIFOCAL CONTACT LENS |
| Payment date | Validity (years) | Amount | |
| 1995-12-05 | 3 | 70.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1996-12-15 |