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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
G01N 21/59 G01N 31/02 |
| (11) | Number of the document | 3138 |
| (13) | Kind of document | B |
| (21) | Application number | IP331 |
| (22) | Date of filing the application | 1993-02-09 |
| (41) | Date of publication of the application | 1994-08-25 |
| (45) | Date of publication of patent | 1995-01-31 |
| (71) |
Kęstutis KVIETKUS,
Taikos g. 219-1, 2000 Vilnius,
LT
Jonas ŠAKALYS, Vaduvos g. 36-14, 2000 Vilnius, LT Andrius URBA, Žirmūnų g. 61-47, 2012 Vilnius, LT |
| (72) |
Kęstutis KVIETKUS, LT
Jonas ŠAKALYS, LT Andrius URBA, LT |
| (73) |
Kęstutis KVIETKUS,
Taikos g. 219-1, 2000 Vilnius,
LT
Jonas ŠAKALYS, Vaduvos g. 36-14, 2000 Vilnius, LT Andrius URBA, Žirmūnų g. 61-47, 2012 Vilnius, LT |
| (74) |
| (54) | OPTICAL ABSORPTION APPARATUS FOR MEASURING CONCENTRATION OF MERCURY STREAM IN GAS |
| Payment date | Validity (years) | Amount | |
| 2000-02-08 | 8 | 480.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2001-02-09 |