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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
B61K 9/00 E01B 35/00 |
| (11) | Number of the document | 3364 |
| (13) | Kind of document | B |
| (21) | Application number | IP808 |
| (22) | Date of filing the application | 1993-07-22 |
| (41) | Date of publication of the application | 1995-02-27 |
| (45) | Date of publication of patent | 1995-07-25 |
| (71) |
VOEST-ALPINE EISENBAHNSYSTEME Aktiengesellschaft,
Floragasse 7, A-1040 Vienna,
AT
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| (72) |
Gerald DURCHSCHLAG, AT
Wolfgang NAYER, AT |
| (73) |
VOEST-ALPINE EISENBAHNSYSTEME Aktiengesellschaft,
Floragasse 7, A-1040 Vienna,
AT
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| (74) |
Virgina Adolfina DRAUGELIENĖ,
UAB TARPINĖ, A.P.Kavoliuko g. 24-152, LT-04328 Vilnius,
LT
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| (54) | METHOD FOR CONTROLLING THE CONDITION OF RAIL SWITCHES |
| Payment date | Validity (years) | Amount | |
| 2001-06-20 | 9 | 720.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2002-07-22 |