AT4564T
System and apparatus for centering a light beam on an information track
Abstract
This record has no abstract on file.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
13 members in 10 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 96319678 | United States of America | A |
Members13
| Document | Office | Kind | |
|---|---|---|---|
| AU5306679A | Australia | A | |
| EP0011990A1 | European Patent Office (EPO) | A1 | |
| BR7907612A | Brazil | A | |
| JPS55108940A | Japan | A | |
| US4232201A | United States of America | A | |
| CA1132255A | Canada | A | |
| EP0011990B1 | European Patent Office (EPO) | B1 | |
| AT4564TThis record | Austria | T | |
| ATE4564T1 | Austria | T1 | |
| DE2966119D1 | Germany | D1 | |
| AU537297B2 | Australia | B2 | |
| HK49686A | Hong Kong, China | A | |
| MY8700154A | Malaysia | A |
2 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Patent revokedRevokedRZN | RZN | |
| Publication of translation of european patent specificationUEP | UEP |
Numbers
- Application
- 79302670
Titles2
- German
- VERFAHREN UND VORRICHTUNG ZUM ZENTRIEREN EINES LICHTSTRAHLS AUF EINER INFORMATIONSSPUR.
- English
- METHOD AND DEVICE FOR CENTERING A LIGHT BEAM ON AN INFORMATION TRACK.
Classification
- IPC, 3
- G11B21 10
- G11B7 08
- G11B7 09