AT63409T
Background noise reduction device in an electroacoustic line-up
Abstract
This record has no abstract on file.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
11 members in 8 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 8607813 | France | A |
Members11
| Document | Office | Kind | |
|---|---|---|---|
| FR2599580A1 | France | A1 | |
| EP0248713A1 | European Patent Office (EPO) | A1 | |
| FR2599580B1 | France | B1 | |
| US4815142A | United States of America | A | |
| JPH0270134A | Japan | A | |
| EP0248713B1 | European Patent Office (EPO) | B1 | |
| AT63409TThis record | Austria | T | |
| ATE63409T1 | Austria | T1 | |
| DE3769851D1 | Germany | D1 | |
| CA1293454C | Canada | C | |
| ES2023921B3 | Spain | B3 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Ceased as to paragraph 5 lit. 3 law introducing patent treatiesCeasedRER | RER |
Numbers
- Application
- 87401191
Titles2
- German
- STOERPEGEL-DAEMPFUNGSANORDNUNG IN EINER ELEKTROAKUSTISCHEN KETTE.
- English
- STOER LEVEL DAMPING ARRANGEMENT IN AN ELECTRIC ACOUSTIC CHAIN.
Classification
- IPC, 4
- G11B20 04
- H03G9 18
- H04B1 10
- H04B15 00