DE69918502D1
Waveguide electroacoustical transducing
Abstract
This record has no abstract on file.
Term
Term ended
Expired 27 August 2019, 7.1 years ago.
- Priority
- Filed
- Granted
- Expired
- Today
16 members in 5 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 14666298 | United States of America | A | |
| 146662 | – | – | – |
| US19980146662 | – | – | – |
Members16
| Document | Office | Kind | |
|---|---|---|---|
| EP0984662A2 | European Patent Office (EPO) | A2 | |
| JP2000092583A | Japan | A | |
| CN1258185A | China | A | |
| EP0984662A3 | European Patent Office (EPO) | A3 | |
| EP1284585A1 | European Patent Office (EPO) | A1 | |
| EP0984662B1 | European Patent Office (EPO) | B1 | |
| US6771787B1 | United States of America | B1 | |
| DE69918502D1This record | Germany | D1 | |
| DE69918502T2 | Germany | T2 | |
| US2005036642A1 | United States of America | A1 | |
| CN101026895A | China | A | |
| US7623670B2 | United States of America | B2 | |
| JP4417489B2 | Japan | B2 | |
| US2010092019A1 | United States of America | A1 | |
| EP1284585B1 | European Patent Office (EPO) | B1 | |
| CN101026895B | China | B |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| No opposition during term of oppositionOpposition8364 | 8364 |
Numbers
- Publication, DOCDB
- 69918502
- Publication, EPODOC
- DE69918502D
- Application
- 69918502
- Application, DOCDB
- 69918502
- Application, EPODOC
- DE1999618502T
Titles2
- German
- Elektroakustischer Wandler mit Wellenleiter
- English
- Waveguide electroacoustic transducer
Classification
- CPC, 2
- H04R1/2857
- H04R1/345
- IPC, 4
- H04R1 30
- G10K11 02
- H04R1 28
- H04R1 34