ATA2902002A
Pressure gradient microphone capsule
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 26 February 2022, 4.6 years ago.
- Priority and filed
- Published
- Projected expiry
- Today
9 members in 4 offices
Members9
| Document | Office | Kind | |
|---|---|---|---|
| ATA2902002AThis record | Austria | A | |
| AT410741B | Austria | B | |
| US2003165251A1 | United States of America | A1 | |
| CN1441621A | China | A | |
| EP1351549A2 | European Patent Office (EPO) | A2 | |
| US6885751B2 | United States of America | B2 | |
| EP1351549A3 | European Patent Office (EPO) | A3 | |
| CN100508647C | China | C | |
| EP1351549B1 | European Patent Office (EPO) | B1 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| ExpiryMK07 | MK07 |
Numbers
- Application
- 29002
Titles2
- German
- DRUCKGRADIENTEN-MIKROFONKAPSEL
- English
- Pressure gradient MICROPHONE CAPSULE
Classification
- CPC, 2
- H04R1/38
- H04R19/04
- IPC, 3
- H04R1 38
- H04R19 00
- H04R19 04