AT546019T
Equalization system to improve the quality of bass sounds within a listening area
Abstract
This record has no abstract on file.
Term
Term ended
Expired 21 December 2025, 0.8 years ago.
- Priority
- Filed
- Granted
- Expired
- Today
1 priority claim, no other members on record
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 2677304 | United States of America | A |
Numbers
- Application
- 5028061
Titles2
- German
- ENTZERRUNGSSYSTEM ZUR VERBESSERUNG DER QUALITÄT VON BASSTÖNEN IN EINEM HÖRBEREICH
- English
- DETERGENT SYSTEM FOR IMPROVING THE QUALITY OF BASTONS IN A HEARING AREA
Classification
- CPC, 3
- H04S7/301
- H04R3/04
- H04R3/12
- IPC, 1
- H04S7 00