CORVUS
| Class | Record | Type | Presentation | Status |
|---|---|---|---|---|
| 15 | 1957-006523 | Denominative | 1957/01/01 | Registered |
| Class | Record | Type | Presentation | Status |
|---|---|---|---|---|
| 15 | 1976-005458 | Denominative | 1976/01/01 | Registered |
| Class | Record | Type | Presentation | Status |
|---|---|---|---|---|
| 39 | 1983-001179 | Denominative | 1983/02/23 | Registered |
| Class | Record | Type | Presentation | Status |
|---|---|---|---|---|
| 9 | 1988-015937 | Denominative | 1988/08/31 | Registered |
| Class | Record | Type | Presentation | Status |
|---|---|---|---|---|
| 11 | | Denominative | 2005/08/29 | Registered |
(Electrical and scientific apparatus) Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signaling, checking (supervision), lifesaving and teaching apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
Class 11:(Environmental control apparatus) Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
Class 15:(Musical Instruments) Musical instruments.
Class 39:(Transportation and storage) Transport; packaging and storage of goods; travel arrangement.