DURFERRIT
| Class | Record | Type | Presentation | Status |
|---|---|---|---|---|
| 1 | | Denominative | - | Forsaken |
| 11, 40 | | Denominative | - | Forsaken |
| Class | Record | Type | Presentation | Status |
|---|---|---|---|---|
| 1 | | Denominative | 1992/01/21 | Forsaken |
| 11 | | Denominative | 1992/05/12 | Forsaken |
| 40 | | Denominative | 1992/05/12 | Forsaken |
(Chemicals) Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
Class 11:(Environmental control apparatus) Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
Class 40:(Treatment of materials) Treatment of materials.