Locarno Classification for Industrial Designs
25-04 Steps, ladders and scaffolds
Data version: Locarno Classification, 15th edition (LOC 15, in force since 1 January 2025). Chinese terms follow the CNIPA Chinese edition; English terms are taken from WIPO. The 16th edition enters into force on 1 January 2027. Spanish terms are J&C reference translations; selected entries were revised or completed on 13 October 2026.
| Subclass | Item No. | Chinese | English |
|---|---|---|---|
| 25-04 | 104144 | 梯脚 | Feet of ladders |
| 25-04 | 104140 | 梯子 | Ladders |
| 25-04 | 104147 | 可移动式观测梯 | Portable observation ladders |
| 25-04 | 104143 | 脚手架及其组件 | Scaffoldings and their components |
| 25-04 | 104142 | 楼梯护栏 | Stair banisters |
| 25-04 | 104145 | 楼梯台阶 | Staircase steps |
| 25-04 | 104141 | 楼梯 | Staircases |
| 25-04 | 104139 | 凳梯 | Step stools |
| 25-04 | 104146 | 脚手架用管 | Tubes for scaffolding |