E04F11/0223 - CPC Classification Index

ClassID:

130860 ⎘

E04F11/0223 - CPC Classification

Classification description:

Stairways, ramps, or like structures ; Balustrades; Handrails; Stairways; Layouts thereof characterised by the supporting structure Cantilevered stairways

Recent Application in this class:

20250198164

2025-06-19

SIMPLIFIED STAIRCASE

20230392383

2023-12-07

Folding Stair with Tread Overhang

20200407979

2020-12-31

Cantilever stair assembly

20190136539

2019-05-09

TOWER STEP PEGS HAVING SAFETY LOCKS

20160201334

2016-07-14

Stair systems and wall assemblies comprising same

20150284962

2015-10-08

Stair systems and wall assemblies comprising same

14641102

2016-05-24

Step-block precast stair