E04F2011/1046 - CPC Classification Index

ClassID:

130880 ⎘

E04F2011/1046 - CPC Classification

Classification description:

Stairways, ramps, or like structures ; Balustrades; Handrails; Stairways; Layouts thereof; Treads Miscellaneous features of treads not otherwise provided for

Sub-classes:

E04F2011/1047 » {with means for eliminating squeak} 1
E04F2011/1048 » {with lighting means} 34

Recent Application in this class:

20250198164

2025-06-19

SIMPLIFIED STAIRCASE

20230235566

2023-07-27

Returned stair tread having moisture compensating joint and method for making the same

20220003001

2022-01-06

Returned stair tread having moisture compensating joint and method for making the same

20210277661

2021-09-09

Energy-efficient assistive stairs

20200299970

2020-09-24

Bull nose stair nosing

20200149285

2020-05-14

Energy-efficient assistive stairs

20190032340

2019-01-31

Wedge tread stair box system

20180313091

2018-11-01

Elastic foothold for stairs

20160369514

2016-12-22

Open stair case with center uncut stringer

#10

20140318047

2014-10-30

Method and apparatus for enhancing traction on stair treads

#11

18141939

2026-02-10

Composite stair tread

#12

17187605

2023-02-14

High visibility tape