Patents-Review.com
ClassID:

130884 ⎘

E04F11/112 - CPC Classification

Classification description:

Stairways, ramps, or like structures ; Balustrades; Handrails; Stairways; Layouts thereof; Treads of metal or with an upper layer of metal

Recent Application in this class:
#1
20260146458
2026-05-28

PLATFORM SYSTEM

 #2
20250101806
2025-03-27

CEILING LADDER, DEEP STEP AND METHOD

 #3
20240110442
2024-04-04

Ceiling ladder, deep step and method

 #4
20230332420
2023-10-19

PLATFORM SYSTEM

 #5
20230212860
2023-07-06

METHOD FOR PRODUCING A STRUCTURAL ELEMENT, AND A STAIRCASE AND A STRUCTURAL ELEMENT AND A STAIRCASE WHICH HAVE BEEN PRODUCED ACCORDING TO THIS METHOD

 #6
20220205322
2022-06-30

Platform system

 #7
20220120137
2022-04-21

Ceiling Ladder, Deep Step and Method

 #8
20210238860
2021-08-05

INVISIBLE STAIRCASE

 #9
20210087821
2021-03-25

Telescopic staircase system and uses thereof

 #10
20200407979
2020-12-31

Cantilever stair assembly

 #11
20200224427
2020-07-16

Platform system

 #12
20200149347
2020-05-14

Ceiling ladder, deep step and method

 #13
20190360212
2019-11-28

Tread mounting system for spiral staircase

 #14
20190338592
2019-11-07

Platform system

 #15
20190338530
2019-11-07

Tread surface for decking system

 #16
20190249441
2019-08-15

STAIR TREAD PAN DESIGN WITH BOLT-IN PRE-CAST CONCRETE/OTHER MATERIAL TREAD CAPABILITY

 #17
20170275888
2017-09-28

Platform system

 #18
20160369514
2016-12-22

Open stair case with center uncut stringer

 #19
20160356043
2016-12-08

Architectural pavements in elevated exterior deck applications

 #20
20160326747
2016-11-10

Tread for steel-pan stairways

 #21
20160201334
2016-07-14

Stair systems and wall assemblies comprising same

 #22
20150284962
2015-10-08

Stair systems and wall assemblies comprising same

 #23
20150267470
2015-09-24

Platform system

 #24
20150167310
2015-06-18

Tank farm system

 #25
20150167309
2015-06-18

Portable pathway apparatus

 #26
20150113890
2015-04-30

ATTIC STEP

 #27
20130239496
2013-09-19

Stair system

 #28
20130045357
2013-02-21

Non-slip surface and process for making same

 #29
20130015016
2013-01-17

PLATFORM SYSTEM

 #30
20120266550
2012-10-25

Architectural Pavements in Elevated Exterior Deck Applications

 #31
20120080270
2012-04-05

Apparatus and method for a portable pathway

 #32
20120073902
2012-03-29

PLATFORM SYSTEM

 #33
20110225906
2011-09-22

Stepped structure

 #34
20110067328
2011-03-24

ARCHITECTURAL PAVEMENTS IN ELEVATED EXTERIOR DECK APPLICATIONS

 #35
20100294593
2010-11-25

Method and apparatus for a stair assembly

 #36
20100242383
2010-09-30

Modular element for making fixed ladders

 #37
20100132278
2010-06-03

METHOD AND SYSTEM FOR COUPLING A STAIR PLATFORM TO A TOWER OF A WIND ENERGY TURBINE

 #38
20100032633
2010-02-11

Fall restraint equipment components and method for manufacturing the same

 #39
20100031456
2010-02-11

Fall restraint equipment component and method for manufacturing the same

 #40
20100031455
2010-02-11

Fall restraint equipment component and method for manufacturing the same

 #41
20090307997
2009-12-17

Grate panel with upright brace structure

 #42
20090293385
2009-12-03

Boltless Metal Stair Step System for Indoor/Outdoor Staircase Installation

 #43
20090205906
2009-08-20

Scaffold steps

 #44
20080276553
2008-11-13

Affordable, sustainable buildings comprised of recyclable materials and methods thereof

 #45
20080005988
2008-01-10

Floor or wall covering

 #46
20060087094
2006-04-27

ANTI-SLIP STEP FOR A MOTOR VEHICLE AND A METHOD OF FORMING THE SAME

 #47
20050117969
2005-06-02

Anti-slip step for a motor vehicle and a method of forming the same

 #48
20050097835
2005-05-12

Stairway

 #49
15987668
2019-08-13

Tread mounting system for spiral staircase

 #50
14558461
2015-10-27

Stair tread