ClassID:

130862

E04F11/025 - CPC Classification

Classification description:

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

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

PLATFORM SYSTEM

#2
20250188748
2025-06-12

ROTATABLE STAIR-DECK SYSTEM

#3
20250146292
2025-05-08

ADJUSTABLE STAIR RAILING POST ASSEMBLY

#4
20250109595
2025-04-03

STAIRWAY, SET OF STAIRS AND METHOD FOR PRODUCING A SET OF STAIRS

#5
20240279936
2024-08-22

MODULAR STAIRCASE

#6
20240191507
2024-06-13

STAIR SYSTEM

#7
20240035285
2024-02-01

BUILDING COMPONENTS, STRUCTURES FORMED THEREFROM AND RELATED METHODS

#8
20230392383
2023-12-07

Folding Stair with Tread Overhang

#9
20230332420
2023-10-19

PLATFORM SYSTEM

#10
20230058386
2023-02-23

Stair stringer

#11
20220372765
2022-11-24

Modular staircase and method of constructing same

#12
20220205322
2022-06-30

Platform system

#13
20220154461
2022-05-19

Modular deck apparatus

#14
20210372150
2021-12-02

Lifeguard observation station

#15
20210087821
2021-03-25

Telescopic staircase system and uses thereof

#16
20200299958
2020-09-24

Modular deck apparatus

#17
20200224427
2020-07-16

Platform system

#18
20200217077
2020-07-09

Hidden construction bracket and related method

#19
20190338592
2019-11-07

Platform system

#20
20190338529
2019-11-07

Modular stair system

#21
20190203476
2019-07-04

Method of assembly of modular stair assistance device for pets

#22
20190186150
2019-06-20

Modular stair system

#23
20190106890
2019-04-11

TOOL FOR DESIGNING STAIR STRINGERS

#24
20190032340
2019-01-31

Wedge tread stair box system

#25
20170356196
2017-12-14

Angle adjustable tread holding brackets for staircases

#26
20170275888
2017-09-28

Platform system

#27
20170145698
2017-05-25

STAIR TREAD AND IMPROVED METHOD OF BUILDING A STAIRWAY

#28
20170058533
2017-03-02

Curved staircase

#29
20160369514
2016-12-22

Open stair case with center uncut stringer

#30
20160356043
2016-12-08

Architectural pavements in elevated exterior deck applications

#31
20160319551
2016-11-03

Staircase element and method for building a staircase

#32
20160222673
2016-08-04

Stair case

#33
20160208495
2016-07-21

Staircase Element and Method for Building a Staircase

#34
20160060875
2016-03-03

Stairway tread support device and system

#35
20150267470
2015-09-24

Platform system

#36
20150082716
2015-03-26

PRECISION BUILT STAIRCASE

#37
20140373462
2014-12-25

Prefabricated staircase and finishing arrangement and installation method therefor

#38
20140190118
2014-07-10

Staircase and method for construction

#39
20130255168
2013-10-03

Staircase and method for construction

#40
20130239496
2013-09-19

Stair system

#41
20130015016
2013-01-17

PLATFORM SYSTEM

#42
20120304560
2012-12-06

Kit for producing a stair case

#43
20120266550
2012-10-25

Architectural Pavements in Elevated Exterior Deck Applications

#44
20120073902
2012-03-29

PLATFORM SYSTEM

#45
20120011786
2012-01-19

Structural stringer for stairways

#46
20110067328
2011-03-24

ARCHITECTURAL PAVEMENTS IN ELEVATED EXTERIOR DECK APPLICATIONS

#47
20100319278
2010-12-23

Prefabricated staircase and finishing arrangement and installation method therefor

#48
20100287854
2010-11-18

Modular stairway system and kit therefor

#49
20100132278
2010-06-03

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

#50
20100059314
2010-03-11

Inspection Platform

#51
20090293385
2009-12-03

Boltless Metal Stair Step System for Indoor/Outdoor Staircase Installation

#52
20090277105
2009-11-12

Stairway stringer and finished stairway skirt board

#53
20090205267
2009-08-20

Stair stringer assembly

#54
20090151275
2009-06-18

ARCHITECTURAL PAVEMENTS IN ELEVATED EXTERIOR DECK APPLICATIONS

#55
20090056268
2009-03-05

STAIR HANGER

#56
20080276553
2008-11-13

Affordable, sustainable buildings comprised of recyclable materials and methods thereof

#57
20080244997
2008-10-09

Method for forming a finished skirt/fascia board appearance

#58
20080040992
2008-02-21

Stair hanger

#59
20070234653
2007-10-11

Support system for stair treads

#60
20070113493
2007-05-24

Stair bracket system and method

#61
20070017169
2007-01-25

STAIR BRACKET SYSTEM AND METHOD

#62
20060248817
2006-11-09

Portable, modular stairway system and device

#63
20050284043
2005-12-29

Stair system with expandable center

#64
20050210775
2005-09-29

Component and method for restoring a stairway

#65
20050081461
2005-04-21

Stair bracket system and method

#66
19225641
2025-11-04

Metal and steel substructure framing systems

#67
14877042
2017-02-28

Stair tread and improved method of building a stairway

#68
14720232
2015-12-15

Modular stairway

#69
13735436
2014-02-18

Stairs and mezzanine and method for constructing same