E04F11/022 - CPC Classification Index

ClassID:

130859 ⎘

E04F11/022 - CPC Classification

Classification description:

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

Sub-classes:

E04F11/0223 » {Cantilevered stairways } 5
E04F11/0226 » {Stairways having treads supported by balusters} 2
E04F11/025 » Stairways having stringers 61
E04F11/032 » Spiral stairways supported by a central column 25
E04F11/035 » Stairways consisting of a plurality of assembled modular parts without further support 52

Recent Application in this class:

20240263454

2024-08-08

Walkway System and Method

20230068973

2023-03-02

CONSTRUCTION OF A BUILDING

20230052761

2023-02-16

Underground shelter with air-intake system

20220299997

2022-09-22

Building

20220185189

2022-06-16

STAIR ASSEMBLY

20220154461

2022-05-19

Modular deck apparatus

20220098869

2022-03-31

Frame and stair systems and methods

20210162251

2021-06-03

Exercise apparatus having a stair and slide assembly

20210115658

2021-04-22

Rotational connections for stairs

#10

20200299958

2020-09-24

Modular deck apparatus

#11

20200123780

2020-04-23

FRAME FOR AN UNDERSTAIRS STORAGE SYSTEM

#12

20190203476

2019-07-04

Method of assembly of modular stair assistance device for pets

#13

20190119906

2019-04-25

Stair installation bracket

#14

20190093367

2019-03-28

STAIR SYSTEM AND MANUFACTURING

#15

20180202143

2018-07-19

Stair installation bracket

#16

20170247888

2017-08-31

STAIR SYSTEMS AND WALL ASSEMBLIES COMPRISING SAME

#17

20170058533

2017-03-02

Curved staircase

#18

20170009443

2017-01-12

Earthquake resistant building connection and an earthquake resistant staircase system

#19

20160215496

2016-07-28

Stair expansion joint system with freedom of movement between landings

#20

20160201334

2016-07-14

Stair systems and wall assemblies comprising same

#21

20160169192

2016-06-16

Wind turbine with a concrete tower and method for the assembly thereof

#22

20150284962

2015-10-08

Stair systems and wall assemblies comprising same

#23

20150272348

2015-10-01

Rack System and Bracket

#24

20150113890

2015-04-30

ATTIC STEP

#25

20140150358

2014-06-05

ANCHORING SYSTEM FOR SWIMMING POOL STAIRS

#26

20120233937

2012-09-20

ANCHORING SYSTEM FOR SWIMMING POOL STAIRS

#27

20120167521

2012-07-05

LOST FORMWORK STRUCTURE FOR MAKING STAIRCASES AND STAIR-LANDINGS, METHOD FOR MAKING SUCH STRUCTURES AND METHOD FOR THE RELATIVE APPLICATION

#28

20120102855

2012-05-03

Composite step tread

#29

20110146169

2011-06-23

Stairway

#30

20100293875

2010-11-25

Stairway for Use on Building Sites

#31

20100107523

2010-05-06

Bent pole composite stairs

#32

20080236065

2008-10-02

Method installing a modular concrete stair system

#33

20080120928

2008-05-29

Anchoring System For Swimming Pool Stairs

#34

20050236351

2005-10-27

Board mounting to support system

#35

20050223659

2005-10-13

Attachment of building elements

#36

18221016

2024-04-02

Adjustable step system

#37

18116895

2023-07-18

Anti-seismic braced scissor stairs and frame stairs system

#38

16523086

2020-08-18

Method and apparatus for installing a staircase assembly into a building

#39

16383060

2020-04-07

Landscaping structure

#40

15803585

2020-10-06

Exercise apparatus having a stair and slide assembly

#41

14261770

2015-01-06

Wall, roof and building structures