ClassID:

130876

E04F11/1041 - CPC Classification

Classification description:

Stairways, ramps, or like structures ; Balustrades; Handrails; Stairways; Layouts thereof; Treads having means to adjust the height, the depth and/or the slope of the stair steps

Recent Application in this class:
#1
20250207405
2025-06-26

REINFORCED ADJUSTABLE STAIR TRAY

#2
20240287811
2024-08-29

Staircase with adjustable height risers

#3
20230399852
2023-12-14

STAIRCASE WITH INSTRUMENTED STEPS WITH LIFTING ACTUATOR FOR ASSISTED ASCENT OR DESCENT

#4
20230313535
2023-10-05

STAIR STRINGER ASSEMBLY, SYSTEM, AND METHOD

#5
20230295987
2023-09-21

NARROW INGRESS AND EGRESS STEP ASSEMBLY AND METHODS FOR ACCESSING LIFTED BOAT IN A COVERED DOCK

#6
20220381037
2022-12-01

STEP FOR A MODULAR STAIRCASE AND RELATIVE BUILDING METHOD

#7
20220349185
2022-11-03

Floating modular stair system

#8
20210396017
2021-12-23

Modular staircase systems

#9
20210355686
2021-11-18

Stair assembly with rise adjustable step support brackets

#10
20200240149
2020-07-30

Self-leveling platform stairs

#11
20200109567
2020-04-09

Stair assembly with rise adjustable step support brackets

#12
20190249441
2019-08-15

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

#13
20190003186
2019-01-03

Spacer for prefabricated spiral staircase and prefabricated spiral staircase using same

#14
20180347204
2018-12-06

STEP FOR MODULAR STAIRCASE

#15
20170356196
2017-12-14

Angle adjustable tread holding brackets for staircases

#16
20170241142
2017-08-24

Kit of parts for modular staircase

#17
20160060875
2016-03-03

Stairway tread support device and system

#18
20150211234
2015-07-30

Adjustable staircase and height-adjustable platform with adjustable staircase

#19
20150167310
2015-06-18

Tank farm system

#20
20150167309
2015-06-18

Portable pathway apparatus

#21
20130239496
2013-09-19

Stair system

#22
20130000231
2013-01-03

Walkway assembly

#23
20120080271
2012-04-05

Apparatus and method for a portable pathway

#24
20120080270
2012-04-05

Apparatus and method for a portable pathway

#25
20110127113
2011-06-02

ELEVATING DEVICE FOR A STAIRCASE

#26
20090205267
2009-08-20

Stair stringer assembly

#27
20090139161
2009-06-04

Log staircase and a method of producing components for a log staircase

#28
20050284043
2005-12-29

Stair system with expandable center

#29
20050210775
2005-09-29

Component and method for restoring a stairway

#30
20050097835
2005-05-12

Stairway

#31
18221016
2024-04-02

Adjustable step system

#32
18207215
2024-06-25

Convertible stairs for wheelchair accessibility

#33
16679190
2020-08-11

Stackable step component with adjustable tread incline

#34
16383060
2020-04-07

Landscaping structure

#35
14202478
2015-07-28

Adjustable staircase