ClassID:

130921

E04F11/1863 - CPC Classification

Classification description:

Stairways, ramps, or like structures ; Balustrades; Handrails; Balustrades; Handrails Built-in aids for ascending or descending stairs

Recent Application in this class:
#1
20250027320
2025-01-23

STAIR ASSISTANCE DEVICE

#2
20240099924
2024-03-28

STAIR NAVIGATION ASSIST SYSTEM

#3
20230399852
2023-12-14

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

#4
20220034095
2022-02-03

EXTENDABLE RAIL SYSTEM FOR HELIPORTS

#5
20210404188
2021-12-30

Stair cage

#6
20210353495
2021-11-18

Power assistive device for stair ascent and descent

#7
20210087821
2021-03-25

Telescopic staircase system and uses thereof

#8
20190010709
2019-01-10

EXTENDABLE RAIL SYSTEM FOR HELIPORTS

#9
20180347206
2018-12-06

STAIR ASSISTANCE DEVICE

#10
20180328043
2018-11-15

STAIRS ASSISTANCE DEVICE AND METHOD

#11
20160237690
2016-08-18

SYSTEMS AND METHODS FOR MONITORING USE OF RAIL ON A FOOTPATH

#12
20160194880
2016-07-07

Auto-rotating aisle rail systems and methods

#13
20160090743
2016-03-31

Stair assistance device

#14
20160032592
2016-02-04

EXTENDABLE RAIL SYSTEM FOR HELIPORTS

#15
20160017611
2016-01-21

STAIR AND RAMP MOBILITY APPARATUS HAVING SECURE TRANSITION METHOD

#16
20150113884
2015-04-30

Telescopic or retractable bleacher handrail and system

#17
20150021536
2015-01-22

Removable reversible handrail assistance device

#18
20140374681
2014-12-25

Stairway Assist Apparatus

#19
20140231738
2014-08-21

Locking system for a stair assistance device

#20
20140150354
2014-06-05

Stair climbing assistance device

#21
20120032129
2012-02-09

Temporary railing system

#22
20110173904
2011-07-21

Support apparatus and method for assisted traversal of a structure

#23
20110042638
2011-02-24

Handrail for preventing stairway falls

#24
20100242299
2010-09-30

UV CURING SYSTEM AND PROCESS

#25
20100108443
2010-05-06

ELECTRONIC STAIRS BARRIER AND GUIDE

#26
20090140223
2009-06-04

Safer handrail

#27
20090127533
2009-05-21

DUAL USE WALL MOUNTED CHILD SAFETY BANISTER

#28
20090039327
2009-02-12

Toddler Stair Safety System

#29
20080303012
2008-12-11

Isokinetic hand railing system

#30
20080264722
2008-10-30

Stair climbing aid

#31
20080209853
2008-09-04

Handrail for toddlers

#32
20080160211
2008-07-03

Rotary UV Curing Method and Apparatus

#33
20080061278
2008-03-13

Toddler stair safety system

#34
20070017170
2007-01-25

Support apparatus and method for assisted traversal of a structure

#35
20060243112
2006-11-02

Assist apparatus and method

#36
20060242917
2006-11-02

Stairs assistance device

#37
20060201096
2006-09-14

Isokinetic hand railing

#38
20060121208
2006-06-08

Multiple wavelength UV curing

#39
20060118773
2006-06-08

Handrail for toddlers

#40
20060102886
2006-05-18

Hand rail for stairs and inclined corridors

#41
20060102885
2006-05-18

Hand rail for stairs and inclined corridors

#42
20050055900
2005-03-17

Toddler stair safety system

#43
20050042390
2005-02-24

Rotary UV curing method and apparatus

#44
15694001
2018-09-04

Stairway safety rail system