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LADDERS (E04F 11/00 takes precedence; step-stools A47C 12/00; adaptation of ladders to use on ships B63B, to use on aircraft B64; scaffolding E04G)
Definition statement
This subclass/group covers:

Ladders in general, ladders mounted on undercarriages or vehicles, component parts or accessories of ladders, and ladders in relation with buildings

References relevant to classification in this group
This subclass/group does not cover:
Step-tools
Adaptation of ladders to use on ships
Adaptation of ladders to use on aircrafts
Scaffolding
Staircases
Ladders for special structures, e.g. ladders for swimming- pools
Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00)
Definition statement
This subclass/group covers:

Ladders in general with rigid longitudinal members, e.g. ladders for resting against objects or ladders capable of standing by themselves, and ladders in general with non-rigid longitudinal members, e.g. rope or chain ladders.

References relevant to classification in this group
This subclass/group does not cover:
Hunting stands
Ladders on boats, ships
Staircases
Loft ladders
Swimming pool ladders
Ladders mounted on undercarriages or vehicles
Ladders permanently attached to fixed structures
{ Ladders in use as furniture or ladders in relation to furniture, e.g. in cupboards (step-stools, chairs or benches requiring conversion between the step and seat functions A47C 12/02) }
Definition statement
This subclass/group covers:

Ladders either fixedly or foldably attached to furniture and eventually storable into furniture

References relevant to classification in this group
This subclass/group does not cover:
Step-stools, chairs or benches requiring conversion between the step and seat functions
Ladders for resting against objects, e.g. walls poles, trees (supports for ladder heads E06C 7/48)
Definition statement
This subclass/group covers:

Ladders specially adapted for resting against objects, e.g. walls poles, trees

Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladder heads, as accessories for ladders
multi-part { (E06C 1/32 takes precedence) }
Definition statement
This subclass/group covers:

Ladders comprising a series of longitunal sections fitted substantially end to end and/or ladders being extensible in their length by way of sliding means only (e.g. telescopic ladders)

References relevant to classification in this group
This subclass/group does not cover:
Ladders with a strut which is formed as a ladder and can be secured in line with the ladder (i.e. ladders having a strut formed as a ladder, hinged with the ladder and securable in line with the ladder); Longitunally folded ladders that can be extended in line by unfolding
extensible, e.g. telescopic
Informative references
Attention is drawn to the following places, which may be of interest for search:
Extending means for ladders
Securing devices or hooks for parts of extensible ladders
with {hinged} struts which rest on the ground (with struts rigid with the ladder E06C 1/24; having platforms E06C 1/39)
References relevant to classification in this group
This subclass/group does not cover:
Non-hinged free-standing ladders, e.g. ladders with struts rigid with the ladder
Ladders having platforms
with supporting struts formed as ladders { (E06C 1/32 takes precedence) }
References relevant to classification in this group
This subclass/group does not cover:
Ladders capable of standing by themselves and with telescopic supporting struts formed as ladders
Ladders with a strut which is formed as a ladder and can be secured in line with the ladder
with supporting struts formed as poles { (stabilising struts E06C 7/423) }
Definition statement
This subclass/group covers:

Ladders capable of standing by themselves and with supporting struts formed as poles as part of the ladder.

Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladders having stabilising struts
with extensible, e.g. telescopic, ladder parts or struts
Definition statement
This subclass/group covers:

Ladders capable of standing by themselves and with telescopic supporting struts formed as ladders.

{Non-hinged} free-standing ladders
Special rules of classification within this group

Ladders in E06C 1/24 to E06C 1/28 having extensible parts should also be classified in E06C 1/30

Ladders with a strut which is formed as a ladder and can be secured in line with the ladder
Definition statement
This subclass/group covers:

Ladders with a strut which is formed as a ladder and can be secured in line with the ladder, e.g. ladders having a strut formed as a ladder and hinged with the ladder, that can be secured in line with the ladder. This group also covers longitunally folded ladders that can be extended in line by unfolding.

Informative references
Attention is drawn to the following places, which may be of interest for search:
Hinges
Ladders in general capable of standing by themselves, with hinged struts
Ladders attached to structures, such as windows, cornices, poles, or the like ( {E06C 9/12 takes precedence} ; ladders permanently fastened to buildings E06C 9/00, {e.g. climbing irons E06C 9/04} )
Definition statement
This subclass/group covers:

Ladders specially adapted by using intrinsic means (i.e. the means being part of the ladder) for being attached to or to properly rest against structures, such as windows, cornices, poles or the like

References relevant to classification in this group
This subclass/group does not cover:
Ladders permanently fastened to buildings
Climbing irons
Ladders permanently fastened to buildings, and laterally displaceable
Informative references
Attention is drawn to the following places, which may be of interest for search:
Built-in climbing irons for poles
Ladder heads, as accessories for ladders
Ladders suspendable by hooks or the like { (ladderhooks E06C 7/505) }
Definition statement
This subclass/group covers:

Ladders suspendable by hooks, e.g. ladders having a hook or grab at their top

Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladderhooks, as accessories for a ladder,e.g. hooks to be fixed on a wall for suspending a ladder vertically or horizontally against a wall
Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladders on vehicles formed of links which reinforce themselves against each other
Special constructions of longitudinal members, or rungs or other treats
Foldable ladders in which the longitudinal members are brought together on folding { (E06C 9/085 takes precedence) }
Definition statement
This subclass/group covers:

Foldable ladders in which the longitudinal members are brought together on folding, e.g. ladders in which the rungs are hinged on the longitudinal members, or the hinges are foldable to allow the longitudinal members to be brought together

References relevant to classification in this group
This subclass/group does not cover:
Ladders in general capable of standing by themselves, with hinged struts
Ladders with a strut which is formed as a ladder and can be secured in line with the ladder, e.g. ladders having a strut formed as a ladder and hinged with the ladder, that can be secured in line with the ladder
Ladders permanently attached to fixed structures in which the longitudinal members are brought together on folding
having tip-up steps
Definition statement
This subclass/group covers:

Ladders having tip-up steps, e.g. ladders having rungs collapsible in-line with the ladder on folding

Ladders having platforms; Ladders changeable into platforms (platforms for use on ladders E06C 7/16)
References relevant to classification in this group
This subclass/group does not cover:
Lifts on ladders, as accessories for ladders
Platforms for use on ladders, as accessories
Informative references
Attention is drawn to the following places, which may be of interest for search:
Hunting stands
Scaffolds
characterised by having wheels, rollers, or runners
References relevant to classification in this group
This subclass/group does not cover:
Ladders being mounted on undercarriages or vehicles
Ladders permanently fastened to buildings, and laterally displaceable, e.g. library ladders
with non-rigid longitudinal members
Definition statement
This subclass/group covers:

Ladders in general with non-rigid longitudinal members, e.g. lazy-tongs type, rope or chain ladders

References relevant to classification in this group
This subclass/group does not cover:
Ladders with non-rigid longitudinally members permanently attached to fixed structures and movably mounted, e.g. rope or chain ladders
of the lazy-tongs type
Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladders of the lazy-tongs type mounted on vehicles
Rope or chain ladders
Informative references
Attention is drawn to the following places, which may be of interest for search:
Rope or chain ladders permanently attached to buildings
with both rigid and non-rigid longitudinal members
Definition statement
This subclass/group covers:

Ladders in general having both rigid and non-rigid longitudinal members, e.g. ladders comprising sections in which the longitudinal members are rigid and sections in which the longitudinal members are not rigid

Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles (ladders having wheels, rollers, or runners E06C 1/397) {ladders on boats B63B 27/14}
Definition statement
This subclass/group covers:

Ladders mounted on undercarriages or ground vehicles and having rigid longitudinal members, or ladders mounted on undercarriages or ground vehicles and having non-rigid longitudinal members, and accessories specially adapted therefor.

References relevant to classification in this group
This subclass/group does not cover:
Arrangements of steps or ladders facilitating access to or on a vehicle; retractable
Steps for railway vehicles
Ladders on boats or ships
Ladders having wheels, rollers, or runners
Informative references
Attention is drawn to the following places, which may be of interest for search:
Fittings on vehicle exterior to carry loads
Cranes
Lifting devices
with rigid longitudinal members
References relevant to classification in this group
This subclass/group does not cover:
Running boards for vehicles; for vehicle tops
capable of being elevated or extended {Fastening means during transport, e.g. mechanical, hydraulic}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Retractable steps or ladders facilitating access to vehicles
Carriers for ladders on vehicle roofs
Fastening means on vehicle exterior
Lifting devices for movable platforms, e.g. on vehicles
by piston and cylinder, or equivalent means, operated by a pressure medium
Definition statement
This subclass/group covers:

Ladders having elevating assist, by piston and cylinder, or equivalent means, operated by a pressure medium

Informative references
Attention is drawn to the following places, which may be of interest for search:
Lifting devices for movable platforms suspended from booms, e.g. on vehicles
Pistons; Cylinders; Pressure vessels
using hand-power (hand-operated extending means carried by the ladder E06C 7/04)
Informative references
Attention is drawn to the following places, which may be of interest for search:
Hand-operated extending means carried by the ladder
by, or with the assistance of, springs (E06C 5/06, E06C 5/16 take precedence)
References relevant to classification in this group
This subclass/group does not cover:
Ladders mounted on vehicles, with rigid longitudinal members, and capable of being elevated or extended by piston and cylinder or equivalent means
Ladders mounted on vehicles, with rigid longitudinal members, and capable of being elevated or extended using mechanical transmission
Dismounting ladders from vehicles {or supporting means}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Carriers for ladders on vehicles facilitating loading or unloading
with non-rigid longitudinal members
Definition statement
This subclass/group covers:

Ladders mounted on undercarriages or vehicles and having non-rigid longitudinal members

Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladders in general with non-rigid longitudinal members; Ladders in general with both rigid and non-rigid longitudinal members
Ladders permanently attached to fixed structures, with non-rigid longitudinal members
of the lazy-tongs type
Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladder in general of the lazy-tongs type
Accessories {e.g. brakes on ladders}
Definition statement
This subclass/group covers:

Safety devices and accessories for use with or on ladders mounted on undercarriages or vehicles

Informative references
Attention is drawn to the following places, which may be of interest for search:
Accessories on ladders in general
Indicating devices
Informative references
Attention is drawn to the following places, which may be of interest for search:
Indicating devices for ladders in general
Safety devices against slipping or falling of ladders; Safety device against overloading ladders
Informative references
Attention is drawn to the following places, which may be of interest for search:
Devices for preventing persons from falling from ladders in general
Devices for blocking the springs of the vehicle; Devices for supporting the undercarriage directly form the ground
Informative references
Attention is drawn to the following places, which may be of interest for search:
Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle
Hydraulic supports for cranes
Other accessories on ladders, e.g. acoustical signalling devices, dismountable switchboards
Informative references
Attention is drawn to the following places, which may be of interest for search:
Indicating devices for ladders in general, e.g. user warnings or inclinators
Devices for preventing access on ladders in general
Component parts, supporting parts, or accessories
Definition statement
This subclass/group covers:

Component parts, supporting parts, or accessories for ladders in general, e.g. lifts or hoisting devices on ladders, holders for pails or other equipment on ladders, accessorial platforms on ladders, ladder heads and ladder feet.

{Indicating devices, e.g. user warnings or inclinators }
Informative references
Attention is drawn to the following places, which may be of interest for search:
Indicating devices for ladders mounted on undercarriages or vehicles; Acoustical signalling devices for ladders mounted on undercarriages or vehicles
Extending means (for ladders mounted on undercarriages or vehicles E06C 5/00)
References relevant to classification in this group
This subclass/group does not cover:
Extending means for ladders mounted on undercarriages or vehicles
Informative references
Attention is drawn to the following places, which may be of interest for search:
Extensible, telescopic ladders in general
Hand-operated extending means carried by the ladder
Informative references
Attention is drawn to the following places, which may be of interest for search:
Hand-operated extending means for ladders mounted on vehicles
Securing devices or hooks for parts of extensible ladders
Informative references
Attention is drawn to the following places, which may be of interest for search:
Extensible ladders in general
Special construction of longitudinal members, or rungs or other treads
Definition statement
This subclass/group covers:

Constructive details of longitudinal members, rungs or other threads, e.g. rungs styles connections

Informative references
Attention is drawn to the following places, which may be of interest for search:
Special constructions of ladders
Reinforcements for ladders
Lifts or other hoisting devices on ladders
Informative references
Attention is drawn to the following places, which may be of interest for search:
Mobile or transportable lifts
Lifting devices in general
Ladders having platforms
Platforms for use on ladders, as ladder accessories
Holders for pails or other equipment on or for ladders
Informative references
Attention is drawn to the following places, which may be of interest for search:
Holders for paint cans
Platforms for use on ladders, as ladder accessories
Platforms on, or for use on, ladders, e.g. liftable or lowerable platforms (aspects relating to the lifting B66F)
Informative references
Attention is drawn to the following places, which may be of interest for search:
Mobile or transportable lifts
Lifting devices in general
Ladders having platforms
Lifts or other hoisting devices on ladders
E06C/12
Devices for preventing persons from falling (life-saving belts A62B 1/16) {Safety devices for window-cleaners A47L 3/00}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Safety devices for window cleaners
Life-saving belts
Safety devices against falling of ladder supported on a vehicle
{Rail or rope for guiding a safety attachment, e.g. a fall arrest system}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Devices for lowering persons from buildings
Fall arresting devices
{Accessories for temporary stabilising a ladder, e.g. temporary attaching devices (ladder feet or struts E06C 7/42, ladder heads E06C 7/48) }
References relevant to classification in this group
This subclass/group does not cover:
Ladder feets or struts
Ladder heads
Ladder feet; Supports therefor (for scaffold elements E04G 5/02)
Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladder feet for scaffoldings
{Ladder stabilising struts}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladder having struts formed as poles
Means for mounting ladders on uneven ground
Definition statement
This subclass/group covers:

Means for mounting ladders on uneven ground, i.e. means for mounting ladders on a staircase

Non-skid equipment
Definition statement
This subclass/group covers:

Non-skid equipment for ladder feet, e.g. anchor in the ground

Ladder heads; Supports for heads of ladders for resting against objects {ladders attachable to structures such as poles E06C 1/34}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladders attached specially adapted to be attached to structures like windows, poles, cornices
Joints or other connecting parts
Definition statement
This subclass/group covers:

Joints or other connecting parts for fixing ladders to each other or to construction parts, e.g. ladderhooks to be fixed on a wall to suspend a ladder vertically or horizontally against a wall. Hinges are not considered here to be connections.

Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladders having hinges
Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes (movable stairways E04F 11/04; {means for facilitating access to swimming pools E04H 4/144} )
Definition statement
This subclass/group covers:

Ladders permanently attached to fixed structures, either rigidly mounted, e.g. in the form of climbing irons, or movably mounted, e.g. having rigid longitudinal members and being laterally displaceable, or having non-rigid longitudinal members like a rope or chain escape ladder.

References relevant to classification in this group
This subclass/group does not cover:
Staircases
Means for facilitating access to swimming pools
Informative references
Attention is drawn to the following places, which may be of interest for search:
Movable stairways
in the form of climbing irons or the like { (built-in climbing irons for poles A63B 27/00; built-in climbing devices as construction element E04F 11/00) }
References relevant to classification in this group
This subclass/group does not cover:
Built-in climbing irons for poles
Built-in climbing devices as construction element, e.g. staircases
{ladders unfolded in the direction of the longitudinal members}
Definition statement
This subclass/group covers:

Ladders permanently attached to fixed structures in which the longitudinal members can be brought together, e.g. ladders in which the rungs are hinged on the longitudinal members

Informative references
Attention is drawn to the following places, which may be of interest for search:
Foldable general ladders in which the longitudinal members are brought together on folding
forming part of a building, such as a balcony grid, window grid, or other window part {with non-rigid longitudinal members E06C 9/14}
References relevant to classification in this group
This subclass/group does not cover:
Ladders forming part of a building with non-rigid longitudinal members
laterally displaceable
Definition statement
This subclass/group covers:

Ladders movably mounted on a fixed structure and laterally displaceable, e.g. library ladders

with non-rigid longitudinal members, e.g. rope or chain ladders, ladders of the lazy-tongs type
Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladders in general with non rigid longitudinal members
This page is owned by Office of Patent Classification.
Last Modified: 10/11/2013