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Indent Level
Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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IMPLEMENTS FOR WRITING OR DRAWING (containers, casings or accessories for cosmetic substances, e.g. shaving soap, lipstick, make-up A45D 34/00, A45D 40/00)
NOTE
-
In this subclass, the following expression is used with the meaning indicated:-"writing implements" covers pens, pencils, crayons, chalks or like markers for writing or drawing

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Nibs (continuously adjustable nibs B43K 17/00); Writing-points (for indicating or recording apparatus G01D 15/16)
B43K 1/003
.
{
Capillary nibs
}
B43K 1/006
.
{
Porous nibs (B43K 1/12 takes precedence)
}
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B43K 1/01
.
with ink reservoirs, e.g. funnel-shaped
B43K 1/015
. .
{
Funnel-shaped reservoirs
}
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B43K 1/02
.
Split nibs
B43K 1/04
. .
with broadened tips
B43K 1/06
.
Tubular writing-points
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B43K 1/08
.
with ball points; Balls or ball beds
{
(B43M 11/085 takes precedence)
}
B43K 1/082
. .
{
Balls
}
B43K 1/084
. .
{
Ball beds
}
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B43K 1/086
. .
{
with resilient supporting means for the ball, e.g. springs
}
B43K 1/088
. . .
{
with an intermediate element between the resilient supporting means and the ball
}
B43K 1/10
.
Wire nibs
B43K 1/12
.
Writing-points comprising fibres; Felt pads
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Nib holders (holders for continuously adjustable nibs B43K 17/00)
B43K 3/005
.
{
Nib pinchers
}
B43K 3/02
.
with ink guards
B43K 3/04
.
with retractable nibs (mechanisms for retracting or locking nibs B43K 24/00)
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Pens with ink reservoirs in holders, e.g. fountain-pens (nibs or writing-points with ink reservoirs B43K 1/01; ball-point pens B43K 7/00; pens with writing-points other than nibs or balls B43K 8/00; multiple-point writing implements B43K 27/00)
B43K 5/005
.
{
Pen barrels
}
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B43K 5/02
.
Ink reservoirs
B43K 5/025
. .
{
with multiple colours
}
B43K 5/03
. .
specially adapted for concentrated ink, e.g. solid ink
B43K 5/04
. .
flexible
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B43K 5/06
. .
with movable pistons
{
for withdrawing ink from an ink-receptacle (B43K 5/1818 takes precedence)
}
B43K 5/08
. . .
with ink-supplying valves
{
(B43K 5/145 takes precedence)
}
B43K 5/10
. .
with reserve ink chambers
B43K 5/12
. .
with ink-level inspection means
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B43K 5/14
. .
Exchangeable ink cartridges
B43K 5/145
. . .
{
with valves
}
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B43K 5/16
.
with retractable nibs (mechanisms for retracting or locking nibs B43K 24/00)
B43K 5/165
. .
{
with detachable means, e.g. caps, co-operating with the writing element
}
B43K 5/17
. .
with closing means
{
(B43K 5/165 takes precedence)
}
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B43K 5/18
.
Arrangements for feeding the ink to the nibs
B43K 5/1809
. .
{
Feed bars
}
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B43K 5/1818
. .
{
Mechanical feeding means, e.g. valves; Pumps
}
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B43K 5/1827
. . .
{
Valves
}
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B43K 5/1836
. . . .
{
automatically closing
}
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B43K 5/1845
. . . . .
{
opened by actuation of the writing point (nibs with ball points with resilient supporting means, e.g. acting as a valve B43K 1/086)
}
B43K 5/1854
. . . . . .
{
mounted on ink-cartridges
}
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B43K 5/1863
. . . . .
{
opened by actuation of the rear-side of the pen
}
B43K 5/1872
. . . . . .
{
mounted on ink-cartridges
}
B43K 5/1881
. . . . .
{
when the writing point points upwards
}
B43K 5/189
. . .
{
Pumps
}
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Ball-point pens (
{
B43M 11/085 takes precedence
}
; multiple-point writing implements B43K 27/00)
B43K 7/005
.
{
Pen barrels
}
B43K 7/01
.
for low viscosity liquid ink
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B43K 7/02
.
Ink reservoirs; Ink cartridges (B43K 7/01 takes precedence)
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B43K 7/03
. .
pressurised, e.g. by gas
B43K 7/035
. . .
the gas acting on a piston
B43K 7/04
. .
Arrangements for filling the reservoirs, e.g. arrangements at the ball-point ends
B43K 7/06
. .
Reservoirs with ink-level inspection means
B43K 7/08
. .
Preventing leakage
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B43K 7/10
.
Arrangements for feeding ink to the ball points (B43K 7/01 takes precedence)
B43K 7/105
. .
{
Feed bars
}
B43K 7/12
.
with retractable ball points (mechanisms for retracting or locking ball points B43K 24/00)
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Pens with writing-points other than nibs or balls (brushes with reservoir for supplying substances A46B 11/00)
B43K 8/003
.
N: Pen barrels]
B43K 8/006
.
{
using a spraying system, e.g. airbrushes
}
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B43K 8/02
.
with writing-points comprising fibres, felt, or similar porous or capillary material (B43K 8/22 takes precedence)
B43K 8/022
. .
{
with writing-points comprising fibres
}
B43K 8/024
. .
{
with writing-points comprising felt
}
B43K 8/026
. .
{
with writing-points comprising capillary material
}
B43K 8/028
. .
{
Movable closure or gate
}
B43K 8/03
. .
Ink reservoirs; Ink cartridges
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B43K 8/04
. .
Arrangements for feeding ink to writing-points
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B43K 8/06
. . .
Wick feed from within reservoir to writing-points
B43K 8/08
. . . .
Wick separate from writing-points
B43K 8/10
. . .
including compartment for soluble solid material
B43K 8/12
. . .
writing-points or writing-point units being separable from reservoir
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B43K 8/14
.
with coreless tubular writing-points
B43K 8/143
. .
{
Arrangements for feeding the ink to the writing-points
}
B43K 8/146
. .
{
Ink cartridges, ink reservoirs
}
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B43K 8/16
.
with tubular writing-points comprising a movable cleaning element
B43K 8/165
. .
{
Ink cartridges, ink reservoirs
}
B43K 8/18
. .
Arrangements for feeding the ink to the writing-points
B43K 8/20
.
with roller writing-points
B43K 8/22
.
with electrically or magnetically activated writing-points
B43K 8/24
.
characterised by the means for retracting writing-points
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Filling devices (ink receptacles B43L 25/00)
B43K 11/005
.
{
for refilling capillary reservoirs
}
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Devices for removing nibs; Devices for cleaning nibs, e.g. by wiping (ink receptacles with pen-wiping means B43L 25/12)
B43K 13/005
.
{
for extracting nibs
}
B43K 13/02
.
for cleaning nibs, e.g. ink reservoirs therein
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Assembling, finishing, or repairing pens
B43K 15/02
.
Automatic machines
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Continuously-adjustable nibs, e.g. for drawing-pens; Holders therefor (features common to fountain pens B43K 5/00)
B43K 17/005
.
{
continuously-adjustable nibs
}
B43K 17/01
.
Nibs with ink reservoirs
B43K 17/02
.
Nibs having more than two legs
B43K 17/04
.
Holders with arrangements for drawing dotted lines
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Non-propelling pencils; Styles; Crayons; Chalks (batik pencils, cord-line chalkers B44D 3/00; writing-core compositions for pencils, crayon compositions, chalk compositions C09D 13/00)
B43K 19/003
.
{
Chalks
}
B43K 19/006
.
{
with single short leads
}
B43K 19/02
.
Pencils with graphite; Coloured pencils
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B43K 19/04
.
Pencils with metallic writing-core
B43K 19/06
. .
the writing-core being made from substance wearing off during use
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B43K 19/08
. .
the writing-core being made from wear-resistant substances
B43K 19/10
. . .
equipped with ball-point (using ink B43K 1/08, B43K 7/00)
B43K 19/12
.
Slate pencils
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B43K 19/14
.
Sheathings
B43K 19/145
. .
{
with paper sheaths
}
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B43K 19/16
.
Making non-propelling pencils (making slate-pencil writing-cores B28D)
B43K 19/18
. .
Making pencil writing-cores
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Propelling pencils (projecting mechanisms for writing units B43K 24/00; multiple-point writing implements B43K 27/00)
B43K 21/003
.
{
with lead sections or lead cartridges
}
B43K 21/006
.
{
Pencil-barrels
}
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B43K 21/02
.
Writing-core feeding mechanisms
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B43K 21/027
. .
with sliding tubelike writing-core guide
B43K 21/033
. . .
with automatic feed by pressure during use of pencil
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B43K 21/04
. .
with the writing-cores brought into position by gravity
B43K 21/045
. . .
{
with writing-cores automatically replaced from magazines
}
B43K 21/06
. .
with the writing-cores fed by means sliding in longitudinally-slotted casings
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B43K 21/08
. .
with the writing-cores fed by screws
B43K 21/085
. . .
{
with a threaded propelling shank
}
B43K 21/10
. . .
with separate writing-core remnants ejecting-bar
B43K 21/12
. . .
with means preventing over-winding
B43K 21/14
. . .
with writing-cores automatically replaced from magazines
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B43K 21/16
. .
with stepwise feed of writing-cores
B43K 21/18
. . .
having ratchet means
B43K 21/20
. . .
with writing-cores automatically replaced from magazines
B43K 21/22
. .
Writing-core gripping means, e.g. chucks
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B43K 21/24
.
Assembling, finishing, or repairing propelling pencils (making pencil writing-cores B43K 19/18)
B43K 21/26
. .
Automatic machines
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Holders or connectors for writing implements; Means for protecting the writing-points
{
(B43K 27/003 takes precedence)
}
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B43K 23/001
.
{
Supporting means (bracelets with means for attaching a writing instrument or a memo pad A44C 5/0046)
}
B43K 23/002
. .
{
with a fixed base
}
B43K 23/004
.
Holders specially adapted for assisting handicapped or disabled persons to write (B43L 15/00 takes precedence)
B43K 23/008
.
Holders comprising finger grips (B43K 23/004, B43K 23/012 take precedence)
B43K 23/012
.
Holders for attachment to finger tips (B43K 23/004 takes precedence)
B43K 23/016
.
Holders for crayons or chalks (B43K 23/004 to B43K 23/012, B43K 23/02 take precedence)
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B43K 23/02
.
with means for preventing rolling (B43K 23/004 to B43K 23/012 take precedence)
B43K 23/04
. .
enabling the writing implement to be set upright
B43K 23/06
.
Means for connecting two or more writing implements
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B43K 23/08
.
Protecting means, e.g. caps
B43K 23/10
. .
for pencils
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B43K 23/12
. .
for pens
{
(caps co-operating with retractable nibs B43K 5/165)
}
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B43K 23/122
. . .
{
with means for preventing choking
}
B43K 23/124
. . . .
{
comprising an air passage
}
B43K 23/126
. . .
{
with clips
}
B43K 23/128
. . .
{
with spring means
}
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Mechanisms for selecting, projecting, retracting or locking writing units
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B43K 24/02
.
for locking a single writing unit in only fully projected or retracted positions
B43K 24/023
. .
{
with a deformable barrel
}
B43K 24/026
. .
{
with a sleeve sliding on the forward end of the lead
}
B43K 24/03
. .
operated by flicking or tilting
B43K 24/04
. .
operated by means sliding in longitudinally-slotted casings
B43K 24/06
. .
operated by turning means
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B43K 24/08
. .
operated by push-buttons
B43K 24/082
. . .
{
placed on the side
}
B43K 24/084
. . .
{
with saw-like or analogous cams
}
B43K 24/086
. . .
{
with heart-shaped cams, balls
}
B43K 24/088
. . .
{
with spreading spring means
}
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B43K 24/10
.
for selecting, projecting and locking several writing units
B43K 24/12
. .
operating by means sliding in longitudinally-slotted casings
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B43K 24/14
. .
operated by turning means
B43K 24/143
. . .
{
with two-way threads
}
B43K 24/146
. . .
{
with cam control
}
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B43K 24/16
. .
operated by push-buttons
B43K 24/163
. . .
{
with one push-button for each writing unit
}
B43K 24/166
. . .
{
selection by gravity with a pendulum or the like
}
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B43K 24/18
. .
and for feeding the writing-cores
B43K 24/183
. . .
{
with push-buttons
}
B43K 24/186
. . .
{
with a revolving barrel
}
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Attaching writing implements to wearing apparel or objects involving constructional changes of the implements (protecting means, e.g. caps B43K 23/08; garment-holding devices A44B 99/00; fastening articles to wearing apparel A45F 5/02)
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B43K 25/02
.
Clips
B43K 25/022
. .
{
attached to a pen cap
}
B43K 25/024
. .
{
detachably secured to the writing tool
}
B43K 25/026
. .
{
combined with other objects
}
B43K 25/028
. .
{
combined with means for propelling, projecting or retracting the writing unit
}
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Multiple-point writing implements, e.g. multicolour; Combinations of writing implements (B43K 29/00 takes precedence; mechanisms for selecting, projecting, retracting or locking writing units B43K 24/00; multiple writing devices with pantographic linkages B43L 13/12)
B43K 27/003
.
{
only one holder being used either for the pencil or the pen
}
B43K 27/006
.
{
Pen or pencil barrels
}
B43K 27/02
.
Combinations of pens and pencils
B43K 27/04
.
Combinations of pencils (writing-core feed mechanisms B43K 21/02)
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B43K 27/08
.
Combinations of pens
B43K 27/12
. .
of ball-point pens
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Combinations of writing implements with other articles
B43K 29/001
.
{
with compasses
}
B43K 29/002
.
{
with chance games, e.g. dices, lottery numbers
}
B43K 29/003
.
{
with optical equipment, e.g. magnifier, viewer
}
B43K 29/004
.
{
with more than one object
}
B43K 29/005
.
{
with sound or noise making devices, e.g. radio, alarm
}
B43K 29/007
.
with advertising means
B43K 29/013
.
with stamping means
B43K 29/02
.
with rubbers
B43K 29/04
.
with blotters
B43K 29/05
.
with applicators for eradicating- or correcting-liquid
B43K 29/06
.
with sharpening devices (with erasing knives B43K 29/18; pocket knives with pencils B26B)
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B43K 29/08
.
with measuring, computing or indicating devices
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B43K 29/087
. .
for indicating time, e.g. with calendars or watches
B43K 29/0875
. . .
{
with calendars
}
B43K 29/093
. .
with calculators
B43K 29/10
.
with illuminating devices
B43K 29/12
.
with memorandum appliances (with book covers B42D)
B43K 29/16
.
with lighters
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B43K 29/18
.
with hand tools, e.g. erasing knives (with pocket knives B26B)
B43K 29/185
. .
{
with cheque protectors
}
B43K 29/20
.
with other articles having storage compartments (with lighters B43K 29/16; writing implements functioning as, or combined with, writing implement receptacles B43K 31/00)
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Writing implement receptacles functioning as, or combined with, writing implements (other writing implement receptacles A45C 11/34, A45C 11/36)
B43K 31/005
.
{
Distributors for leads, cartridges and the like
}
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013