ClassID:

59532

B43K24/08 - CPC Classification

Classification description:

Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons

Sub-classes:
Recent Application in this class:
#1
20250367959
2025-12-04

KNOCK TYPE WRITING INSTRUMENT

#2
20250208724
2025-06-26

ELECTRONIC PEN

#3
20250196527
2025-06-19

NON-SEALING FLUID-BASED WRITING INSTRUMENT AND NON-DRYING WRITING FLUID

#4
20250065665
2025-02-27

WRITING INSTRUMENT

#5
20240294030
2024-09-05

Mechanical pencil

#6
20240042790
2024-02-08

Projectable and retractable writing tool

#7
20230406030
2023-12-21

Pressing type writing instrument

#8
20230311558
2023-10-05

Slide-type writing instrument having drying-prevention device

#9
20230086315
2023-03-23

Marking pen

#10
20220161592
2022-05-26

Detectable Component for a Writing Implement

#11
20220126623
2022-04-28

Writing tool

#12
20210362535
2021-11-25

Writing implement

#13
20210122184
2021-04-29

Retractable Marker Assembly

#14
20200331285
2020-10-22

Projectable and retractable writing tool and multi-tip writing tool

#15
20200282764
2020-09-10

Thermochromic writing instrument having a separable eraser

#16
20200218371
2020-07-09

Input touch pen

#17
20200215847
2020-07-09

Pressurized-type writing implement

#18
20200164677
2020-05-28

Highlighter Mechanica

#19
20200094610
2020-03-26

Thermochromic writing tool

#20
20200023668
2020-01-23

Grip aid writing system

#21
20190344604
2019-11-14

Knock type pen

#22
20190176509
2019-06-13

Writing utensil with pressurizing mechanism

#23
20190025951
2019-01-24

Electronic pen and electronic pen main body unit

#24
20190016173
2019-01-17

Slide-type writing instrument having drying-prevention device

#25
20180333980
2018-11-22

Knock type writing instrument

#26
20180229541
2018-08-16

SOUND CONFINING BALL-POINT-PEN

#27
20180215193
2018-08-02

Assembly structure of writing instrument

#28
20180056706
2018-03-01

Retractable liquid applicator device

#29
20180056705
2018-03-01

Retractable pen

#30
20170275127
2017-09-28

Press structure for press type stationery

#31
20170008331
2017-01-12

STRUCTURE OF WRITING INSTRUMENT

#32
20160375716
2016-12-29

Lever-actuated pen

#33
20160303890
2016-10-20

Writing and underline-drawing implement

#34
20160229220
2016-08-11

Elongated and Retractable Sterile Marker Apparatus

#35
20160221382
2016-08-04

Compact ballpoint pen

#36
20160068006
2016-03-10

KNOCK-TYPE APPLICATOR

#37
20150306899
2015-10-29

STYLUS PEN

#38
20150224812
2015-08-13

Slide type writing tool having device for preventing dryness

#39
20150184003
2015-07-02

GEL-INK PEN CAPABLE OF ERASING HANDWRITING

#40
20140369735
2014-12-18

Marking implement

#41
20140334864
2014-11-13

Slim type ballpoint pen

#42
20130300693
2013-11-14

Writing instrument

#43
20130236230
2013-09-12

Stationery tool with a pushbutton having a push-proof capability

#44
20130142562
2013-06-06

Writing instrument

#45
20130121744
2013-05-16

Thermochromic writing instrument

#46
20120057921
2012-03-08

RETRACTABLE MONEY DETECTOR APPARATUS

#47
20120039663
2012-02-16

Ballpoint pen tip, ballpoint pen refill, ballpoint pen, and method of manufacturing ballpoint pen tip

#48
20110263401
2011-10-27

Writing implement body and method of making same

#49
20110135378
2011-06-09

Travel multiplier mechanisms for writing instruments

#50
20110123250
2011-05-26

Knock-type writing instrument

#51
20110103875
2011-05-05

RETRACTABLE PUSH BUTTON PEN

#52
20110084225
2011-04-14

Valve made from two materials and writing utensil with retractable tip incorporating same

#53
20110076086
2011-03-31

Multipurpose case

#54
20110058888
2011-03-10

Slide type writing tool preventing dryness

#55
20110020049
2011-01-27

Marker pen with magnetic closure arrangement

#56
20100322697
2010-12-23

Capless Writing Instrument

#57
20100322696
2010-12-23

PEN WITH WINDOW FOR DISPLAY OF PATTERN

#58
20100232865
2010-09-16

Water-based ink composition for ballpoint pens

#59
20100139104
2010-06-10

Compasses writing implement

#60
20100098476
2010-04-22

Thermochromic writing instrument

#61
20090245920
2009-10-01

Capless Retractable Marking Pen

#62
20090142124
2009-06-04

Seal assembly for retractable instrument

#63
20090136284
2009-05-28

Slide type writing tools having device for prevent dryness

#64
20080219749
2008-09-11

Letter opening stylus and writing instrument with pocket clip

#65
20080193194
2008-08-14

Slide type writing tool having device for preventing dryness

#66
20080187389
2008-08-07

Seal assembly for retractable instrument

#67
20080175648
2008-07-24

Valve made from two materials and writing utensil with retractable tip incorporating same

#68
20080138139
2008-06-12

CAPLESS WRITING TOOL

#69
20080131188
2008-06-05

Pen

#70
20080107469
2008-05-08

Safety knock-type writing instrument

#71
20080019761
2008-01-24

Pressurized pen

#72
20070297847
2007-12-27

Writing instrument comprising a cartridge support

#73
20070292199
2007-12-20

Lens pen

#74
20070274764
2007-11-29

Capless writing tools and methods

#75
20070189832
2007-08-16

Control button assembly for mechanical pen

#76
20070127976
2007-06-07

Pen adapted to be pressurized

#77
20070041775
2007-02-22

Sealing Disc with Slit Opening and Capless Retractable Marking Instrument Using Same

#78
20070020023
2007-01-25

Travel multiplier mechanisms for writing instruments

#79
20070020019
2007-01-25

Writing instrument with a partially resilient end

#80
20060280545
2006-12-14

Therapeutic writing instrument devices and methods

#81
20060263142
2006-11-23

Writing instrument with a resilient end

#82
20060233591
2006-10-19

Writing Instrument With Magnetic Clip

#83
20060193677
2006-08-31

Letter opening stylus and writing instrument with pocket clip

#84
20060188321
2006-08-24

Coating fluid and fluid applicator

#85
20060083579
2006-04-20

Writing implement with stylus

#86
20060075924
2006-04-13

Refill for correction pen and refill unit

#87
20060013636
2006-01-19

Pen

#88
20060002755
2006-01-05

Capless writing instrument

#89
20050238411
2005-10-27

Writing instrument with letter opening pocket clip

#90
20050084319
2005-04-21

Writing instrument with rotatable design element

#91
20050047844
2005-03-03

Capless retractable sealed marking instrument with forward chamber

#92
17823378
2023-11-07

Operating mechanism for writing implement