ClassID:

59449

B43K8/028 - CPC Classification

Classification description:

Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material Movable closure or gate

Recent Application in this class:
#1
20240253388
2024-08-01

Self-healing seal assembly for a writing instrument

#2
20240208261
2024-06-27

Writing instruments

#3
20230311558
2023-10-05

Slide-type writing instrument having drying-prevention device

#4
20220281260
2022-09-08

Writing utensil and producing method of writing utensil

#5
20200282762
2020-09-10

Writing instrument comprising two concentric writing tips

#6
20190039404
2019-02-07

Multiple color marker

#7
20190016173
2019-01-17

Slide-type writing instrument having drying-prevention device

#8
20180215193
2018-08-02

Assembly structure of writing instrument

#9
20180056706
2018-03-01

Retractable liquid applicator device

#10
20150224812
2015-08-13

Slide type writing tool having device for preventing dryness

#11
20140023423
2014-01-23

Apparatus for selectably providing multiple colors of ink from a marker pen

#12
20130318761
2013-12-05

Multicolor writing tools and methods

#13
20130061440
2013-03-14

Multicolor writing tools and methods

#14
20120328352
2012-12-27

Retractable instrument having a two stage protraction/retraction sequence

#15
20120057921
2012-03-08

RETRACTABLE MONEY DETECTOR APPARATUS

#16
20120020719
2012-01-26

Rotary-type retractable writing implement with an anti-drying device

#17
20120014737
2012-01-19

Writing implement with simultaneous retractable ends

#18
20110200380
2011-08-18

Multicolor writing tools and methods

#19
20110103875
2011-05-05

RETRACTABLE PUSH BUTTON PEN

#20
20110084225
2011-04-14

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

#21
20110058888
2011-03-10

Slide type writing tool preventing dryness

#22
20110020049
2011-01-27

Marker pen with magnetic closure arrangement

#23
20100322697
2010-12-23

Capless Writing Instrument

#24
20100253468
2010-10-07

Methods and apparatus for art supply useage compliance

#25
20100196080
2010-08-05

Retractable instrument having a two stage protraction/retraction sequence

#26
20100119288
2010-05-13

Retractable instruments comprising a one-piece valve door actuating assembly

#27
20090245920
2009-10-01

Capless Retractable Marking Pen

#28
20090245919
2009-10-01

Valve door having a force directing component and retractable instruments comprising same

#29
20090232581
2009-09-17

Squeeze to write ink highlighter

#30
20090142124
2009-06-04

Seal assembly for retractable instrument

#31
20090136284
2009-05-28

Slide type writing tools having device for prevent dryness

#32
20080298878
2008-12-04

MARKER WITH A SEAL ARRANGEMENT

#33
20080193194
2008-08-14

Slide type writing tool having device for preventing dryness

#34
20080187389
2008-08-07

Seal assembly for retractable instrument

#35
20080175648
2008-07-24

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

#36
20080138139
2008-06-12

CAPLESS WRITING TOOL

#37
20080131188
2008-06-05

Pen

#38
20080008517
2008-01-10

Ink-Pen

#39
20080003051
2008-01-03

Pen with rotatable cap

#40
20070274765
2007-11-29

Retractable writing instrument

#41
20070274764
2007-11-29

Capless writing tools and methods

#42
20070274761
2007-11-29

Multicolor writing tools and methods

#43
20070172300
2007-07-26

WRITING IMPLEMENT

#44
20070134047
2007-06-14

Sealing device for writing tip

#45
20070048064
2007-03-01

Highlight ink marker with an automatic magnetic closure apparatus

#46
20070041775
2007-02-22

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

#47
20060245813
2006-11-02

Nib-concealing mechanism for retractable writing instruments

#48
20060216103
2006-09-28

Retractable writing utensil

#49
20060147248
2006-07-06

Retractable writing material

#50
20060062631
2006-03-23

Highlight ink marker with an automatic magnetic closure apparatus

#51
20060013636
2006-01-19

Pen

#52
20060002757
2006-01-05

Airtight retractable writing device

#53
20060002756
2006-01-05

Instrument

#54
20060002755
2006-01-05

Capless writing instrument

#55
20050271451
2005-12-08

Retractable writing instrument

#56
20050191112
2005-09-01

Slide-type writing instrument with a dry prevention unit

#57
20050191111
2005-09-01

Retractable writing tool and self sealing valve

#58
20050084321
2005-04-21

Retractable vacuum reservoir applicator and writing tool with self sealing valve

#59
20050084320
2005-04-21

Retractable writing instruments with volatile inks

#60
20050074268
2005-04-07

Drawing or writing utensil and casing or protective sleeve

#61
20050047844
2005-03-03

Capless retractable sealed marking instrument with forward chamber