B43K5/17 - CPC Classification Index

ClassID:

59418 ⎘

B43K5/17 - CPC Classification

Classification description:

Pens with ink reservoirs in holders, e.g. fountain-pens with retractable nibs with closing means

Recent Application in this class:

20260152022

2026-06-04

SOFT ELASTOMERIC SEAL FOR A WRITING INSTRUMENT

20250340081

2025-11-06

LIQUID APPLICATOR DEVICE

20240253388

2024-08-01

Self-healing seal assembly for a writing instrument

20230211627

2023-07-06

Self-healing seal for a writing instrument

20210260911

2021-08-26

Writing tool with anti-drying device

20190039404

2019-02-07

Multiple color marker

20190016173

2019-01-17

Slide-type writing instrument having drying-prevention device

20180229540

2018-08-16

Writing instrument having automatic sealing structure

20160068006

2016-03-10

KNOCK-TYPE APPLICATOR

#10

20150290963

2015-10-15

Rotating-operation type of writing tool

#11

20150239279

2015-08-27

Rotating-operation type of writing tool

#12

20140376987

2014-12-25

Retractable tip writing instrument with a protective sleeve

#13

20130318761

2013-12-05

Multicolor writing tools and methods

#14

20130061440

2013-03-14

Multicolor writing tools and methods

#15

20120328352

2012-12-27

Retractable instrument having a two stage protraction/retraction sequence

#16

20110200380

2011-08-18

Multicolor writing tools and methods

#17

20110076086

2011-03-31

Multipurpose case

#18

20100196080

2010-08-05

Retractable instrument having a two stage protraction/retraction sequence

#19

20100119288

2010-05-13

Retractable instruments comprising a one-piece valve door actuating assembly

#20

20090142124

2009-06-04

Seal assembly for retractable instrument

#21

20090136284

2009-05-28

Slide type writing tools having device for prevent dryness

#22

20080317541

2008-12-25

Writing implement

#23

20080298878

2008-12-04

MARKER WITH A SEAL ARRANGEMENT

#24

20080193194

2008-08-14

Slide type writing tool having device for preventing dryness

#25

20080187389

2008-08-07

Seal assembly for retractable instrument

#26

20080138139

2008-06-12

CAPLESS WRITING TOOL

#27

20080131188

2008-06-05

Pen

#28

20080008517

2008-01-10

Ink-Pen

#29

20070274764

2007-11-29

Capless writing tools and methods

#30

20070274761

2007-11-29

Multicolor writing tools and methods

#31

20070134047

2007-06-14

Sealing device for writing tip

#32

20060245813

2006-11-02

Nib-concealing mechanism for retractable writing instruments

#33

20060147248

2006-07-06

Retractable writing material

#34

20060115314

2006-06-01

Capless writing instrument with closing device

#35

20060013636

2006-01-19

Pen

#36

20060002755

2006-01-05

Capless writing instrument

#37

20050191111

2005-09-01

Retractable writing tool and self sealing valve