ClassID:

59530

B43K24/04 - 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 means sliding in longitudinally-slotted casings

Recent Application in this class:
#1
20250256529
2025-08-14

Card-shaped pen

#2
20230406030
2023-12-21

Pressing type writing instrument

#3
20230347682
2023-11-02

Writing instrument refills and writing instrument

#4
20230302843
2023-09-28

Writing instrument and method thereof

#5
20220314684
2022-10-06

Compact writing instrument

#6
20220219482
2022-07-14

Retractable writing implement

#7
20220080767
2022-03-17

Writing instrument

#8
20220072894
2022-03-10

Retractable writing instrument

#9
20220009271
2022-01-13

Knock type writing tool

#10
20220009270
2022-01-13

Multi-purpose combination writing instrument

#11
20210031557
2021-02-04

Multifunction pen

#12
20200398607
2020-12-24

Multi-function writing instrument comprising a leadholder system

#13
20200223246
2020-07-16

Retractable nosecone writing instrument

#14
20200047540
2020-02-13

Writing instrument

#15
20190160852
2019-05-30

KNOCK TYPE PEN

#16
20190160851
2019-05-30

Knock type pen

#17
20190111726
2019-04-18

Compact writing instrument

#18
20190092085
2019-03-28

WRITING UTENSIL WITH TELESCOPING CAP

#19
20190047319
2019-02-14

Writing instrument with self-blocking assembly

#20
20180086133
2018-03-29

Writing instrument

#21
20170239977
2017-08-24

Stylus

#22
20150336420
2015-11-26

Writing instrument

#23
20150317000
2015-11-05

Stylus

#24
20150043956
2015-02-12

Lead holder having a slidable push member

#25
20150003887
2015-01-01

UPPER PEN TUBE STRUCTURE FOR PEN

#26
20140334864
2014-11-13

Slim type ballpoint pen

#27
20140003855
2014-01-02

Retractable writing and erasing piece against sliding back

#28
20120308290
2012-12-06

Writing instrument

#29
20110236120
2011-09-29

Retractable-point writing implement

#30
20110123250
2011-05-26

Knock-type writing instrument

#31
20110038659
2011-02-17

Adjustable length pen holder

#32
20100232864
2010-09-16

WRITING INSTRUMENT HAVING A MOVABLE ORNAMENT MOUNTED THEREON

#33
20100202821
2010-08-12

DEVICES FOR MARKING AND TAGGING BOOKS OR OTHER WRITING SURFACES

#34
20100139104
2010-06-10

Compasses writing implement

#35
20090169285
2009-07-02

Adapter for writing instruments

#36
20090016801
2009-01-15

Handy tool pen

#37
20080003047
2008-01-03

Slide pen

#38
20070297847
2007-12-27

Writing instrument comprising a cartridge support

#39
20070196158
2007-08-23

ERGONOMIC DEVICE

#40
20060216103
2006-09-28

Retractable writing utensil

#41
20060171762
2006-08-03

Writing instrument

#42
20060147248
2006-07-06

Retractable writing material

#43
20060115314
2006-06-01

Capless writing instrument with closing device

#44
20050138737
2005-06-30

Combined pen and knife implement

#45
18440946
2025-08-12

Card-shaped pen

#46
17662949
2024-02-20

Automatically retractable writing instrument

#47
17643621
2022-12-27

Bolt action pen with refill adapter and reversable pocket clip

#48
17161644
2022-03-22

Compact writing instrument

#49
16867551
2022-04-05

Compact writing instrument