B43K21/02 - CPC Classification Index

ClassID:

59491 ⎘

B43K21/02 - CPC Classification

Classification description:

Propelling pencils Writing-core feeding mechanisms

Sub-classes:

B43K21/027 » with sliding tubelike writing-core guide 22
B43K21/04 » with the writing-cores brought into position by gravity 3
B43K21/06 » with the writing-cores fed by means sliding in longitudinally-slotted casings 9
B43K21/08 » with the writing-cores fed by screws 23
B43K21/16 » with stepwise feed of writing-cores 42
B43K21/22 » Writing-core gripping means, e.g. chucks 71

Recent Application in this class:

20220339961

2022-10-27

Convertible writing assemblies and components thereof

20200094611

2020-03-26

Writing instrument side-knock mechanism

20190344602

2019-11-14

BARREL ASSEMBLY, WRITING INSTRUMENT, AND CONTAINER

20190047320

2019-02-14

Mechanical pencil with a side button and an eraser dispenser and a method of assembly

20180154680

2018-06-07

Writing instrument side-knock mechanism

20160318333

2016-11-03

Marking device and method

20160039244

2016-02-11

Mechanical pencil

20160039243

2016-02-11

Writing utensil

20150132043

2015-05-14

WRITING INSTRUMENT

#10

20150023714

2015-01-22

Mechanical pencil

#11

20140079462

2014-03-20

Mechanical pencil having lead-rotating mechanism

#12

20140064819

2014-03-06

Pencil

#13

20130170885

2013-07-04

Eraser cap assembly for writing instrument

#14

20120230751

2012-09-13

Mechanical pencil

#15

20120003026

2012-01-05

Writing Instrument With Removable Cartridge of Writing Material

#16

20110229245

2011-09-22

Side knock type mechanical pencil

#17

20090257813

2009-10-15

Automatic pencil

#18

20090129850

2009-05-21

Pencil

#19

20090129849

2009-05-21

Pencil

#20

20080198581

2008-08-21

TOUCH SENSOR TYPE LIGHT-EMISSION WRITING INSTRUMENT

#21

20080031675

2008-02-07

Writing instrument

#22

20070134046

2007-06-14

Mechanical pencil

#23

20050135862

2005-06-23

Mechanical crayon pen with an internal cartridge for multiple crayon sticks