B43L21/04 - CPC Classification Index

ClassID:

59732 ⎘

B43L21/04 - CPC Classification

Classification description:

Blackboard or slate cleaning devices Wiper holders

Recent Application in this class:

20220297470

2022-09-22

UTILITY HOLDER FOR A METAL WHITEBOARD

20220080768

2022-03-17

BIGOP LEARN AND PLAY, TEMPLATES PRINTED ON EACH SIDE OF THE DRY ERASE BOARD FOR LEARN AND PRACTICE ADDITION, SUBTRACTION AND MULTIPLICATION

20200107638

2020-04-09

Writing board holder

20180056710

2018-03-01

Eraser assembly

20180009254

2018-01-11

Marker holder and eraser

20170326904

2017-11-16

Tablet with interconnection features

20160144654

2016-05-26

Marker holder and eraser

20150099259

2015-04-09

Tablet with interconnection features

20140255902

2014-09-11

Display board assembly

#10

20110154608

2011-06-30

MULTI-FUNCTION BOARD ERASER STRUCTURE

#11

20100313381

2010-12-16

Eraser for blackboard

#12

20090263623

2009-10-22

SCRIBBLING SUBSTRATE

#13

20080286744

2008-11-20

Foldable dry erase board

#14

20080166173

2008-07-10

Mobile marking board implement holder

#15

20070234498

2007-10-11

Chalk and dry marker eraser roller

#16

20070044263

2007-03-01

Microfiber chalkboard eraser

#17

20060183101

2006-08-17

Modular board arrangement

#18

20050127255

2005-06-16

Encapsulated end caps and method of making the same for a writing board tray

#19

20050014125

2005-01-20

Encapsulated tray and end caps for a writing board

#20

17317251

2024-07-30

Portable dry erase board with carrying case

#21

14336943

2016-09-20

Glove for dry erase surfaces