AU2003302032A8 - An electromotive chalk eraser - Google Patents

An electromotive chalk eraser

Info

Publication number
AU2003302032A8
AU2003302032A8 AU2003302032A AU2003302032A AU2003302032A8 AU 2003302032 A8 AU2003302032 A8 AU 2003302032A8 AU 2003302032 A AU2003302032 A AU 2003302032A AU 2003302032 A AU2003302032 A AU 2003302032A AU 2003302032 A8 AU2003302032 A8 AU 2003302032A8
Authority
AU
Australia
Prior art keywords
electromotive
chalk eraser
eraser
chalk
electromotive chalk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2003302032A
Other versions
AU2003302032A1 (en
Inventor
Keum Yun Seo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMC KOREA CO Ltd
Original Assignee
SMC KOREA CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMC KOREA CO Ltd filed Critical SMC KOREA CO Ltd
Publication of AU2003302032A8 publication Critical patent/AU2003302032A8/en
Publication of AU2003302032A1 publication Critical patent/AU2003302032A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
    • B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
AU2003302032A 2002-11-19 2003-01-16 An electromotive chalk eraser Abandoned AU2003302032A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2002-0071986 2002-11-19
KR1020020071986A KR20040043619A (en) 2002-11-19 2002-11-19 Electromotion Board Eraser
PCT/KR2003/000097 WO2004045782A2 (en) 2002-11-19 2003-01-16 An electromotive chalk eraser

Publications (2)

Publication Number Publication Date
AU2003302032A8 true AU2003302032A8 (en) 2004-06-15
AU2003302032A1 AU2003302032A1 (en) 2004-06-15

Family

ID=32322253

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003302032A Abandoned AU2003302032A1 (en) 2002-11-19 2003-01-16 An electromotive chalk eraser

Country Status (4)

Country Link
KR (1) KR20040043619A (en)
CN (1) CN1502481A (en)
AU (1) AU2003302032A1 (en)
WO (1) WO2004045782A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100735055B1 (en) * 2006-06-08 2007-07-06 서금윤 An electromotive chalk eraser enabling remote control
CN102390203A (en) * 2011-09-23 2012-03-28 山东理工大学 Automatic charging dust-collection blackboard eraser
CN105150728A (en) * 2015-10-06 2015-12-16 刘书廷 Novel blackboard eraser
CN108065876A (en) * 2016-11-13 2018-05-25 青岛世纪云帆实业有限公司 Electric dust absorption sweeps up dust whisk
CN107774601B (en) * 2017-12-01 2023-12-15 滁州学院 Dust-free cleaning device for blackboard eraser

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB935807A (en) * 1962-05-02 1963-09-04 Kwan Shu Min A combined eraser and suction cleaner for blackboards
JPS5418331A (en) * 1977-07-09 1979-02-10 Saito Takeshi Blackboard wiper with dust collector
GB2108434A (en) * 1981-10-23 1983-05-18 Hua Yu Wen Electric blackboard eraser
JP2617275B2 (en) * 1994-05-19 1997-06-04 営 筒井 Blackboard eraser
JP2810848B2 (en) * 1994-06-27 1998-10-15 政美 本間 Erasing device
KR200256716Y1 (en) * 2001-08-30 2001-12-24 홍기선 Rechargeable blackboard eraser

Also Published As

Publication number Publication date
WO2004045782A3 (en) 2005-03-31
AU2003302032A1 (en) 2004-06-15
WO2004045782A2 (en) 2004-06-03
CN1502481A (en) 2004-06-09
KR20040043619A (en) 2004-05-24

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase