US20070044263A1 - Microfiber chalkboard eraser - Google Patents

Microfiber chalkboard eraser Download PDF

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Publication number
US20070044263A1
US20070044263A1 US11/212,991 US21299105A US2007044263A1 US 20070044263 A1 US20070044263 A1 US 20070044263A1 US 21299105 A US21299105 A US 21299105A US 2007044263 A1 US2007044263 A1 US 2007044263A1
Authority
US
United States
Prior art keywords
cleaning sheet
eraser
central core
face
microfiber
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
US11/212,991
Other languages
English (en)
Inventor
Jianbo Deng
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US11/212,991 priority Critical patent/US20070044263A1/en
Priority to CNB2006100713381A priority patent/CN100368209C/zh
Priority to CA002556838A priority patent/CA2556838A1/en
Publication of US20070044263A1 publication Critical patent/US20070044263A1/en
Abandoned legal-status Critical Current

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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
    • 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
    • B43L21/04—Wiper holders
US11/212,991 2005-08-26 2005-08-26 Microfiber chalkboard eraser Abandoned US20070044263A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US11/212,991 US20070044263A1 (en) 2005-08-26 2005-08-26 Microfiber chalkboard eraser
CNB2006100713381A CN100368209C (zh) 2005-08-26 2006-03-24 超细纤维黑板擦
CA002556838A CA2556838A1 (en) 2005-08-26 2006-08-22 Microfiber chalkboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/212,991 US20070044263A1 (en) 2005-08-26 2005-08-26 Microfiber chalkboard eraser

Publications (1)

Publication Number Publication Date
US20070044263A1 true US20070044263A1 (en) 2007-03-01

Family

ID=36922596

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/212,991 Abandoned US20070044263A1 (en) 2005-08-26 2005-08-26 Microfiber chalkboard eraser

Country Status (3)

Country Link
US (1) US20070044263A1 (zh)
CN (1) CN100368209C (zh)
CA (1) CA2556838A1 (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090217475A1 (en) * 2006-11-02 2009-09-03 Daniel Broman Cleaning Device
USD872178S1 (en) * 2018-01-26 2020-01-07 Ningbo Skl International Co., Ltd. Eraser
USD941393S1 (en) * 2021-01-28 2022-01-18 Comsero, Inc. Eraser
JP2022552768A (ja) * 2019-07-23 2022-12-20 ポリビジョン，ナームローゼ フェンノートシャップ 金属製ホワイトボード用の用具ホルダ

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102848829A (zh) * 2012-08-01 2013-01-02 济南蓝贝思特科技有限公司 分体式吸水性黑板擦

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080683A (en) * 1976-11-22 1978-03-28 Chong Sun Yi Chalk board eraser
US4392268A (en) * 1981-12-14 1983-07-12 Bueno Victor M Chalkboard eraser cleaner system
US4543680A (en) * 1984-01-18 1985-10-01 Vlahos Stephanie A Blackboard eraser handle
US4937910A (en) * 1988-11-30 1990-07-03 Frazier Thomas G White board eraser
US4941225A (en) * 1989-11-13 1990-07-17 Liao Su Land Automatic chalk-powder collecting device for blackboard eraser
US5072483A (en) * 1989-02-27 1991-12-17 Roger Durand Eraser
US5365631A (en) * 1993-07-12 1994-11-22 Emerick Matthew W Eraser carrier
US20040205919A1 (en) * 2003-04-21 2004-10-21 Sims William M. Disposable dry marker eraser
US6895627B1 (en) * 2004-02-02 2005-05-24 Chieh-Jen Lin Blackboard eraser

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2228850Y (zh) * 1995-09-29 1996-06-12 陈秉煌 新型板擦
CN2288855Y (zh) * 1997-04-03 1998-08-26 赵润生 电动除尘、吸尘、过滤式黑板擦
CN2611182Y (zh) * 2003-03-26 2004-04-14 陈志红 电动吸尘式黑板擦
CN2642527Y (zh) * 2003-06-06 2004-09-22 李国伟 一种可卸换擦拭面的黑板擦
CN2695252Y (zh) * 2003-07-16 2005-04-27 梁晨阳 防尘黑板擦

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080683A (en) * 1976-11-22 1978-03-28 Chong Sun Yi Chalk board eraser
US4392268A (en) * 1981-12-14 1983-07-12 Bueno Victor M Chalkboard eraser cleaner system
US4543680A (en) * 1984-01-18 1985-10-01 Vlahos Stephanie A Blackboard eraser handle
US4937910A (en) * 1988-11-30 1990-07-03 Frazier Thomas G White board eraser
US5072483A (en) * 1989-02-27 1991-12-17 Roger Durand Eraser
US4941225A (en) * 1989-11-13 1990-07-17 Liao Su Land Automatic chalk-powder collecting device for blackboard eraser
US5365631A (en) * 1993-07-12 1994-11-22 Emerick Matthew W Eraser carrier
US20040205919A1 (en) * 2003-04-21 2004-10-21 Sims William M. Disposable dry marker eraser
US6895627B1 (en) * 2004-02-02 2005-05-24 Chieh-Jen Lin Blackboard eraser

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090217475A1 (en) * 2006-11-02 2009-09-03 Daniel Broman Cleaning Device
US8205288B2 (en) * 2006-11-02 2012-06-26 Daniel Broman Cleaning device
USD872178S1 (en) * 2018-01-26 2020-01-07 Ningbo Skl International Co., Ltd. Eraser
JP2022552768A (ja) * 2019-07-23 2022-12-20 ポリビジョン，ナームローゼ フェンノートシャップ 金属製ホワイトボード用の用具ホルダ
JP7440608B2 (ja) 2019-07-23 2024-02-28 ポリビジョン，ナームローゼ フェンノートシャップ 金属製ホワイトボード用の用具ホルダ
USD941393S1 (en) * 2021-01-28 2022-01-18 Comsero, Inc. Eraser

Also Published As

Publication number Publication date
CN1820968A (zh) 2006-08-23
CA2556838A1 (en) 2007-02-26
CN100368209C (zh) 2008-02-13

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Legal Events

Date Code Title Description
STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION