GB2090123B - Blackboard duster - Google Patents

Blackboard duster

Info

Publication number
GB2090123B
GB2090123B GB8039382A GB8039382A GB2090123B GB 2090123 B GB2090123 B GB 2090123B GB 8039382 A GB8039382 A GB 8039382A GB 8039382 A GB8039382 A GB 8039382A GB 2090123 B GB2090123 B GB 2090123B
Authority
GB
United Kingdom
Prior art keywords
duster
blackboard
blackboard duster
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.)
Expired
Application number
GB8039382A
Other versions
GB2090123A (en
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 GB8039382A priority Critical patent/GB2090123B/en
Publication of GB2090123A publication Critical patent/GB2090123A/en
Application granted granted Critical
Publication of GB2090123B publication Critical patent/GB2090123B/en
Priority to HK94085A priority patent/HK94085A/en
Priority to MY221/86A priority patent/MY8600221A/en
Expired 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/38—Other dusting implements
GB8039382A 1980-12-09 1980-12-09 Blackboard duster Expired GB2090123B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8039382A GB2090123B (en) 1980-12-09 1980-12-09 Blackboard duster
HK94085A HK94085A (en) 1980-12-09 1985-11-21 Blackboard duster
MY221/86A MY8600221A (en) 1980-12-09 1986-12-30 Blackboard duster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8039382A GB2090123B (en) 1980-12-09 1980-12-09 Blackboard duster

Publications (2)

Publication Number Publication Date
GB2090123A GB2090123A (en) 1982-07-07
GB2090123B true GB2090123B (en) 1984-09-12

Family

ID=10517850

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8039382A Expired GB2090123B (en) 1980-12-09 1980-12-09 Blackboard duster

Country Status (3)

Country Link
GB (1) GB2090123B (en)
HK (1) HK94085A (en)
MY (1) MY8600221A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462134A (en) * 1982-12-20 1984-07-31 Wang Jeng Lin Blackboard eraser
GB2132946B (en) * 1982-12-20 1986-09-03 Wen Chin Lee Automatic blackboard duster
US4872237A (en) * 1985-11-25 1989-10-10 Smith Lloyd J Chalk dust remover
US4742594A (en) * 1986-09-09 1988-05-10 Chen Jin Sheng Blackboard eraser
US4941225A (en) * 1989-11-13 1990-07-17 Liao Su Land Automatic chalk-powder collecting device for blackboard eraser
US6895627B1 (en) * 2004-02-02 2005-05-24 Chieh-Jen Lin Blackboard eraser
CN103213437A (en) * 2013-04-17 2013-07-24 施健 Blackboard eraser
CN103213434A (en) * 2013-04-17 2013-07-24 施健 Dust-free board eraser
CN103231611A (en) * 2013-04-22 2013-08-07 徐璐 Blackboard eraser
CN103481706B (en) * 2013-10-24 2015-12-02 成都理工大学 Eraser with dust collector can be removed
CN105415944B (en) * 2014-10-30 2017-03-22 杨文朔 Blackboard eraser capable of reducing dust pollution
CN106004185B (en) * 2016-06-29 2018-02-27 裴萌 A kind of blackboard eraser for preventing that chalk dust from flying upward

Also Published As

Publication number Publication date
MY8600221A (en) 1986-12-31
GB2090123A (en) 1982-07-07
HK94085A (en) 1985-11-29

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Legal Events

Date Code Title Description
PG Patent granted