KR850003204U - 흑판 지우개 털이 - Google Patents

흑판 지우개 털이

Info

Publication number
KR850003204U
KR850003204U KR2019830008520U KR830008520U KR850003204U KR 850003204 U KR850003204 U KR 850003204U KR 2019830008520 U KR2019830008520 U KR 2019830008520U KR 830008520 U KR830008520 U KR 830008520U KR 850003204 U KR850003204 U KR 850003204U
Authority
KR
South Korea
Prior art keywords
blackboard eraser
eraser hair
hair
blackboard
eraser
Prior art date
Application number
KR2019830008520U
Other languages
English (en)
Other versions
KR850002457Y1 (ko
Inventor
지상규
Original Assignee
지상규
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 지상규 filed Critical 지상규
Priority to KR2019830008520U priority Critical patent/KR850002457Y1/ko
Publication of KR850003204U publication Critical patent/KR850003204U/ko
Application granted granted Critical
Publication of KR850002457Y1 publication Critical patent/KR850002457Y1/ko

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • 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
KR2019830008520U 1983-10-05 1983-10-05 흑판 지우개 털이 KR850002457Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019830008520U KR850002457Y1 (ko) 1983-10-05 1983-10-05 흑판 지우개 털이

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019830008520U KR850002457Y1 (ko) 1983-10-05 1983-10-05 흑판 지우개 털이

Publications (2)

Publication Number Publication Date
KR850003204U true KR850003204U (ko) 1985-06-10
KR850002457Y1 KR850002457Y1 (ko) 1985-10-19

Family

ID=70159002

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019830008520U KR850002457Y1 (ko) 1983-10-05 1983-10-05 흑판 지우개 털이

Country Status (1)

Country Link
KR (1) KR850002457Y1 (ko)

Also Published As

Publication number Publication date
KR850002457Y1 (ko) 1985-10-19

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Legal Events

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A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee