KR940003048U - Blackboard eraser - Google Patents

Blackboard eraser

Info

Publication number
KR940003048U
KR940003048U KR2019920013296U KR920013296U KR940003048U KR 940003048 U KR940003048 U KR 940003048U KR 2019920013296 U KR2019920013296 U KR 2019920013296U KR 920013296 U KR920013296 U KR 920013296U KR 940003048 U KR940003048 U KR 940003048U
Authority
KR
South Korea
Prior art keywords
blackboard eraser
eraser
blackboard
Prior art date
Application number
KR2019920013296U
Other languages
Korean (ko)
Other versions
KR940007683Y1 (en
Inventor
오진구
Original Assignee
오진구
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 오진구 filed Critical 오진구
Priority to KR92013296U priority Critical patent/KR940007683Y1/en
Publication of KR940003048U publication Critical patent/KR940003048U/en
Application granted granted Critical
Publication of KR940007683Y1 publication Critical patent/KR940007683Y1/en

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
KR92013296U 1992-07-15 1992-07-15 Blackboard eraser KR940007683Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR92013296U KR940007683Y1 (en) 1992-07-15 1992-07-15 Blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR92013296U KR940007683Y1 (en) 1992-07-15 1992-07-15 Blackboard eraser

Publications (2)

Publication Number Publication Date
KR940003048U true KR940003048U (en) 1994-02-18
KR940007683Y1 KR940007683Y1 (en) 1994-10-22

Family

ID=19336951

Family Applications (1)

Application Number Title Priority Date Filing Date
KR92013296U KR940007683Y1 (en) 1992-07-15 1992-07-15 Blackboard eraser

Country Status (1)

Country Link
KR (1) KR940007683Y1 (en)

Also Published As

Publication number Publication date
KR940007683Y1 (en) 1994-10-22

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee