KR880006207U - Disassembled assembly type blackboard eraser - Google Patents

Disassembled assembly type blackboard eraser

Info

Publication number
KR880006207U
KR880006207U KR2019860013621U KR860013621U KR880006207U KR 880006207 U KR880006207 U KR 880006207U KR 2019860013621 U KR2019860013621 U KR 2019860013621U KR 860013621 U KR860013621 U KR 860013621U KR 880006207 U KR880006207 U KR 880006207U
Authority
KR
South Korea
Prior art keywords
assembly type
blackboard eraser
type blackboard
disassembled assembly
disassembled
Prior art date
Application number
KR2019860013621U
Other languages
Korean (ko)
Other versions
KR890004785Y1 (en
Inventor
진금생
Original Assignee
진금생
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 진금생 filed Critical 진금생
Priority to KR2019860013621U priority Critical patent/KR890004785Y1/en
Publication of KR880006207U publication Critical patent/KR880006207U/en
Application granted granted Critical
Publication of KR890004785Y1 publication Critical patent/KR890004785Y1/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
    • B43L21/04—Wiper holders
KR2019860013621U 1986-09-03 1986-09-03 Blackboard eraser KR890004785Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860013621U KR890004785Y1 (en) 1986-09-03 1986-09-03 Blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860013621U KR890004785Y1 (en) 1986-09-03 1986-09-03 Blackboard eraser

Publications (2)

Publication Number Publication Date
KR880006207U true KR880006207U (en) 1988-05-30
KR890004785Y1 KR890004785Y1 (en) 1989-07-20

Family

ID=19255462

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860013621U KR890004785Y1 (en) 1986-09-03 1986-09-03 Blackboard eraser

Country Status (1)

Country Link
KR (1) KR890004785Y1 (en)

Also Published As

Publication number Publication date
KR890004785Y1 (en) 1989-07-20

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19950612

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee