KR890001879Y1 - Blackboard eraser - Google Patents

Blackboard eraser

Info

Publication number
KR890001879Y1
KR890001879Y1 KR8603435U KR860003435U KR890001879Y1 KR 890001879 Y1 KR890001879 Y1 KR 890001879Y1 KR 8603435 U KR8603435 U KR 8603435U KR 860003435 U KR860003435 U KR 860003435U KR 890001879 Y1 KR890001879 Y1 KR 890001879Y1
Authority
KR
South Korea
Prior art keywords
blackboard eraser
eraser
blackboard
Prior art date
Application number
KR8603435U
Other languages
Korean (ko)
Inventor
Yung-Kwon Choe
Original Assignee
Choe Yung Kwon
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 Choe Yung Kwon filed Critical Choe Yung Kwon
Priority to KR8603435U priority Critical patent/KR890001879Y1/en
Application granted granted Critical
Publication of KR890001879Y1 publication Critical patent/KR890001879Y1/en

Links

KR8603435U 1986-03-20 1986-03-20 Blackboard eraser KR890001879Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR8603435U KR890001879Y1 (en) 1986-03-20 1986-03-20 Blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR8603435U KR890001879Y1 (en) 1986-03-20 1986-03-20 Blackboard eraser

Publications (1)

Publication Number Publication Date
KR890001879Y1 true KR890001879Y1 (en) 1989-04-08

Family

ID=19249763

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8603435U KR890001879Y1 (en) 1986-03-20 1986-03-20 Blackboard eraser

Country Status (1)

Country Link
KR (1) KR890001879Y1 (en)

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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
LAPS Lapse due to unpaid annual fee