KR900009510Y1 - Blackboard ereaser - Google Patents

Blackboard ereaser

Info

Publication number
KR900009510Y1
KR900009510Y1 KR8719549U KR870019549U KR900009510Y1 KR 900009510 Y1 KR900009510 Y1 KR 900009510Y1 KR 8719549 U KR8719549 U KR 8719549U KR 870019549 U KR870019549 U KR 870019549U KR 900009510 Y1 KR900009510 Y1 KR 900009510Y1
Authority
KR
South Korea
Prior art keywords
ereaser
blackboard
blackboard ereaser
Prior art date
Application number
KR8719549U
Other languages
Korean (ko)
Inventor
Chi-Soo Lee
Original Assignee
Lee Chi Soo
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 Lee Chi Soo filed Critical Lee Chi Soo
Priority to KR8719549U priority Critical patent/KR900009510Y1/en
Application granted granted Critical
Publication of KR900009510Y1 publication Critical patent/KR900009510Y1/en

Links

KR8719549U 1987-11-12 1987-11-12 Blackboard ereaser KR900009510Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR8719549U KR900009510Y1 (en) 1987-11-12 1987-11-12 Blackboard ereaser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR8719549U KR900009510Y1 (en) 1987-11-12 1987-11-12 Blackboard ereaser

Publications (1)

Publication Number Publication Date
KR900009510Y1 true KR900009510Y1 (en) 1990-10-13

Family

ID=19269376

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8719549U KR900009510Y1 (en) 1987-11-12 1987-11-12 Blackboard ereaser

Country Status (1)

Country Link
KR (1) KR900009510Y1 (en)

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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
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19990412

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee