KR900009510Y1 - Blackboard ereaser - Google Patents
Blackboard ereaserInfo
- 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
Links
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) |
-
1987
- 1987-11-12 KR KR8719549U patent/KR900009510Y1/en not_active IP Right Cessation
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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 |