KR850003204U - 흑판 지우개 털이 - Google Patents
흑판 지우개 털이Info
- Publication number
- KR850003204U KR850003204U KR2019830008520U KR830008520U KR850003204U KR 850003204 U KR850003204 U KR 850003204U KR 2019830008520 U KR2019830008520 U KR 2019830008520U KR 830008520 U KR830008520 U KR 830008520U KR 850003204 U KR850003204 U KR 850003204U
- Authority
- KR
- South Korea
- Prior art keywords
- blackboard eraser
- eraser hair
- hair
- blackboard
- eraser
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019830008520U KR850002457Y1 (ko) | 1983-10-05 | 1983-10-05 | 흑판 지우개 털이 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019830008520U KR850002457Y1 (ko) | 1983-10-05 | 1983-10-05 | 흑판 지우개 털이 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR850003204U true KR850003204U (ko) | 1985-06-10 |
KR850002457Y1 KR850002457Y1 (ko) | 1985-10-19 |
Family
ID=70159002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019830008520U KR850002457Y1 (ko) | 1983-10-05 | 1983-10-05 | 흑판 지우개 털이 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR850002457Y1 (ko) |
-
1983
- 1983-10-05 KR KR2019830008520U patent/KR850002457Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR850002457Y1 (ko) | 1985-10-19 |
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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 |