TW433175U - Improved structure of blackboard eraser - Google Patents
Improved structure of blackboard eraserInfo
- Publication number
- TW433175U TW433175U TW88205055U TW88205055U TW433175U TW 433175 U TW433175 U TW 433175U TW 88205055 U TW88205055 U TW 88205055U TW 88205055 U TW88205055 U TW 88205055U TW 433175 U TW433175 U TW 433175U
- Authority
- TW
- Taiwan
- Prior art keywords
- improved structure
- blackboard eraser
- eraser
- blackboard
- improved
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW88205055U TW433175U (en) | 1999-04-02 | 1999-04-02 | Improved structure of blackboard eraser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW88205055U TW433175U (en) | 1999-04-02 | 1999-04-02 | Improved structure of blackboard eraser |
Publications (1)
Publication Number | Publication Date |
---|---|
TW433175U true TW433175U (en) | 2001-05-01 |
Family
ID=21646478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW88205055U TW433175U (en) | 1999-04-02 | 1999-04-02 | Improved structure of blackboard eraser |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW433175U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109435545A (en) * | 2018-12-17 | 2019-03-08 | 南京江业软件科技有限公司 | A kind of wiper tearing type blackboard eraser |
-
1999
- 1999-04-02 TW TW88205055U patent/TW433175U/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109435545A (en) * | 2018-12-17 | 2019-03-08 | 南京江业软件科技有限公司 | A kind of wiper tearing type blackboard eraser |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GD4K | Issue of patent certificate for granted utility model filed before june 30, 2004 | ||
MM4K | Annulment or lapse of a utility model due to non-payment of fees |