CN104309377B - 一种吸尘黑板擦 - Google Patents
一种吸尘黑板擦 Download PDFInfo
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- CN104309377B CN104309377B CN201410646043.7A CN201410646043A CN104309377B CN 104309377 B CN104309377 B CN 104309377B CN 201410646043 A CN201410646043 A CN 201410646043A CN 104309377 B CN104309377 B CN 104309377B
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- 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
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- Filtering Of Dispersed Particles In Gases (AREA)
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Abstract
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Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410646043.7A CN104309377B (zh) | 2014-11-15 | 2014-11-15 | 一种吸尘黑板擦 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410646043.7A CN104309377B (zh) | 2014-11-15 | 2014-11-15 | 一种吸尘黑板擦 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104309377A CN104309377A (zh) | 2015-01-28 |
| CN104309377B true CN104309377B (zh) | 2017-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410646043.7A Active CN104309377B (zh) | 2014-11-15 | 2014-11-15 | 一种吸尘黑板擦 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104309377B (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203796B (zh) * | 2018-10-27 | 2020-05-01 | 郑锡添 | 一种封闭式板擦盒 |
| CN112590433A (zh) * | 2020-12-11 | 2021-04-02 | 安徽文香信息技术有限公司 | 智慧教室用的防粉尘黑板擦及其控制系统 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204222498U (zh) * | 2014-11-15 | 2015-03-25 | 贵州大学 | 一种吸尘黑板擦 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02151500A (ja) * | 1988-12-02 | 1990-06-11 | Takao Misaizu | 集塵黒板拭き |
| CN2725039Y (zh) * | 2004-08-11 | 2005-09-14 | 巩致 | 挡尘黑板擦 |
| CN200992089Y (zh) * | 2006-12-22 | 2007-12-19 | 陈醒 | 吸尘笔擦 |
| CN201538168U (zh) * | 2009-09-29 | 2010-08-04 | 张文清 | 一种无尘黑板擦 |
| CN202319617U (zh) * | 2011-11-19 | 2012-07-11 | 李志舟 | 静电负压复合式除尘黑板擦 |
| CN202862951U (zh) * | 2012-10-11 | 2013-04-10 | 刘宁 | 吸尘黑板擦 |
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2014
- 2014-11-15 CN CN201410646043.7A patent/CN104309377B/zh active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204222498U (zh) * | 2014-11-15 | 2015-03-25 | 贵州大学 | 一种吸尘黑板擦 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104309377A (zh) | 2015-01-28 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201127 Address after: No.3, pingzhong Road, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Pingguo Runmin Poverty Alleviation Development Co.,Ltd. Address before: 550025 science and Technology Department, north campus, Guizhou University, Huaxi, Guizhou, China Patentee before: Guizhou University |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 2183, Aluminum City Avenue, Matou Town, Pingguo City, Baise City, Guangxi Zhuang Autonomous Region, 531499 Patentee after: Guangxi Pingguo Runmin Development Co.,Ltd. Country or region after: China Address before: Guangxi Zhuang Autonomous Region Baise City Pingguo City Mato Town Pingshong Road No. 3 Patentee before: Guangxi Pingguo Runmin Poverty Alleviation Development Co.,Ltd. Country or region before: China |