CN202480681U - 一种多功能教学圆规 - Google Patents
一种多功能教学圆规 Download PDFInfo
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- CN202480681U CN202480681U CN2012200811188U CN201220081118U CN202480681U CN 202480681 U CN202480681 U CN 202480681U CN 2012200811188 U CN2012200811188 U CN 2012200811188U CN 201220081118 U CN201220081118 U CN 201220081118U CN 202480681 U CN202480681 U CN 202480681U
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Application Number | Priority Date | Filing Date | Title |
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CN2012200811188U CN202480681U (zh) | 2012-03-07 | 2012-03-07 | 一种多功能教学圆规 |
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CN2012200811188U CN202480681U (zh) | 2012-03-07 | 2012-03-07 | 一种多功能教学圆规 |
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CN202480681U true CN202480681U (zh) | 2012-10-10 |
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CN2012200811188U Expired - Fee Related CN202480681U (zh) | 2012-03-07 | 2012-03-07 | 一种多功能教学圆规 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103009885A (zh) * | 2012-12-28 | 2013-04-03 | 重庆大学 | 手摇式无尖点圆规 |
CN107126785A (zh) * | 2017-06-27 | 2017-09-05 | 江苏新科达滤袋有限公司 | 一种可回收除尘滤布袋 |
CN111976346A (zh) * | 2020-07-15 | 2020-11-24 | 乐清市柳市职业技术学校 | 一种机械制图教学尺 |
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2012
- 2012-03-07 CN CN2012200811188U patent/CN202480681U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103009885A (zh) * | 2012-12-28 | 2013-04-03 | 重庆大学 | 手摇式无尖点圆规 |
CN107126785A (zh) * | 2017-06-27 | 2017-09-05 | 江苏新科达滤袋有限公司 | 一种可回收除尘滤布袋 |
CN111976346A (zh) * | 2020-07-15 | 2020-11-24 | 乐清市柳市职业技术学校 | 一种机械制图教学尺 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HEILONGJIANG INSTITUTE OF TECHNOLOGY Free format text: FORMER OWNER: WANG JUNXIANG Effective date: 20140221 |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140221 Address after: 150050 Heilongjiang province Harbin Daowai District, Hongqi Street, No. 999 Patentee after: Heilongjiang Institute of Technology Address before: 150050 School of academic affairs, Heilongjiang Academy of Engineering, 999 Hongqi Avenue, Heilongjiang, Harbin Patentee before: Wang Junxiang |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20160307 |