CN203168393U - 数学教学用课本放置支撑托架 - Google Patents
数学教学用课本放置支撑托架 Download PDFInfo
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- CN203168393U CN203168393U CN 201320178992 CN201320178992U CN203168393U CN 203168393 U CN203168393 U CN 203168393U CN 201320178992 CN201320178992 CN 201320178992 CN 201320178992 U CN201320178992 U CN 201320178992U CN 203168393 U CN203168393 U CN 203168393U
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CN 201320178992 CN203168393U (zh) | 2013-03-28 | 2013-03-28 | 数学教学用课本放置支撑托架 |
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CN 201320178992 CN203168393U (zh) | 2013-03-28 | 2013-03-28 | 数学教学用课本放置支撑托架 |
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CN203168393U true CN203168393U (zh) | 2013-09-04 |
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CN 201320178992 Expired - Fee Related CN203168393U (zh) | 2013-03-28 | 2013-03-28 | 数学教学用课本放置支撑托架 |
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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: LV HAOYUAN Free format text: FORMER OWNER: WU HAO Effective date: 20140805 |
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C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Lv Haoyuan Inventor before: Wu Hao |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WU HAO TO: LV HAOYUAN |
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TR01 | Transfer of patent right |
Effective date of registration: 20140805 Address after: 271100 class 53, grade 1, grade 13, No.1 middle school, Laiwu, Shandong Patentee after: Lv Haoyuan Address before: 271100 class 52, grade 2, grade 10, No.1 middle school, Laiwu, Shandong Patentee before: Wu Hao |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20140328 |