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公开(公告)号:US20190206280A1
公开(公告)日:2019-07-04
申请号:US15900875
申请日:2018-02-21
申请人: Gavin Palmer
发明人: Gavin Palmer
CPC分类号: G09B23/04 , A63H33/046 , A63H33/048 , A63H33/062 , A63H33/067 , A63H33/08 , A63H33/107 , A63H33/14 , G09B1/38 , G09B5/02 , G09B5/12 , G09B5/125 , G09B9/00 , G09B19/0069 , G09B19/02 , G09B19/025
摘要: An educational apparatus is disclosed. The educational apparatus has one or more first sheet members including a first side and a second side, the first side and the second side each having first markings indicating the same first surface area, and one or more first attachment portions disposed along some or substantially all of a perimeter of the one or more first sheet members. The educational apparatus also has one or more second sheet members including a first side and a second side, the first side and the second side each having second markings indicating the same second surface area, and one or more second attachment portions disposed along some or substantially all of a perimeter of the one or more second sheet members.
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公开(公告)号:USD496886S1
公开(公告)日:2004-10-05
申请号:US29172097
申请日:2002-12-06
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公开(公告)号:USD506953S1
公开(公告)日:2005-07-05
申请号:US29172096
申请日:2002-12-06
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公开(公告)号:USD502126S1
公开(公告)日:2005-02-22
申请号:US29172102
申请日:2002-12-06
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公开(公告)号:USD496614S1
公开(公告)日:2004-09-28
申请号:US29172094
申请日:2002-12-06
申请人: Stephen Everitt , Benjamin Wood , Gavin Palmer
设计人: Stephen Everitt , Benjamin Wood , Gavin Palmer
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公开(公告)号:USD496608S1
公开(公告)日:2004-09-28
申请号:US29172124
申请日:2002-12-06
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