发明名称 |
Pedagogisk formsorteringsleksak |
摘要 |
A sorting device including an open top container with an invertible sorting member mounted thereover. The sorting member includes multiple funnel-shaped passages therethrough each having, at one end, an enlarged opening and at the second truncated end a specifically configured opening of a size to closely receive and pass therethrough only a correspondingly configured block introduced in either direction through the configured opening. |
申请公布号 |
SE510312(C2) |
申请公布日期 |
1999.05.10 |
申请号 |
SE19920000783 |
申请日期 |
1992.03.13 |
申请人 |
DART INDUSTRIES INC |
发明人 |
BRIAN L *AIKEN;PATRICK W *BROWN;HANS R *ESPIG |
分类号 |
A63F9/12;A63F7/06;A63F9/06;A63F9/10;A63H33/00;G09B1/16;G09B1/36;G09B19/00;(IPC1-7):A63F9/08 |
主分类号 |
A63F9/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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