发明名称 Educational toy and amusement device
摘要 A toy which can be used to instruct people and preferably children, on how to grow seeds and care for the same after they germinate as well as a device which can be used as a novelty item, such as a greeting card whose image will change upon the germination of the seed associated therewith.
申请公布号 US4163343(A) 申请公布日期 1979.08.07
申请号 US19780899722 申请日期 1978.04.25
申请人 SCHOENFIELD, CONNIE 发明人 SCHOENFIELD, CONNIE
分类号 A63H3/00;(IPC1-7):A01C1/04 主分类号 A63H3/00
代理机构 代理人
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