发明名称 Play mat
摘要 A play mat as an upper surface that comprises at least one pocket adapted such that at least one sheet bearing indicia may be removably positioned therein. When the play mat is in use the indicia are displayed to a user of the play mat. The play mat may have means to record, store and playback sounds. Activation of the playback of sounds may occur by pressing buttons located under the sheets of indicia.
申请公布号 US2014024284(A1) 申请公布日期 2014.01.23
申请号 US201313776025 申请日期 2013.02.25
申请人 KEENAN HELEN 发明人 KEENAN HELEN
分类号 A63H33/00 主分类号 A63H33/00
代理机构 代理人
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