发明名称 WRITING READINESS PAPER
摘要 Writing readiness paper for aiding teachers in teaching very young children to print on the proper lines thereof consisting of a sheet of paper having a plurality of series of different colored horizontal parallel lines thereon, each of the series of colored lines comprising an upper green line and a lower red line, the green and red lines being separated by a first writing band, a yellow line dividing the first writing band substantially in half, a second writing band of a width substantially half that of the first writing band for separating each of the series of colored lines, the second writing band being colored so as to visibly distinguish the second writing band from the first writing band.
申请公布号 US3638332(A) 申请公布日期 1972.02.01
申请号 USD3638332 申请日期 1970.03.06
申请人 ANN M. JONES 发明人 ANN M. JONES
分类号 G09B11/04;(IPC1-7):G09B11/04 主分类号 G09B11/04
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