发明名称 Flush-fitting toy building blocks
摘要 There is provided a toy building set facilitating the construction of integral plane horizontal and stepped surfaces in vertical building structures. The set is formed from a number of elements each having a rectangular cross section along at least a portion of their length wherein the elements each have a width of x, a height of substantially 2x and at least two notches cut into the height of the element along its length. The two notches being positioned adjacent the respective ends of the element and each having a length substantially equal to x and a height of m(x/2) wherein with regard to each individual element, m is the same and equal to 1 or 3 and wherein the length of the elements as measured between the center-lines of the two notches is substantially equal to p times x wherein x is a whole number or fraction thereof and p is a whole number.
申请公布号 US4270304(A) 申请公布日期 1981.06.02
申请号 US19780961667 申请日期 1978.11.17
申请人 SOFER, NANCY C. 发明人 SOFER, NANCY C.
分类号 A63H33/06;A63H33/08;(IPC1-7):A63H33/06 主分类号 A63H33/06
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