发明名称 Tethered ball and tube target
摘要 A puzzle that includes a transparent box having a small cup mounted upon its floor and a small bead suspended on a thread from a ceiling of the box, the box being shaken manually by a player in attempting to get the bead into the cup, and in a modified design the cup and the thread being fastened on manually rotatable platforms.
申请公布号 US4339137(A) 申请公布日期 1982.07.13
申请号 US19790021013 申请日期 1979.03.16
申请人 KEMP, KENNETH;SPECTOR, GEORGE 发明人 KEMP, KENNETH;SPECTOR, GEORGE
分类号 A63F7/04;A63F9/08;(IPC1-7):A63B65/00 主分类号 A63F7/04
代理机构 代理人
主权项
地址