发明名称 BASEBALL TALLY CARD
摘要 (A baseball tally card having a number of indicator tab strips slidably mounted behind a flat, rigid front plate with a number of apertures therein and with indicia for first, second and third base, as well as balls, strikes, outs and hits. The card also has three rotating discs for recording runs and indicating the current inning. The tab strips extend from across the respective apetures to beyond the edge of the card so that they may be grasped by a spectator and pushed or pulled to the desired position relative to the respective aperture. The rotatable discs have a circumferential portion extending beyond the edge of the card so that the disc may be turned by finger movement to place numerals printed thereon in the respective aperture.
申请公布号 US3755939(A) 申请公布日期 1973.09.04
申请号 USD3755939 申请日期 1971.12.06
申请人 DENEGA R,US;FRESKA E,US 发明人 DENEGA R,US;FRESKA E,US
分类号 A63B71/06;(IPC1-7):A63B71/06 主分类号 A63B71/06
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