Patent
1974-02-20
1976-02-24
Grieb, Wm. H.
G09B 1922
Patent
active
039395774
ABSTRACT:
A practice board for contract bridge games is disclosed wherein one embodiment includes a rectangular sheet and another embodiment includes a circular sheet, each of which have indicia marked thereon and arranged in accordance with a predetermined contract bridge game, the indicia including four sets of first indicia showing the cards of each player's hand and being arranged such that one of the cards of each of the player's hands is eliminated each trick, second indicia showing cards to be played by each player on respective tricks, the first and second indicia being arranged in rows, trick by trick, representing 13 tricks, four sets of third indicia each of which shows bids by the corresponding player at respective rounds of bidding in a row, and two sets of fourth indicia each of which shows the number of tricks won by the corresponding partnership on the preceding tricks; cover member overlying the sheet and being provided with apertures formed therein corresponding to the indicia on the sheet and through which the indicia on each single trick can be seen, the apertures consisting of first, second, third and fourth sets of indicia on the sheet, the sheet being slidably mounted to slide or rotate relative to the cover at the end of each trick.
REFERENCES:
patent: 993680 (1911-05-01), Herbert
patent: 1988587 (1935-01-01), Ellsworth
patent: 2204199 (1940-06-01), Willis
patent: 2300737 (1942-11-01), Willis
patent: 2395088 (1946-02-01), Von Babo
patent: 3797128 (1974-03-01), Amano
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