Signal-resistant card deck and device

Amusement devices: games – Card or tile games – cards or tiles therefor – Suits

Patent

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Details

273307, A63F 100

Patent

active

052577880

ABSTRACT:
Disclosed is a deck of rectangular playing cards usually having two substantially parallel long edges and two substantially parallel short edges, substantially all cards in the deck having a front symmetrically designed with respect to both short edges, to minimize cheating by signalling with asymmetric cards. The front is usually designed to be symmetrical with respect to the short axis, and preferably the long axis as well, of each card. Generally, the deck includes at least 52 cards, thirteen in each of the four standard suits, spades, hearts, diamonds, and clubs. Frequently the symmetry is obtained by the use of at least one "double-pip" in the front of the card. A "double-pip" consists of a single pip of a suit having asymmetric pips, the pip placed generally end to end with its mirror image to create a single symmetric rather than asymmetric pip of the suit. Sometimes "reversed pips" are also used. A "reversed pip" is merely a pip placed upside-down on the front rather than right side up.

REFERENCES:
patent: D44430 (1913-07-01), Wilson
patent: D54216 (1919-11-01), Loring
patent: D54217 (1919-11-01), Loring
patent: D81336 (1930-06-01), Joseph
patent: D86131 (1932-02-01), Logan
patent: D90427 (1933-08-01), Steidley
patent: D155268 (1949-09-01), Brzeski
patent: D161293 (1950-12-01), Simoes
patent: D181884 (1958-01-01), Stauff
patent: 1255003 (1918-01-01), Gettemy
patent: 1293183 (1919-02-01), Peckham
patent: 1584180 (1926-05-01), Martin
patent: 2560187 (1951-07-01), Post

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