Unique deck of playing cards
Patent 5887873 Issued on March 30, 1999. Estimated Expiration Date: 
August 21, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 21, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 171978 198217 1448441 1632941 Card game Gambling game and apparatus with uneven passive banker Patent #: 5224706 AbstractA deck of cards, tiles, or similar playing pieces, real or simulated on a computer or other device, chiefly characterized by a trilateral organization comprising three independent aspects: suit, value, and color or color group. The plurality of cards representing each element of each aspect comprise approximately equal pluralities of each element of each of the other aspects. Except for auxiliary cards, each card in a single deck represents a unique combination of a single suit, a single color group, and a single value or rank. The preferred form of the invention is a series of related triadic decks of playing cards comprising three suits and three color groups (20R, 20G, 20B), nonsexist or gender-neutral picture cards (22, 24), an improved layout, and indicative card backs (32). The layout improvement typically involves additional set designation markers (16) in the two commonly vacant corners of a card face (FIG. 2A). Backs (32) are uniform for all cards in a deck but different from deck to deck; the use of the elements of the back (26, 28, 30) is sufficient to remind a player of the general configuration of the deck being used (FIGS. 4A to 4D).Other References
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