Unique deck of playing cards
US5887873A · kind A · utility
Inventor
Key dates
| Filing date | Aug 21, 1997 |
| Grant date | Mar 30, 1999 |
| Priority date | — |
| Expiry date | Aug 21, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F1/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A 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).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.