Google Patents GB2403428A - A progressive gameĭownload PDF Info Publication number GB2403428A GB2403428A GB0414298A GB0414298A GB2403428A GB 2403428 A GB2403428 A GB 2403428A GB 0414298 A GB0414298 A GB 0414298A GB 0414298 A GB0414298 A GB 0414298A GB 2403428 A GB2403428 A GB 2403428A Authority GB United Kingdom Prior art keywords game player progressive game progressive gaming terminal Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.