TICKETS FOR GAMES Russian patent published in 1999 - IPC

FIELD: entertaining appliances used in games of lottery type, such as instant game or instant lottery. SUBSTANCE: ticket has unprotected substrate with printed playing signs, opaque material adapted for concealing playing signs and erasable for revealing these signs, layer with masking pattern, which is applied on playing signs so as to be aligned with them. This layer may be eroded. Masking pattern layer is lying under opaque erasable layer so that masking material layer is not seen with naked eye, but it prevents playing signs from being identified by transillumination of ticket with intense light. Substrate may be manufactured from more or less easily available "unstable" materials. EFFECT: increased entertaining effect and simplified construction of ticket. 3 cl, 2 dwg