# US 5,346,258 A · Game ticket confusion patterns > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,346,258 A - Document ID: US5346258A - Status: Granted - Kind: A - Application number: 08/004,157 - Filed: 1993-01-13 - Granted: 1994-09-13 - Earliest claimed: 1992-05-07 - Assignees: Scientific Games, LLC - Inventors: William F. Behm; Stanley Litman; Bradly W. Walton - Web page: https://patentgrep.com/patent/US5346258A ## CPC - A63F 3/0685: {having a message becoming legible after a chemical reaction or physical action has taken place, e.g. applying pressure, heat treatment, spraying with a substance, breaking microcapsules (use of microcapsules for duplicating paper B41M5/165)} - A63F 3/0665: {having a message becoming legible after rubbing-off a coating or removing an adhesive layer (for educational purposes G09B)} - A63F 2250/58: Antifraud or preventing misuse - B41M 3/005: {Colour cards; Painting supports; Latent or hidden images, e.g. for games; Time delayed images} - A63F: CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR - B41M: PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING, (correction of typographical errors B41J; processes for applying transfer pictures or the like B44C1/16; fluid media for correction of typographical errors by coating C09D10/00; printing textiles D06P) ## Abstract Security of game cards such as instant lottery tickets can be improved by locating a confusion pattern below a primer layer on the game cards substrate and by locating another confusion pattern on a release coat above the game card play indica. Game card security can be further enhanced by using confusion pattern ink that bleeds through the game card in response to the application of various solvents. ## Claims ### Claim 1 A game card comprising: a card substrate having an upper surface and a lower surface; a play indicia affixed to said upper surface of said card substrate; a removable elastomeric coating secured to said upper surface of said card substrate over said play indicia; and a removable confusion pattern interposed between said removable coating and said play indicia wherein said removable confusion pattern is removed when said removable coating is removed. ### Claim 2 (depends on 1) The card of claim 1 wherein a release coat is interposed between said play indicia and said removable coating and wherein said removable confusion pattern is located on said release coat. ### Claim 3 (depends on 2) The card of claim 2 wherein said removable confusion pattern is printed on the upper surface of said release coat. ### Claim 4 (depends on 1) The card of claim 1 wherein said removable confusion pattern is printed with an ink that provides substantially the same appearance as said play indicia when the card is candled. ### Claim 5 (depends on 1) The card of claim 1 wherein said removable confusion pattern has substantially the same print characteristics as said play indicia. ### Claim 6 (depends on 1) The card of claim 1 wherein said removable confusion pattern is printed with an ink which is substantially the same color as the ink used to print said play indicia. ### Claim 7 (depends on 1) The card of claim 1 wherein said removable confusion pattern is printed with an ink that provides substantially the same appearance as said play indicia when the card is candled. ### Claim 8 (depends on 1) The card of claim 1 wherein said removable confusion pattern is a uniform opaque coating. ### Claim 9 (depends on 8) The card of claim 8 wherein said removable confusion pattern is printed with an ink which is substantially the same color as the ink used to print said play indicia. ### Claim 10 (depends on 1) The card of claim 1 wherein said removable confusion patterns is printed in an ink having substantially the same bleed characteristics as said play indicia. ### Claim 11 (depends on 1) The card of claim 1 wherein said removable confusion pattern is printed with an ink including visible materials which form a solution or a dispersion with at least one solvent. ### Claim 12 (depends on 11) The card of claim 11 wherein said play indicia are printed with an ink including visible material which form a solution or a dispersion with at least one solvent. ### Claim 13 (depends on 11) The card of claim 11 wherein said visible materials are the same color as said play indicia. ### Claim 14 (depends on 13) The card of claim 13 wherein said solvents include alcohols, ketones, acetate, esters, alaphtics or amine solutions. ### Claim 15 (depends on 11) The card of claim 11 wherein said confusion pattern ink has substantially the same density as said play indicia. ### Claim 16 (depends on 11) The card of claim 11 wherein said play indicia are printed with varying ink densities. ### Claim 17 (depends on 16) The card of claim 16 wherein said confusion pattern is printed with varying ink densities. ### Claim 18 (depends on 16) The card of claim 16 wherein said ink includes a gray or black grind base. ### Claim 19 (depends on 17) The card of claim 17 wherein said ink is substantially the same color as the ink of the play indicia. ### Claim 20 (depends on 1) The card of claim 1 additionally including a permanent confusion pattern interposed between said play indicia and said upper surface of said card substrate. ### Claim 21 (depends on 20) The card of claim 20 wherein said permanent confusion pattern is printed with an ink including visible materials which form a solution or a dispersion with at least one solvent. ### Claim 22 (depends on 21) The card of claim 21 wherein said visible materials are the same color as said play indicia. ### Claim 23 (depends on 22) The card of claim 22 wherein said removable confusion pattern has substantially the same print characteristics as said play indicia. ### Claim 24 (depends on 22) The card of claim 22 wherein said removable confusion pattern is printed with an ink that provides substantially the same appearance as said play indicia when the card is candled. ### Claim 25 (depends on 21) The card of claim 21 wherein said solvents include alcohols, ketones, acetate, esters, alaphtics or amine solutions. ### Claim 26 (depends on 21) The card of claim 21 wherein said ink includes a gray or black grind base. ### Claim 27 (depends on 20) The card of claim 20 additionally including an opaque primer layer interposed between said permanent confusion pattern and said play indicia. ### Claim 28 (depends on 27) The card of claim 27 wherein said permanent confusion pattern is printed on said upper surface of said card substrate. ### Claim 29 (depends on 20) The card of claim 20 wherein said permanent confusion pattern is printed with an ink having substantially the same density as said play indicia. ### Claim 30 (depends on 20) The card of claim 20 wherein said permanent confusion pattern is a uniform opaque coating. ### Claim 31 (depends on 1) The card of claim 1 wherein said removable confusion pattern is printed with an ink having substantially the same density as said play indicia. ### Claim 32 (depends on 31) The card of claim 31 wherein said play indicia are printed with varying ink densities. ### Claim 33 (depends on 32) The card of claim 32 wherein said confusion pattern is printed with varying ink densities. ### Claim 34 A game card comprising: a card substrate having an upper surface and a lower surface; a play indicia affixed to said upper surface of said card substrate; a removable coating secured to said upper surface of said card substrate over said play indicia; a permanent confusion pattern interposed between said play indicia and said upper surface of said card substrate wherein said permanent confusion pattern includes a substantially opaque ink: and a removable confusion pattern interposed between said play indicia and said removable coating wherein said removable confusion pattern is removed when said removable coating is removed. ### Claim 35 (depends on 34) The card of claim 34 wherein said permanent confusion pattern is printed in an ink having substantially the same bleed characteristics as said play indicia. ### Claim 36 (depends on 35) The card of claim 35 wherein said ink includes a gray or black grind base. ### Claim 37 (depends on 34) The card of claim 34 wherein said substantially opaque ink includes visible materials which form a solution or dispersion with one or more solvents. ### Claim 38 (depends on 37) The card of claim 37 wherein said solvents include alcohols, ketones, acetate, esters, alaphtics or amine solutions. ### Claim 39 (depends on 34) The card of claim 34 wherein said permanent confusion pattern is a uniform opaque coating. ### Claim 40 (depends on 34) The card of claim 34 wherein said substantially opaque ink includes visible materials having the same color as said play indicia. ### Claim 41 (depends on 34) The card of claim 34 additionally including a primer material interposed between said permanent confusion pattern and said play indicia. ### Claim 42 (depends on 41) The card of claim 41 wherein said confusion pattern is printed on said upper surface of said card substrate. ### Claim 43 (depends on 42) The card of claim 42 wherein said substantially opaque ink includes visible materials having the same color as said play indicia. ### Claim 44 A game card comprising: a card substrate having an upper surface and a lower surface; a play indicia affixed to said upper surface of said card substrate; a removable coating secured to said upper surface of said card substrate over said play indicia; a permanent confusion pattern interposed between said play indicia and said upper surface of said card substrate wherein said permanent confusion pattern includes a substantially opaque ink; a blocking layer interposed between said play indicia and said permanent confusion pattern: and a removable confusion pattern interposed between said play indicia and said removable coating wherein said removable confusion pattern is removed when said removable coating is removed. ### Claim 45 (depends on 44) The card of claim 44 wherein said permanent confusion pattern is a uniform opaque coating. ### Claim 46 (depends on 44) The card of claim 44 where said substantially opaque ink includes carbon black. ### Claim 47 (depends on 44) The card of claim 44 wherein said substantially opaque ink is the same color as said play indicia. ### Claim 48 (depends on 44) The card of claim 44 further including a primer material interposed between said blocking layer and said play indicia. ### Claim 49 A game card comprising: a card substrate having an upper surface and a lower surface; a play indicia affixed to said upper surface of said card substrate; a removable coating secured to said upper surface of said card substrate over said play indicia: a permanent confusion pattern interposed between said play indicia and said upper surface of said card substrate wherein said permanent confusion pattern is a substantially uniform opaque printed layer: and a removable confusion pattern interposed between said removable coating and said play indicia. ### Claim 50 (depends on 49) The card of claim 49 wherein said removable confusion pattern is a substantially opaque printed layer. ### Claim 51 (depends on 49) The card of claim 49 wherein said permanent confusion pattern includes carbon black. ### Claim 52 A game card comprising: a card substrate having an upper surface and a lower surface; a play indicia affixed to said upper surface of said card substrate; a removable coating secured to said upper surface of said card substrate over said play indicia; a first substantially solid opaque confusion pattern interposed between said upper surface of said card substrate and said play indicia; and a second substantially solid opaque removable confusion pattern interposed between said play indicia and said removable elastomeric coating wherein said removable confusion pattern is removed when said removable coating is removed, wherein said first and second confusion patterns are printed layers.