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US5163846A Expired / Lapsed US ⏱️ 0.0 years remaining

Toy using water reactive paper

Assignee: C J ASSOCIATES Ltd LIBERIA
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Filing: 1990-11-26
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Granted: 1992-11-17
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Expires: 2010-11-26
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Abstract

Abstract A toy has a frame with a display area for receiving a water reactive paper. The paper has a brightly colored substrate covered by a surface layer of silica and resin which becomes transparent when wet and opaque when dry so that the bright color does or does not show through depending upon whether the surface is wet or dry. Thus, the paper appears to have disappearing ink.

Inventors

  • 👤 James S. W. Lee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:53
CPC Classifications
G; G09; G09B; G09B11/00; B; B43; B43L; B43L1/00; B43M; B43M11/00; B43M11/06; B43M11/08

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 89 words
A toy comprising a sheet of water reactive paper, a frame having display area for receiving said sheet of water reactive paper, a well for receiving water, and at least one accessory for wetting the surface of said paper in a selected design, said accessory comprising a water pen having a cylindrical tube terminating in a tip on one end and sealed on the other end, said cylinder holding water, and said tip releasing water in quantities which are appropriate for writing on a surface of said reactive paper.
Claim 2
Dependent Claim 89 words
A toy comprising a sheet of water reactive paper, a frame having display area for receiving said sheet of water reactive paper, a well for receiving water, and at least one accessory for wetting the surface of said paper in a selected design, said accessory comprising a water pen having a cylindrical tube terminating in a tip on one end and sealed on the other end, said cylinder holding water, and said tip releasing water in quantities which are appropriate for writing on a surface of said reactive paper.
Claim 3
Dependent Claim 25 words
The toy of claim 1 and a slot in said frame for inserting said water reactive paper into and removing it from said display area.
Claim 4
Dependent Claim 43 words
The toy of claim 1 wherein said water reactive paper is a colored substrate having a surface which becomes transparent when wet in order to let the color of said substrate be seen and which becomes opaque when dry to cover said color.
Claim 5
Dependent Claim 19 words
The toy of claim 1 wherein said water reactive paper comprises a surface coating that includes silica and resin.
Claim 6
Dependent Claim 23 words
The toy of claim 1 wherein said water reactive paper is a sheet of PVC coated with a combination of silica and resin.
Claim 7
Dependent Claim 21 words
The toy of claim 1 wherein said water reactive paper has characteristics which retains said color when said paper is frozen.
Claim 8
Dependent Claim 147 words
A toy comprising at least one sheet means for reacting to water by displaying a graphic image in a shape and pattern of water applied to the surface thereof, said sheet means comprising a colored substrate and a layer integrally formed over at least a portion of said substrate, said layer being opaque when dry and transparent when wet whereby said color of said substrate shows through said layer only when said layer is wet, a water pen having a cylindrical tube terminating in a tip on one end and sealed on the other end, said cylinder holding water and said tip releasing water in quantities which are appropriate for writing on said layer for selectively wetting said layer in a desired pattern during play with said toy, and retainer means for holding said sheet means during at least part of a play time with said game.
Claim 9
Dependent Claim 147 words
A toy comprising at least one sheet means for reacting to water by displaying a graphic image in a shape and pattern of water applied to the surface thereof, said sheet means comprising a colored substrate and a layer integrally formed over at least a portion of said substrate, said layer being opaque when dry and transparent when wet whereby said color of said substrate shows through said layer only when said layer is wet, a water pen having a cylindrical tube terminating in a tip on one end and sealed on the other end, said cylinder holding water and said tip releasing water in quantities which are appropriate for writing on said layer for selectively wetting said layer in a desired pattern during play with said toy, and retainer means for holding said sheet means during at least part of a play time with said game.
Claim 10
Dependent Claim 126 words
A toy comprising at least one sheet means wherein said sheet is PVC coated with a combination of silica and resin for reacting to water by displaying a graphic image in a shape and pattern of water applied to the surface thereof, said sheet means comprising a colored substrate and a layer integrally formed over at least a portion of said substrate, said layer being opaque when dry and transparent when wet whereby said color of said substrate shows through said layer only when said layer is wet, at least one game piece for selectively wetting said layer in a desired pattern during play with said toy, and retainer means for holding said sheet means during at least part of a play time with said game.
Claim 11
Dependent Claim 126 words
A toy comprising at least one sheet means wherein said sheet is PVC coated with a combination of silica and resin for reacting to water by displaying a graphic image in a shape and pattern of water applied to the surface thereof, said sheet means comprising a colored substrate and a layer integrally formed over at least a portion of said substrate, said layer being opaque when dry and transparent when wet whereby said color of said substrate shows through said layer only when said layer is wet, at least one game piece for selectively wetting said layer in a desired pattern during play with said toy, and retainer means for holding said sheet means during at least part of a play time with said game.

References Cited (Backward Citations)

US3581882A Cited
US3838520A Cited
US4139965A Cited
US4836381A Cited
US4604062A Cited
US4836783A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-11-17 1996-05-18 1996-11-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-11-17 2000-05-18 2000-11-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-11-17 2004-05-18 2004-11-17 $7700.00 Window Closed / Lapsed

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