Three-dimensional puzzle

Details Three-dimensional puzzle Three-dimensional puzzle

2004-11-19

2008-10-28

Wong, Steven (Department: 3711)

Amusement devices: games

Puzzles

Take-aparts and put-togethers

C273S15300J

Reexamination Certificate

active

07441776

ABSTRACT:
A three-dimensional puzzle including a lenticular lens layer having a lens surface and a flat surface. A four color ink is applied to the flat surface and a layer of opaque ink is applied to the four color ink. A white paper backing is adhered to the layer of opaque ink using an emulsion based adhesive having a viscosity of approximately 1,600 mPas at 23° C., and a backer board comprised of four layers of cardboard is applied to the white paper backing. A method of manufacturing the three-dimensional puzzle is also disclosed.

REFERENCES:
patent: 3264164 (1966-08-01), Jerothe et al.
patent: 3692312 (1972-09-01), Meyer
patent: 5672412 (1997-09-01), Phares et al.
patent: 5896230 (1999-04-01), Goggins
patent: 6547243 (2003-04-01), Juenger
patent: 6739270 (2004-05-01), Sewell
patent: 6900944 (2005-05-01), Tomczyk

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