Invention Grant
US08684223B1 Thermal drinking glass 有权
热饮杯

Thermal drinking glass
Abstract:
A drinking glass has flutes inward from inside walls of an inner sleeve. Outer walls are curved. The flutes and curved outer walls form lenticular surfaces that distort images. The flutes provide precise alignment for multicolor printing on the outer wall of the inner sleeve. An outer sleeve is sealed to a top of the inner sleeve. A space between the sleeve is filled with fluid, sheets and objects.
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