Self-righting training cup
AssigneeKiddie Products, Inc.
InventorRichard L. Panicci
Life of this patent
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Abstract
A self-righting training cup comprises a lower hemispherical portion having a flat to define the cup bottom and an upper cylindrical portion tangent with the lower portion, the diameter of the lower portion having a ratio to the effective liquid containing height of the upper portion of at least 4.
Claims9
A self-righting cup having a lower portion and an upper portion, said lower portion having a flat defining the bottom of said cup and a rounded sidewall extending upwardly therefrom, said upper portion having a sidewall which extends upwardly from said rounded sidewall of said lower portion, wherein to assure self-righting of said cup, the ratio of the outer diameter of said cup at the point of intersection of said upper and lower portions to the height of said upper portion is at least 4.
Dependencies are inferred from the claim text.