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US 2008/0173654 A1Published application
No-spill drinking cup apparatus
AssigneeLuv n' care, Ltd.
InventorNouri E. Hakim
Life of this patent
Estimating the term…
Abstract
An improved no-spill cup construction and valve assembly which provides an extremely secure seal against accidental liquid flow from the cup spout. An initially blocked opening in a flexible material moves up along a protruding member until the opening is unblocked, so as to allow fluid flow.
Claims3
An apparatus, comprising:
- a no-spill drinking apparatus, said apparatus comprising an air vent and a valve, said valve comprising a post and a bowl-shaped flexible material, said flexible material comprising an opening, said post extending into said opening, said valve having a closed position and an open position,
- said closed position being a configuration in which liquid is blocked from passage through said opening,
- said open position being a configuration in which liquid can pass through said opening,
- wherein air passes into said apparatus through said air vent and said valve moves from said closed position to said open position upon application of negative pressure to said flexible material;
- and wherein said apparatus comprises a subunit that said flexible material hits upon said application of negative pressure to said flexible material.
2 more elements
Dependencies are inferred from the claim text.