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One material, one piece spill-proof closure

  • US 20020158075A1
  • Filed: 03/25/2002
  • Published: 10/31/2002
  • Est. Priority Date: 03/26/2001
  • Status: Abandoned Application
First Claim
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1. A spill-proof closure for a liquid container, said closure comprising an integral spout comprising a liquid exit valve region which provides a liquid passageway from the container, wherein the liquid exit valve opens upon suction from a user, said closure further comprising a means for attaching the closure to said container, wherein the entire closure comprises a single component and is manufactured in one operation.

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