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Insulated container sleeve with suction base

  • US 6,571,976 B1
  • Filed: 11/15/2000
  • Issued: 06/03/2003
  • Est. Priority Date: 11/15/2000
  • Status: Expired due to Fees
First Claim
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1. A sleeve for holding a container comprising:

  • an enclosed insulating cylindrical wall having a bottom with an opening; and

    a flexible concave base defining an orifice, said flexible concave base connected airtightedly to said bottom of said cylindrical wall, said flexible concave base opening downwardly and below said bottom of said cylindrical wall and adhering by suction onto a surface when the container is inserted to form an airtight fit with said cylindrical wall, and said flexible concave base being pressed downwardly and flattened against the surface, and said cylindrical wall releasing the container without forming a vacuum when said concave base is not against the surface by allowing air through said opening.

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