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Multiple aliquot device for distributing a liquid solution into a well

  • US 5,182,082 A
  • Filed: 01/23/1991
  • Issued: 01/26/1993
  • Est. Priority Date: 01/23/1991
  • Status: Expired due to Term
First Claim
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1. A device for dividing a sample into aliquots without air entrapment and for retention of aliquots therein, comprising:

  • a sample distribution element comprising an upper surface and a lower surface substantially parallel to each other, means for containing and/or guiding said sample associated with said upper surface, and at least one well disposed between said upper and lower surfaces wherein said well comprises an upper mouth opening that forms a substantially sharp junction with said upper surface, a lower mouth opening in said lower surface, a sidewall connecting said upper mouth opening with said lower mouth opening, and a sidewall bottom surface associated with said lower mouth opening;

    and an outer-base element associated with a portion of said sample distribution element comprising a bottom with an inner surface and at least one well bottom raised from said inner surface;

    wherein said sidewall bottom surface of said well of said sample distribution element and said well bottom of said outer-base element are substantially parallel to each other and form a spaced mean stop allow the escape of air.

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